Initial open-source release
PiperOrigin-RevId: 271685289
diff --git a/src/f32-dwconv-spchw/5x5s2p2-neonfma.c b/src/f32-dwconv-spchw/5x5s2p2-neonfma.c
new file mode 100644
index 0000000..18fb0a2
--- /dev/null
+++ b/src/f32-dwconv-spchw/5x5s2p2-neonfma.c
@@ -0,0 +1,240 @@
+// 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.
+
+#include <assert.h>
+
+#include <arm_neon.h>
+
+#include <xnnpack/dwconv.h>
+#include <xnnpack/math.h>
+
+
+void xnn_f32_dwconv_spchw_ukernel_5x5s2p2__neonfma(
+ size_t m,
+ size_t n,
+ const float* input,
+ const float* weights,
+ float* output,
+ size_t input_tuple_stride,
+ size_t output_tuple_stride,
+ size_t input_width_stride,
+ size_t output_width_stride,
+ const union xnn_f32_spchw_params params[restrict static 1])
+{
+ assert(n != 0);
+
+ const uint32x4_t vmask_even = vld1q_u32(params->neon.mask_even);
+ const uint32x4_t vmask_odd = vld1q_u32(params->neon.mask_odd);
+ const float32x4_t vmax = vld1q_dup_f32(¶ms->neon.max);
+ const float32x4_t vmin = vld1q_dup_f32(¶ms->neon.min);
+
+ const size_t input_width_increment_single = input_width_stride * 2 - input_tuple_stride * ( (n - 1) / 4 + 1);
+ const size_t output_width_increment_single = output_width_stride - (n + 1) / 8 * output_tuple_stride;
+
+ /* No vertical padding */
+ const float* i0 = input;
+ const float* i1 = (const float*) ((uintptr_t) i0 + input_width_stride);
+ const float* i2 = (const float*) ((uintptr_t) i1 + input_width_stride);
+ const float* i3 = (const float*) ((uintptr_t) i2 + input_width_stride);
+ const float* i4 = (const float*) ((uintptr_t) i3 + input_width_stride);
+
+ float* output0 = output;
+
+ const float32x4_t vw0123 = vld1q_f32(weights);
+ const float32x4_t vw4567 = vld1q_f32(weights + 4);
+ const float32x4_t vw89AB = vld1q_f32(weights + 8);
+ const float32x4_t vwCDEF = vld1q_f32(weights + 12);
+ const float32x4_t vwGHIJ = vld1q_f32(weights + 16);
+ const float32x4_t vwKLMN = vld1q_f32(weights + 20);
+ const float32x2_t vwOP = vld1_f32( weights + 24);
+
+ do {
+ float32x4_t vi0x0123 = vmovq_n_f32(0.0f);
+ float32x4_t vi1x0123 = vmovq_n_f32(0.0f);
+ float32x4_t vi2x0123 = vmovq_n_f32(0.0f);
+ float32x4_t vi3x0123 = vmovq_n_f32(0.0f);
+ float32x4_t vi4x0123 = vmovq_n_f32(0.0f);
+ float32x4_t vi0x4567 = vld1q_f32(i0); i0 = (const float*) ((uintptr_t) i0 + input_tuple_stride);
+ float32x4_t vi1x4567 = vld1q_f32(i1); i1 = (const float*) ((uintptr_t) i1 + input_tuple_stride);
+ float32x4_t vi2x4567 = vld1q_f32(i2); i2 = (const float*) ((uintptr_t) i2 + input_tuple_stride);
+ float32x4_t vi3x4567 = vld1q_f32(i3); i3 = (const float*) ((uintptr_t) i3 + input_tuple_stride);
+ float32x4_t vi4x4567 = vld1q_f32(i4); i4 = (const float*) ((uintptr_t) i4 + input_tuple_stride);
+
+ long long k = n;
+ for (; k > 0; k -= 8) {
+ float32x4_t vo468Ap00 = vdupq_laneq_f32(vw0123, 0);
+
+ float32x4_t vi0x89AB;
+ float32x4_t vi1x89AB;
+ float32x4_t vi2x89AB;
+ float32x4_t vi3x89AB;
+ float32x4_t vi4x89AB;
+
+ if XNN_LIKELY(k > 4) {
+ vi0x89AB = vld1q_f32(i0); i0 = (const float*) ((uintptr_t) i0 + input_tuple_stride);
+ vi1x89AB = vld1q_f32(i1); i1 = (const float*) ((uintptr_t) i1 + input_tuple_stride);
+ vi2x89AB = vld1q_f32(i2); i2 = (const float*) ((uintptr_t) i2 + input_tuple_stride);
+ vi3x89AB = vld1q_f32(i3); i3 = (const float*) ((uintptr_t) i3 + input_tuple_stride);
+ vi4x89AB = vld1q_f32(i4); i4 = (const float*) ((uintptr_t) i4 + input_tuple_stride);
+ } else {
+ vi0x89AB = vmovq_n_f32(0.f);
+ vi1x89AB = vmovq_n_f32(0.f);
+ vi2x89AB = vmovq_n_f32(0.f);
+ vi3x89AB = vmovq_n_f32(0.f);
+ vi4x89AB = vmovq_n_f32(0.f);
+ }
+
+ float32x4_t vi0xCDEF;
+ float32x4_t vi1xCDEF;
+ float32x4_t vi2xCDEF;
+ float32x4_t vi3xCDEF;
+ float32x4_t vi4xCDEF;
+
+ if XNN_LIKELY(k > 8) {
+ vi0xCDEF = vld1q_f32(i0); i0 = (const float*) ((uintptr_t) i0 + input_tuple_stride);
+ vi1xCDEF = vld1q_f32(i1); i1 = (const float*) ((uintptr_t) i1 + input_tuple_stride);
+ vi2xCDEF = vld1q_f32(i2); i2 = (const float*) ((uintptr_t) i2 + input_tuple_stride);
+ vi3xCDEF = vld1q_f32(i3); i3 = (const float*) ((uintptr_t) i3 + input_tuple_stride);
+ vi4xCDEF = vld1q_f32(i4); i4 = (const float*) ((uintptr_t) i4 + input_tuple_stride);
+ } else {
+ vi0xCDEF = vmovq_n_f32(0.f);
+ vi1xCDEF = vmovq_n_f32(0.f);
+ vi2xCDEF = vmovq_n_f32(0.f);
+ vi3xCDEF = vmovq_n_f32(0.f);
+ vi4xCDEF = vmovq_n_f32(0.f);
+ }
+ float32x4_t vi0x468A = vuzp1q_f32(vi0x4567, vi0x89AB);
+ float32x4_t vi0x579B = vuzp2q_f32(vi0x4567, vi0x89AB);
+ float32x4_t vi1x468A = vuzp1q_f32(vi1x4567, vi1x89AB);
+ float32x4_t vi1x579B = vuzp2q_f32(vi1x4567, vi1x89AB);
+ float32x4_t vi2x468A = vuzp1q_f32(vi2x4567, vi2x89AB);
+ float32x4_t vi2x579B = vuzp2q_f32(vi2x4567, vi2x89AB);
+ float32x4_t vi3x468A = vuzp1q_f32(vi3x4567, vi3x89AB);
+ float32x4_t vi3x579B = vuzp2q_f32(vi3x4567, vi3x89AB);
+ float32x4_t vi4x468A = vuzp1q_f32(vi4x4567, vi4x89AB);
+ float32x4_t vi4x579B = vuzp2q_f32(vi4x4567, vi4x89AB);
+
+ if XNN_UNLIKELY(k <= 8) {
+ vi0x468A = vreinterpretq_u32_f32(vandq_u32(vmask_even, vreinterpretq_f32_u32(vi0x468A)));
+ vi1x468A = vreinterpretq_u32_f32(vandq_u32(vmask_even, vreinterpretq_f32_u32(vi1x468A)));
+ vi2x468A = vreinterpretq_u32_f32(vandq_u32(vmask_even, vreinterpretq_f32_u32(vi2x468A)));
+ vi3x468A = vreinterpretq_u32_f32(vandq_u32(vmask_even, vreinterpretq_f32_u32(vi3x468A)));
+ vi4x468A = vreinterpretq_u32_f32(vandq_u32(vmask_even, vreinterpretq_f32_u32(vi4x468A)));
+
+ vi0x579B = vreinterpretq_u32_f32(vandq_u32(vmask_odd, vreinterpretq_f32_u32(vi0x579B)));
+ vi1x579B = vreinterpretq_u32_f32(vandq_u32(vmask_odd, vreinterpretq_f32_u32(vi1x579B)));
+ vi2x579B = vreinterpretq_u32_f32(vandq_u32(vmask_odd, vreinterpretq_f32_u32(vi2x579B)));
+ vi3x579B = vreinterpretq_u32_f32(vandq_u32(vmask_odd, vreinterpretq_f32_u32(vi3x579B)));
+ vi4x579B = vreinterpretq_u32_f32(vandq_u32(vmask_odd, vreinterpretq_f32_u32(vi4x579B)));
+ }
+
+ // middle tap
+ vo468Ap00 = vfmaq_laneq_f32(vo468Ap00, vi0x468A, vw0123, 3);
+ float32x4_t vo468Ap01 = vmulq_laneq_f32(vi1x468A, vw89AB, 0);
+ vo468Ap00 = vfmaq_laneq_f32(vo468Ap00, vi2x468A, vwCDEF, 1);
+ vo468Ap01 = vfmaq_laneq_f32(vo468Ap01, vi3x468A, vwGHIJ, 2);
+ vo468Ap00 = vfmaq_laneq_f32(vo468Ap00, vi4x468A, vwKLMN, 3);
+
+ // one left
+ const float32x4_t vi0x3579 = vextq_f32(vi0x0123, vi0x579B, 3);
+ const float32x4_t vi1x3579 = vextq_f32(vi1x0123, vi1x579B, 3);
+ const float32x4_t vi2x3579 = vextq_f32(vi2x0123, vi2x579B, 3);
+ const float32x4_t vi3x3579 = vextq_f32(vi3x0123, vi3x579B, 3);
+ const float32x4_t vi4x3579 = vextq_f32(vi4x0123, vi4x579B, 3);
+
+ vo468Ap00 = vfmaq_laneq_f32(vo468Ap00, vi0x3579, vw0123, 2);
+ vo468Ap01 = vfmaq_laneq_f32(vo468Ap01, vi1x3579, vw4567, 3);
+ vo468Ap00 = vfmaq_laneq_f32(vo468Ap00, vi2x3579, vwCDEF, 0);
+ vo468Ap01 = vfmaq_laneq_f32(vo468Ap01, vi3x3579, vwGHIJ, 1);
+ vo468Ap00 = vfmaq_laneq_f32(vo468Ap00, vi4x3579, vwKLMN, 2);
+
+ // two left
+ // getting the vector to use for the far left tap is annoying
+ // as we can't ext anything we currently have to get it.
+ // To do this, we get a bit ugly. Interpret the float 32x4
+ // vector as int 64x2. Then left shift by 32. Interpret
+ // again as float 32x4. Now the right most bits are what we
+ // want them to be for the following ext.
+ const float32x4_t vi0x0012 = vreinterpretq_f32_u64(vshlq_n_u64(vreinterpretq_u64_f32(vi0x0123), 32));
+ const float32x4_t vi1x0012 = vreinterpretq_f32_u64(vshlq_n_u64(vreinterpretq_u64_f32(vi1x0123), 32));
+ const float32x4_t vi2x0012 = vreinterpretq_f32_u64(vshlq_n_u64(vreinterpretq_u64_f32(vi2x0123), 32));
+ const float32x4_t vi3x0012 = vreinterpretq_f32_u64(vshlq_n_u64(vreinterpretq_u64_f32(vi3x0123), 32));
+ const float32x4_t vi4x0012 = vreinterpretq_f32_u64(vshlq_n_u64(vreinterpretq_u64_f32(vi4x0123), 32));
+
+ const float32x4_t vi0x2468 = vextq_f32(vi0x0012, vi0x468A, 3);
+ const float32x4_t vi1x2468 = vextq_f32(vi1x0012, vi1x468A, 3);
+ const float32x4_t vi2x2468 = vextq_f32(vi2x0012, vi2x468A, 3);
+ const float32x4_t vi3x2468 = vextq_f32(vi3x0012, vi3x468A, 3);
+ const float32x4_t vi4x2468 = vextq_f32(vi4x0012, vi4x468A, 3);
+
+ vo468Ap00 = vfmaq_laneq_f32(vo468Ap00, vi0x2468, vw0123, 1);
+ vo468Ap01 = vfmaq_laneq_f32(vo468Ap01, vi1x2468, vw4567, 2);
+ vo468Ap00 = vfmaq_laneq_f32(vo468Ap00, vi2x2468, vw89AB, 3);
+ vo468Ap01 = vfmaq_laneq_f32(vo468Ap01, vi3x2468, vwGHIJ, 0);
+ vo468Ap00 = vfmaq_laneq_f32(vo468Ap00, vi4x2468, vwKLMN, 1);
+
+ vi0x0123 = vi0x89AB;
+ vi1x0123 = vi1x89AB;
+ vi2x0123 = vi2x89AB;
+ vi3x0123 = vi3x89AB;
+ vi4x0123 = vi4x89AB;
+
+ // one right
+ vo468Ap00 = vfmaq_laneq_f32(vo468Ap00, vi0x579B, vw4567, 0);
+ vo468Ap01 = vfmaq_laneq_f32(vo468Ap01, vi1x579B, vw89AB, 1);
+ vo468Ap00 = vfmaq_laneq_f32(vo468Ap00, vi2x579B, vwCDEF, 2);
+ vo468Ap01 = vfmaq_laneq_f32(vo468Ap01, vi3x579B, vwGHIJ, 3);
+ vo468Ap00 = vfmaq_lane_f32( vo468Ap00, vi4x579B, vwOP, 0);
+
+ // two right
+ const float32x4_t vi0x68AC = vextq_f32(vi0x468A, vi0xCDEF, 1);
+ const float32x4_t vi1x68AC = vextq_f32(vi1x468A, vi1xCDEF, 1);
+ const float32x4_t vi2x68AC = vextq_f32(vi2x468A, vi2xCDEF, 1);
+ const float32x4_t vi3x68AC = vextq_f32(vi3x468A, vi3xCDEF, 1);
+ const float32x4_t vi4x68AC = vextq_f32(vi4x468A, vi4xCDEF, 1);
+
+ vo468Ap00 = vfmaq_laneq_f32(vo468Ap00, vi0x68AC, vw4567, 1);
+ vo468Ap01 = vfmaq_laneq_f32(vo468Ap01, vi1x68AC, vw89AB, 2);
+ vo468Ap00 = vfmaq_laneq_f32(vo468Ap00, vi2x68AC, vwCDEF, 3);
+ vo468Ap01 = vfmaq_laneq_f32(vo468Ap01, vi3x68AC, vwKLMN, 0);
+ vo468Ap00 = vfmaq_lane_f32( vo468Ap00, vi4x68AC, vwOP, 1);
+
+ vi0x4567 = vi0xCDEF;
+ vi1x4567 = vi1xCDEF;
+ vi2x4567 = vi2xCDEF;
+ vi3x4567 = vi3xCDEF;
+ vi4x4567 = vi4xCDEF;
+
+ float32x4_t vo0 = vaddq_f32(vo468Ap00, vo468Ap01);
+
+ vo0 = vmaxq_f32(vo0, vmin);
+ vo0 = vminq_f32(vo0, vmax);
+
+ size_t k_tmp = (k + 1) / 2;
+ if XNN_LIKELY(k_tmp >= 4) {
+ vst1q_f32(output0, vo0);
+ output0 = (float*) ((uintptr_t) output0 + output_tuple_stride);
+ } else {
+ float* output0_lo = output0;
+ float32x2_t vo0_lo = vget_low_f32(vo0);
+ if (k_tmp & 2) {
+ vst1_f32(output0_lo, vo0_lo); output0_lo += 2;
+ vo0_lo = vget_high_f32(vo0);
+ }
+ if (k_tmp & 1) {
+ vst1_lane_f32(output0_lo, vo0_lo, 0);
+ }
+ }
+ }
+
+ i0 = (const float*) ((uintptr_t) i0 + input_width_increment_single);
+ i1 = (const float*) ((uintptr_t) i1 + input_width_increment_single);
+ i2 = (const float*) ((uintptr_t) i2 + input_width_increment_single);
+ i3 = (const float*) ((uintptr_t) i3 + input_width_increment_single);
+ i4 = (const float*) ((uintptr_t) i4 + input_width_increment_single);
+ output0 = (float*) ((uintptr_t) output0 + output_width_increment_single);
+ m -= 1;
+ } while (m > 0);
+}