Support QC8 GEMM microkernels

- Minimal set of 8-bit fixed-point microkernels with per-channel quantization
(QC8) optimized for AVX2.
- Extend packing functions to allow extra space after the kernel data.
Per-channel quantization parameters are later packed into that space.
- Extend GemmMicrokernelTester to support unit testing of QC8 GEMM.

PiperOrigin-RevId: 377191090
diff --git a/test/qc8-gemm-minmax-fp32.cc b/test/qc8-gemm-minmax-fp32.cc
new file mode 100644
index 0000000..f28dbe7
--- /dev/null
+++ b/test/qc8-gemm-minmax-fp32.cc
@@ -0,0 +1,2749 @@
+// Copyright (c) Facebook, Inc. and its affiliates.
+// All rights reserved.
+//
+// Copyright 2019 Google LLC
+//
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree.
+//
+// Auto-generated file. Do not edit!
+//   Specification: test/qc8-gemm-minmax-fp32.yaml
+//   Generator: tools/generate-gemm-test.py
+
+
+#include <gtest/gtest.h>
+
+#include <xnnpack/common.h>
+#include <xnnpack/isa-checks.h>
+
+#include <xnnpack/gemm.h>
+#include <xnnpack/igemm.h>
+#include <xnnpack/ppmm.h>
+#include "gemm-microkernel-tester.h"
+
+
+#if XNN_ARCH_X86 || XNN_ARCH_X86_64
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, k_eq_8) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .mr(1)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(1)
+      .n(8)
+      .k(8)
+      .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, strided_cn) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .mr(1)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(1)
+      .n(8)
+      .k(8)
+      .cn_stride(11)
+      .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, k_eq_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .mr(1)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(1)
+      .n(8)
+      .k(8)
+      .a_stride(11)
+      .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, k_eq_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t m = 1; m <= 1; m++) {
+      for (uint32_t n = 1; n <= 8; n++) {
+        GemmMicrokernelTester()
+          .mr(1)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(m)
+          .n(n)
+          .k(8)
+          .iterations(1)
+          .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, k_eq_8_subtile_m) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t m = 1; m <= 1; m++) {
+      GemmMicrokernelTester()
+        .mr(1)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(m)
+        .n(8)
+        .k(8)
+        .iterations(1)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, k_eq_8_subtile_n) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 1; n <= 8; n++) {
+      GemmMicrokernelTester()
+        .mr(1)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(1)
+        .n(n)
+        .k(8)
+        .iterations(1)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, k_lt_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k < 8; k++) {
+      GemmMicrokernelTester()
+        .mr(1)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(1)
+        .n(8)
+        .k(k)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, k_lt_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k < 8; k++) {
+      GemmMicrokernelTester()
+        .mr(1)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(1)
+        .n(8)
+        .k(k)
+        .a_stride(11)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, k_lt_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k < 8; k++) {
+      for (uint32_t m = 1; m <= 1; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .mr(1)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, k_gt_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 9; k < 16; k++) {
+      GemmMicrokernelTester()
+        .mr(1)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(1)
+        .n(8)
+        .k(k)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, k_gt_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 9; k < 16; k++) {
+      GemmMicrokernelTester()
+        .mr(1)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(1)
+        .n(8)
+        .k(k)
+        .a_stride(19)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, k_gt_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 9; k < 16; k++) {
+      for (uint32_t m = 1; m <= 1; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .mr(1)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, k_div_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 16; k <= 80; k += 8) {
+      GemmMicrokernelTester()
+        .mr(1)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(1)
+        .n(8)
+        .k(k)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, k_div_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 16; k <= 80; k += 8) {
+      GemmMicrokernelTester()
+        .mr(1)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(1)
+        .n(8)
+        .k(k)
+        .a_stride(83)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, k_div_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 16; k <= 80; k += 8) {
+      for (uint32_t m = 1; m <= 1; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .mr(1)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, n_gt_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .mr(1)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(1)
+          .n(8)
+          .k(k)
+          .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, n_gt_8_strided_cn) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .mr(1)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(1)
+          .n(8)
+          .k(k)
+          .cn_stride(11)
+          .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, n_gt_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .mr(1)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(1)
+          .n(n)
+          .k(k)
+          .a_stride(43)
+          .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, n_gt_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        for (uint32_t m = 1; m <= 1; m++) {
+          GemmMicrokernelTester()
+            .mr(1)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, n_div_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .mr(1)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(1)
+          .n(8)
+          .k(k)
+          .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, n_div_8_strided_cn) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .mr(1)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(1)
+          .n(n)
+          .k(k)
+          .cn_stride(11)
+          .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, n_div_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .mr(1)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(1)
+          .n(n)
+          .k(k)
+          .a_stride(43)
+          .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, n_div_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        for (uint32_t m = 1; m <= 1; m++) {
+          GemmMicrokernelTester()
+            .mr(1)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, strided_cm_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k <= 40; k += 9) {
+      for (uint32_t m = 1; m <= 1; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .mr(1)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .cm_stride(11)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, qmin) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .mr(1)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(1)
+      .n(8)
+      .k(8)
+      .qmin(128)
+      .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, qmax) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .mr(1)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(1)
+      .n(8)
+      .k(8)
+      .qmax(128)
+      .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_1X8C8__AVX2, strided_cm) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .mr(1)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(1)
+      .n(8)
+      .k(8)
+      .cm_stride(11)
+      .Test(xnn_qc8_gemm_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+#endif  // XNN_ARCH_X86 || XNN_ARCH_X86_64
+
+
+#if XNN_ARCH_X86 || XNN_ARCH_X86_64
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, k_eq_8) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .mr(2)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(2)
+      .n(8)
+      .k(8)
+      .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, strided_cn) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .mr(2)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(2)
+      .n(8)
+      .k(8)
+      .cn_stride(11)
+      .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, k_eq_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .mr(2)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(2)
+      .n(8)
+      .k(8)
+      .a_stride(11)
+      .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, k_eq_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t m = 1; m <= 2; m++) {
+      for (uint32_t n = 1; n <= 8; n++) {
+        GemmMicrokernelTester()
+          .mr(2)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(m)
+          .n(n)
+          .k(8)
+          .iterations(1)
+          .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, k_eq_8_subtile_m) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t m = 1; m <= 2; m++) {
+      GemmMicrokernelTester()
+        .mr(2)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(m)
+        .n(8)
+        .k(8)
+        .iterations(1)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, k_eq_8_subtile_n) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 1; n <= 8; n++) {
+      GemmMicrokernelTester()
+        .mr(2)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(2)
+        .n(n)
+        .k(8)
+        .iterations(1)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, k_lt_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k < 8; k++) {
+      GemmMicrokernelTester()
+        .mr(2)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(2)
+        .n(8)
+        .k(k)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, k_lt_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k < 8; k++) {
+      GemmMicrokernelTester()
+        .mr(2)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(2)
+        .n(8)
+        .k(k)
+        .a_stride(11)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, k_lt_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k < 8; k++) {
+      for (uint32_t m = 1; m <= 2; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .mr(2)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, k_gt_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 9; k < 16; k++) {
+      GemmMicrokernelTester()
+        .mr(2)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(2)
+        .n(8)
+        .k(k)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, k_gt_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 9; k < 16; k++) {
+      GemmMicrokernelTester()
+        .mr(2)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(2)
+        .n(8)
+        .k(k)
+        .a_stride(19)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, k_gt_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 9; k < 16; k++) {
+      for (uint32_t m = 1; m <= 2; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .mr(2)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, k_div_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 16; k <= 80; k += 8) {
+      GemmMicrokernelTester()
+        .mr(2)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(2)
+        .n(8)
+        .k(k)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, k_div_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 16; k <= 80; k += 8) {
+      GemmMicrokernelTester()
+        .mr(2)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(2)
+        .n(8)
+        .k(k)
+        .a_stride(83)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, k_div_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 16; k <= 80; k += 8) {
+      for (uint32_t m = 1; m <= 2; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .mr(2)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, n_gt_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .mr(2)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(2)
+          .n(8)
+          .k(k)
+          .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, n_gt_8_strided_cn) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .mr(2)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(2)
+          .n(8)
+          .k(k)
+          .cn_stride(11)
+          .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, n_gt_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .mr(2)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(2)
+          .n(n)
+          .k(k)
+          .a_stride(43)
+          .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, n_gt_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        for (uint32_t m = 1; m <= 2; m++) {
+          GemmMicrokernelTester()
+            .mr(2)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, n_div_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .mr(2)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(2)
+          .n(8)
+          .k(k)
+          .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, n_div_8_strided_cn) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .mr(2)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(2)
+          .n(n)
+          .k(k)
+          .cn_stride(11)
+          .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, n_div_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .mr(2)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(2)
+          .n(n)
+          .k(k)
+          .a_stride(43)
+          .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, n_div_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        for (uint32_t m = 1; m <= 2; m++) {
+          GemmMicrokernelTester()
+            .mr(2)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, strided_cm_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k <= 40; k += 9) {
+      for (uint32_t m = 1; m <= 2; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .mr(2)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .cm_stride(11)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, qmin) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .mr(2)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(2)
+      .n(8)
+      .k(8)
+      .qmin(128)
+      .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, qmax) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .mr(2)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(2)
+      .n(8)
+      .k(8)
+      .qmax(128)
+      .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_2X8C8__AVX2, strided_cm) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .mr(2)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(2)
+      .n(8)
+      .k(8)
+      .cm_stride(11)
+      .Test(xnn_qc8_gemm_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+#endif  // XNN_ARCH_X86 || XNN_ARCH_X86_64
+
+
+#if XNN_ARCH_X86 || XNN_ARCH_X86_64
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, k_eq_8) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .mr(3)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(3)
+      .n(8)
+      .k(8)
+      .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, strided_cn) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .mr(3)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(3)
+      .n(8)
+      .k(8)
+      .cn_stride(11)
+      .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, k_eq_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .mr(3)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(3)
+      .n(8)
+      .k(8)
+      .a_stride(11)
+      .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, k_eq_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t m = 1; m <= 3; m++) {
+      for (uint32_t n = 1; n <= 8; n++) {
+        GemmMicrokernelTester()
+          .mr(3)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(m)
+          .n(n)
+          .k(8)
+          .iterations(1)
+          .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, k_eq_8_subtile_m) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t m = 1; m <= 3; m++) {
+      GemmMicrokernelTester()
+        .mr(3)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(m)
+        .n(8)
+        .k(8)
+        .iterations(1)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, k_eq_8_subtile_n) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 1; n <= 8; n++) {
+      GemmMicrokernelTester()
+        .mr(3)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(3)
+        .n(n)
+        .k(8)
+        .iterations(1)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, k_lt_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k < 8; k++) {
+      GemmMicrokernelTester()
+        .mr(3)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(3)
+        .n(8)
+        .k(k)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, k_lt_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k < 8; k++) {
+      GemmMicrokernelTester()
+        .mr(3)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(3)
+        .n(8)
+        .k(k)
+        .a_stride(11)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, k_lt_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k < 8; k++) {
+      for (uint32_t m = 1; m <= 3; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .mr(3)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, k_gt_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 9; k < 16; k++) {
+      GemmMicrokernelTester()
+        .mr(3)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(3)
+        .n(8)
+        .k(k)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, k_gt_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 9; k < 16; k++) {
+      GemmMicrokernelTester()
+        .mr(3)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(3)
+        .n(8)
+        .k(k)
+        .a_stride(19)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, k_gt_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 9; k < 16; k++) {
+      for (uint32_t m = 1; m <= 3; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .mr(3)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, k_div_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 16; k <= 80; k += 8) {
+      GemmMicrokernelTester()
+        .mr(3)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(3)
+        .n(8)
+        .k(k)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, k_div_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 16; k <= 80; k += 8) {
+      GemmMicrokernelTester()
+        .mr(3)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(3)
+        .n(8)
+        .k(k)
+        .a_stride(83)
+        .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, k_div_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 16; k <= 80; k += 8) {
+      for (uint32_t m = 1; m <= 3; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .mr(3)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, n_gt_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .mr(3)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(3)
+          .n(8)
+          .k(k)
+          .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, n_gt_8_strided_cn) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .mr(3)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(3)
+          .n(8)
+          .k(k)
+          .cn_stride(11)
+          .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, n_gt_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .mr(3)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(3)
+          .n(n)
+          .k(k)
+          .a_stride(43)
+          .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, n_gt_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        for (uint32_t m = 1; m <= 3; m++) {
+          GemmMicrokernelTester()
+            .mr(3)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, n_div_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .mr(3)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(3)
+          .n(8)
+          .k(k)
+          .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, n_div_8_strided_cn) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .mr(3)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(3)
+          .n(n)
+          .k(k)
+          .cn_stride(11)
+          .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, n_div_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .mr(3)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(3)
+          .n(n)
+          .k(k)
+          .a_stride(43)
+          .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, n_div_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        for (uint32_t m = 1; m <= 3; m++) {
+          GemmMicrokernelTester()
+            .mr(3)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, strided_cm_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k <= 40; k += 9) {
+      for (uint32_t m = 1; m <= 3; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .mr(3)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .cm_stride(11)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, qmin) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .mr(3)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(3)
+      .n(8)
+      .k(8)
+      .qmin(128)
+      .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, qmax) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .mr(3)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(3)
+      .n(8)
+      .k(8)
+      .qmax(128)
+      .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_MINMAX_FP32_3X8C8__AVX2, strided_cm) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .mr(3)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(3)
+      .n(8)
+      .k(8)
+      .cm_stride(11)
+      .Test(xnn_qc8_gemm_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+#endif  // XNN_ARCH_X86 || XNN_ARCH_X86_64
+
+
+#if XNN_ARCH_X86 || XNN_ARCH_X86_64
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, k_eq_8) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .extended_weights(true)
+      .mr(1)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(1)
+      .n(8)
+      .k(8)
+      .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, strided_cn) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .extended_weights(true)
+      .mr(1)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(1)
+      .n(8)
+      .k(8)
+      .cn_stride(11)
+      .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, k_eq_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .extended_weights(true)
+      .mr(1)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(1)
+      .n(8)
+      .k(8)
+      .a_stride(11)
+      .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, k_eq_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t m = 1; m <= 1; m++) {
+      for (uint32_t n = 1; n <= 8; n++) {
+        GemmMicrokernelTester()
+          .extended_weights(true)
+          .mr(1)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(m)
+          .n(n)
+          .k(8)
+          .iterations(1)
+          .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, k_eq_8_subtile_m) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t m = 1; m <= 1; m++) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(1)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(m)
+        .n(8)
+        .k(8)
+        .iterations(1)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, k_eq_8_subtile_n) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 1; n <= 8; n++) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(1)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(1)
+        .n(n)
+        .k(8)
+        .iterations(1)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, k_lt_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k < 8; k++) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(1)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(1)
+        .n(8)
+        .k(k)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, k_lt_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k < 8; k++) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(1)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(1)
+        .n(8)
+        .k(k)
+        .a_stride(11)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, k_lt_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k < 8; k++) {
+      for (uint32_t m = 1; m <= 1; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .extended_weights(true)
+            .mr(1)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, k_gt_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 9; k < 16; k++) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(1)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(1)
+        .n(8)
+        .k(k)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, k_gt_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 9; k < 16; k++) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(1)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(1)
+        .n(8)
+        .k(k)
+        .a_stride(19)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, k_gt_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 9; k < 16; k++) {
+      for (uint32_t m = 1; m <= 1; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .extended_weights(true)
+            .mr(1)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, k_div_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 16; k <= 80; k += 8) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(1)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(1)
+        .n(8)
+        .k(k)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, k_div_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 16; k <= 80; k += 8) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(1)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(1)
+        .n(8)
+        .k(k)
+        .a_stride(83)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, k_div_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 16; k <= 80; k += 8) {
+      for (uint32_t m = 1; m <= 1; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .extended_weights(true)
+            .mr(1)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, n_gt_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .extended_weights(true)
+          .mr(1)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(1)
+          .n(8)
+          .k(k)
+          .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, n_gt_8_strided_cn) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .extended_weights(true)
+          .mr(1)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(1)
+          .n(8)
+          .k(k)
+          .cn_stride(11)
+          .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, n_gt_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .extended_weights(true)
+          .mr(1)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(1)
+          .n(n)
+          .k(k)
+          .a_stride(43)
+          .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, n_gt_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        for (uint32_t m = 1; m <= 1; m++) {
+          GemmMicrokernelTester()
+            .extended_weights(true)
+            .mr(1)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, n_div_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .extended_weights(true)
+          .mr(1)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(1)
+          .n(8)
+          .k(k)
+          .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, n_div_8_strided_cn) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .extended_weights(true)
+          .mr(1)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(1)
+          .n(n)
+          .k(k)
+          .cn_stride(11)
+          .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, n_div_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .extended_weights(true)
+          .mr(1)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(1)
+          .n(n)
+          .k(k)
+          .a_stride(43)
+          .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, n_div_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        for (uint32_t m = 1; m <= 1; m++) {
+          GemmMicrokernelTester()
+            .extended_weights(true)
+            .mr(1)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, strided_cm_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k <= 40; k += 9) {
+      for (uint32_t m = 1; m <= 1; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .extended_weights(true)
+            .mr(1)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .cm_stride(11)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_1X8C8__AVX2, strided_cm) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .extended_weights(true)
+      .mr(1)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(1)
+      .n(8)
+      .k(8)
+      .cm_stride(11)
+      .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_1x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+#endif  // XNN_ARCH_X86 || XNN_ARCH_X86_64
+
+
+#if XNN_ARCH_X86 || XNN_ARCH_X86_64
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, k_eq_8) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .extended_weights(true)
+      .mr(2)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(2)
+      .n(8)
+      .k(8)
+      .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, strided_cn) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .extended_weights(true)
+      .mr(2)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(2)
+      .n(8)
+      .k(8)
+      .cn_stride(11)
+      .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, k_eq_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .extended_weights(true)
+      .mr(2)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(2)
+      .n(8)
+      .k(8)
+      .a_stride(11)
+      .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, k_eq_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t m = 1; m <= 2; m++) {
+      for (uint32_t n = 1; n <= 8; n++) {
+        GemmMicrokernelTester()
+          .extended_weights(true)
+          .mr(2)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(m)
+          .n(n)
+          .k(8)
+          .iterations(1)
+          .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, k_eq_8_subtile_m) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t m = 1; m <= 2; m++) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(2)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(m)
+        .n(8)
+        .k(8)
+        .iterations(1)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, k_eq_8_subtile_n) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 1; n <= 8; n++) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(2)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(2)
+        .n(n)
+        .k(8)
+        .iterations(1)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, k_lt_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k < 8; k++) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(2)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(2)
+        .n(8)
+        .k(k)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, k_lt_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k < 8; k++) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(2)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(2)
+        .n(8)
+        .k(k)
+        .a_stride(11)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, k_lt_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k < 8; k++) {
+      for (uint32_t m = 1; m <= 2; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .extended_weights(true)
+            .mr(2)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, k_gt_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 9; k < 16; k++) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(2)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(2)
+        .n(8)
+        .k(k)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, k_gt_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 9; k < 16; k++) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(2)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(2)
+        .n(8)
+        .k(k)
+        .a_stride(19)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, k_gt_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 9; k < 16; k++) {
+      for (uint32_t m = 1; m <= 2; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .extended_weights(true)
+            .mr(2)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, k_div_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 16; k <= 80; k += 8) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(2)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(2)
+        .n(8)
+        .k(k)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, k_div_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 16; k <= 80; k += 8) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(2)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(2)
+        .n(8)
+        .k(k)
+        .a_stride(83)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, k_div_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 16; k <= 80; k += 8) {
+      for (uint32_t m = 1; m <= 2; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .extended_weights(true)
+            .mr(2)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, n_gt_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .extended_weights(true)
+          .mr(2)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(2)
+          .n(8)
+          .k(k)
+          .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, n_gt_8_strided_cn) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .extended_weights(true)
+          .mr(2)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(2)
+          .n(8)
+          .k(k)
+          .cn_stride(11)
+          .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, n_gt_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .extended_weights(true)
+          .mr(2)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(2)
+          .n(n)
+          .k(k)
+          .a_stride(43)
+          .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, n_gt_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        for (uint32_t m = 1; m <= 2; m++) {
+          GemmMicrokernelTester()
+            .extended_weights(true)
+            .mr(2)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, n_div_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .extended_weights(true)
+          .mr(2)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(2)
+          .n(8)
+          .k(k)
+          .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, n_div_8_strided_cn) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .extended_weights(true)
+          .mr(2)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(2)
+          .n(n)
+          .k(k)
+          .cn_stride(11)
+          .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, n_div_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .extended_weights(true)
+          .mr(2)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(2)
+          .n(n)
+          .k(k)
+          .a_stride(43)
+          .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, n_div_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        for (uint32_t m = 1; m <= 2; m++) {
+          GemmMicrokernelTester()
+            .extended_weights(true)
+            .mr(2)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, strided_cm_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k <= 40; k += 9) {
+      for (uint32_t m = 1; m <= 2; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .extended_weights(true)
+            .mr(2)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .cm_stride(11)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_2X8C8__AVX2, strided_cm) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .extended_weights(true)
+      .mr(2)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(2)
+      .n(8)
+      .k(8)
+      .cm_stride(11)
+      .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_2x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+#endif  // XNN_ARCH_X86 || XNN_ARCH_X86_64
+
+
+#if XNN_ARCH_X86 || XNN_ARCH_X86_64
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, k_eq_8) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .extended_weights(true)
+      .mr(3)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(3)
+      .n(8)
+      .k(8)
+      .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, strided_cn) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .extended_weights(true)
+      .mr(3)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(3)
+      .n(8)
+      .k(8)
+      .cn_stride(11)
+      .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, k_eq_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .extended_weights(true)
+      .mr(3)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(3)
+      .n(8)
+      .k(8)
+      .a_stride(11)
+      .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, k_eq_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t m = 1; m <= 3; m++) {
+      for (uint32_t n = 1; n <= 8; n++) {
+        GemmMicrokernelTester()
+          .extended_weights(true)
+          .mr(3)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(m)
+          .n(n)
+          .k(8)
+          .iterations(1)
+          .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, k_eq_8_subtile_m) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t m = 1; m <= 3; m++) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(3)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(m)
+        .n(8)
+        .k(8)
+        .iterations(1)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, k_eq_8_subtile_n) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 1; n <= 8; n++) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(3)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(3)
+        .n(n)
+        .k(8)
+        .iterations(1)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, k_lt_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k < 8; k++) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(3)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(3)
+        .n(8)
+        .k(k)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, k_lt_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k < 8; k++) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(3)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(3)
+        .n(8)
+        .k(k)
+        .a_stride(11)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, k_lt_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k < 8; k++) {
+      for (uint32_t m = 1; m <= 3; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .extended_weights(true)
+            .mr(3)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, k_gt_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 9; k < 16; k++) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(3)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(3)
+        .n(8)
+        .k(k)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, k_gt_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 9; k < 16; k++) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(3)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(3)
+        .n(8)
+        .k(k)
+        .a_stride(19)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, k_gt_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 9; k < 16; k++) {
+      for (uint32_t m = 1; m <= 3; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .extended_weights(true)
+            .mr(3)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, k_div_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 16; k <= 80; k += 8) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(3)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(3)
+        .n(8)
+        .k(k)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, k_div_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 16; k <= 80; k += 8) {
+      GemmMicrokernelTester()
+        .extended_weights(true)
+        .mr(3)
+        .nr(8)
+        .kr(8)
+        .sr(1)
+        .m(3)
+        .n(8)
+        .k(k)
+        .a_stride(83)
+        .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, k_div_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 16; k <= 80; k += 8) {
+      for (uint32_t m = 1; m <= 3; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .extended_weights(true)
+            .mr(3)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, n_gt_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .extended_weights(true)
+          .mr(3)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(3)
+          .n(8)
+          .k(k)
+          .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, n_gt_8_strided_cn) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .extended_weights(true)
+          .mr(3)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(3)
+          .n(8)
+          .k(k)
+          .cn_stride(11)
+          .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, n_gt_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .extended_weights(true)
+          .mr(3)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(3)
+          .n(n)
+          .k(k)
+          .a_stride(43)
+          .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, n_gt_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 9; n < 16; n++) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        for (uint32_t m = 1; m <= 3; m++) {
+          GemmMicrokernelTester()
+            .extended_weights(true)
+            .mr(3)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, n_div_8) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .extended_weights(true)
+          .mr(3)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(3)
+          .n(8)
+          .k(k)
+          .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, n_div_8_strided_cn) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .extended_weights(true)
+          .mr(3)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(3)
+          .n(n)
+          .k(k)
+          .cn_stride(11)
+          .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, n_div_8_strided_a) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        GemmMicrokernelTester()
+          .extended_weights(true)
+          .mr(3)
+          .nr(8)
+          .kr(8)
+          .sr(1)
+          .m(3)
+          .n(n)
+          .k(k)
+          .a_stride(43)
+          .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, n_div_8_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (uint32_t n = 16; n <= 24; n += 8) {
+      for (size_t k = 1; k <= 40; k += 9) {
+        for (uint32_t m = 1; m <= 3; m++) {
+          GemmMicrokernelTester()
+            .extended_weights(true)
+            .mr(3)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, strided_cm_subtile) {
+    TEST_REQUIRES_X86_AVX2;
+    for (size_t k = 1; k <= 40; k += 9) {
+      for (uint32_t m = 1; m <= 3; m++) {
+        for (uint32_t n = 1; n <= 8; n++) {
+          GemmMicrokernelTester()
+            .extended_weights(true)
+            .mr(3)
+            .nr(8)
+            .kr(8)
+            .sr(1)
+            .m(m)
+            .n(n)
+            .k(k)
+            .cm_stride(11)
+            .iterations(1)
+            .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+        }
+      }
+    }
+  }
+
+  TEST(QC8_GEMM_XW_MINMAX_FP32_3X8C8__AVX2, strided_cm) {
+    TEST_REQUIRES_X86_AVX2;
+    GemmMicrokernelTester()
+      .extended_weights(true)
+      .mr(3)
+      .nr(8)
+      .kr(8)
+      .sr(1)
+      .m(3)
+      .n(8)
+      .k(8)
+      .cm_stride(11)
+      .Test(xnn_qc8_gemm_xw_minmax_fp32_ukernel_3x8c8__avx2, xnn_init_qs8_minmax_avx2_params, xnn_init_qs8_requantization_fp32_params, xnn_qs8_requantize_fp32);
+  }
+#endif  // XNN_ARCH_X86 || XNN_ARCH_X86_64