| // Auto-generated file. Do not edit! |
| // Template: src/qs8-gemm/scalar.c.in |
| // Generator: tools/xngen |
| // |
| // Copyright 2021 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 <fp16.h> |
| |
| #include <xnnpack/math.h> |
| #include <xnnpack/gemm.h> |
| |
| |
| void xnn_qc8_gemm_minmax_fp32_ukernel_4x4__scalar_magic( |
| size_t mr, |
| size_t nc, |
| size_t kc, |
| const int8_t* restrict a, |
| size_t a_stride, |
| const void* restrict w, |
| int8_t* restrict c, |
| size_t cm_stride, |
| size_t cn_stride, |
| const union xnn_qs8_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) |
| { |
| assert(mr != 0); |
| assert(mr <= 4); |
| assert(nc != 0); |
| assert(kc != 0); |
| |
| const int8_t* a0 = a; |
| int8_t* c0 = c; |
| const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride); |
| int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride); |
| if XNN_UNPREDICTABLE(mr < 2) { |
| a1 = a0; |
| c1 = c0; |
| } |
| const int8_t* a2 = (const int8_t*) ((uintptr_t) a1 + a_stride); |
| int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride); |
| if XNN_UNPREDICTABLE(mr <= 2) { |
| a2 = a1; |
| c2 = c1; |
| } |
| const int8_t* a3 = (const int8_t*) ((uintptr_t) a2 + a_stride); |
| int8_t* c3 = (int8_t*) ((uintptr_t) c2 + cm_stride); |
| if XNN_UNPREDICTABLE(mr != 4) { |
| a3 = a2; |
| c3 = c2; |
| } |
| |
| do { |
| int32_t vacc0x0 = ((const int32_t*) w)[0]; |
| int32_t vacc0x1 = ((const int32_t*) w)[1]; |
| int32_t vacc0x2 = ((const int32_t*) w)[2]; |
| int32_t vacc0x3 = ((const int32_t*) w)[3]; |
| int32_t vacc1x0 = vacc0x0; |
| int32_t vacc1x1 = vacc0x1; |
| int32_t vacc1x2 = vacc0x2; |
| int32_t vacc1x3 = vacc0x3; |
| int32_t vacc2x0 = vacc0x0; |
| int32_t vacc2x1 = vacc0x1; |
| int32_t vacc2x2 = vacc0x2; |
| int32_t vacc2x3 = vacc0x3; |
| int32_t vacc3x0 = vacc0x0; |
| int32_t vacc3x1 = vacc0x1; |
| int32_t vacc3x2 = vacc0x2; |
| int32_t vacc3x3 = vacc0x3; |
| w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t)); |
| |
| size_t k = kc; |
| do { |
| const int32_t va0 = (int32_t) *a0++; |
| const int32_t va1 = (int32_t) *a1++; |
| const int32_t va2 = (int32_t) *a2++; |
| const int32_t va3 = (int32_t) *a3++; |
| |
| const int32_t vb0 = ((const int8_t*) w)[0]; |
| const int32_t vb1 = ((const int8_t*) w)[1]; |
| const int32_t vb2 = ((const int8_t*) w)[2]; |
| const int32_t vb3 = ((const int8_t*) w)[3]; |
| w = (const void*) ((uintptr_t) w + 4 * sizeof(int8_t)); |
| |
| vacc0x0 += va0 * vb0; |
| vacc0x1 += va0 * vb1; |
| vacc0x2 += va0 * vb2; |
| vacc0x3 += va0 * vb3; |
| vacc1x0 += va1 * vb0; |
| vacc1x1 += va1 * vb1; |
| vacc1x2 += va1 * vb2; |
| vacc1x3 += va1 * vb3; |
| vacc2x0 += va2 * vb0; |
| vacc2x1 += va2 * vb1; |
| vacc2x2 += va2 * vb2; |
| vacc2x3 += va2 * vb3; |
| vacc3x0 += va3 * vb0; |
| vacc3x1 += va3 * vb1; |
| vacc3x2 += va3 * vb2; |
| vacc3x3 += va3 * vb3; |
| |
| k -= sizeof(int8_t); |
| } while (k != 0); |
| |
| float vfpacc0x0 = (float) vacc0x0; |
| float vfpacc0x1 = (float) vacc0x1; |
| float vfpacc0x2 = (float) vacc0x2; |
| float vfpacc0x3 = (float) vacc0x3; |
| float vfpacc1x0 = (float) vacc1x0; |
| float vfpacc1x1 = (float) vacc1x1; |
| float vfpacc1x2 = (float) vacc1x2; |
| float vfpacc1x3 = (float) vacc1x3; |
| float vfpacc2x0 = (float) vacc2x0; |
| float vfpacc2x1 = (float) vacc2x1; |
| float vfpacc2x2 = (float) vacc2x2; |
| float vfpacc2x3 = (float) vacc2x3; |
| float vfpacc3x0 = (float) vacc3x0; |
| float vfpacc3x1 = (float) vacc3x1; |
| float vfpacc3x2 = (float) vacc3x2; |
| float vfpacc3x3 = (float) vacc3x3; |
| |
| const float vscale0 = ((const float*) w)[0]; |
| vfpacc0x0 *= vscale0; |
| vfpacc1x0 *= vscale0; |
| vfpacc2x0 *= vscale0; |
| vfpacc3x0 *= vscale0; |
| const float vscale1 = ((const float*) w)[1]; |
| vfpacc0x1 *= vscale1; |
| vfpacc1x1 *= vscale1; |
| vfpacc2x1 *= vscale1; |
| vfpacc3x1 *= vscale1; |
| const float vscale2 = ((const float*) w)[2]; |
| vfpacc0x2 *= vscale2; |
| vfpacc1x2 *= vscale2; |
| vfpacc2x2 *= vscale2; |
| vfpacc3x2 *= vscale2; |
| const float vscale3 = ((const float*) w)[3]; |
| vfpacc0x3 *= vscale3; |
| vfpacc1x3 *= vscale3; |
| vfpacc2x3 *= vscale3; |
| vfpacc3x3 *= vscale3; |
| w = (const void*) ((const float*) w + 4); |
| |
| const float voutput_min_less_zero_point = params->scalar_magic.output_min_less_zero_point; |
| vfpacc0x0 = math_max_f32(vfpacc0x0, voutput_min_less_zero_point); |
| vfpacc0x1 = math_max_f32(vfpacc0x1, voutput_min_less_zero_point); |
| vfpacc0x2 = math_max_f32(vfpacc0x2, voutput_min_less_zero_point); |
| vfpacc0x3 = math_max_f32(vfpacc0x3, voutput_min_less_zero_point); |
| vfpacc1x0 = math_max_f32(vfpacc1x0, voutput_min_less_zero_point); |
| vfpacc1x1 = math_max_f32(vfpacc1x1, voutput_min_less_zero_point); |
| vfpacc1x2 = math_max_f32(vfpacc1x2, voutput_min_less_zero_point); |
| vfpacc1x3 = math_max_f32(vfpacc1x3, voutput_min_less_zero_point); |
| vfpacc2x0 = math_max_f32(vfpacc2x0, voutput_min_less_zero_point); |
| vfpacc2x1 = math_max_f32(vfpacc2x1, voutput_min_less_zero_point); |
| vfpacc2x2 = math_max_f32(vfpacc2x2, voutput_min_less_zero_point); |
| vfpacc2x3 = math_max_f32(vfpacc2x3, voutput_min_less_zero_point); |
| vfpacc3x0 = math_max_f32(vfpacc3x0, voutput_min_less_zero_point); |
| vfpacc3x1 = math_max_f32(vfpacc3x1, voutput_min_less_zero_point); |
| vfpacc3x2 = math_max_f32(vfpacc3x2, voutput_min_less_zero_point); |
| vfpacc3x3 = math_max_f32(vfpacc3x3, voutput_min_less_zero_point); |
| |
| const float voutput_max_less_zero_point = params->scalar_magic.output_max_less_zero_point; |
| vfpacc0x0 = math_min_f32(vfpacc0x0, voutput_max_less_zero_point); |
| vfpacc0x1 = math_min_f32(vfpacc0x1, voutput_max_less_zero_point); |
| vfpacc0x2 = math_min_f32(vfpacc0x2, voutput_max_less_zero_point); |
| vfpacc0x3 = math_min_f32(vfpacc0x3, voutput_max_less_zero_point); |
| vfpacc1x0 = math_min_f32(vfpacc1x0, voutput_max_less_zero_point); |
| vfpacc1x1 = math_min_f32(vfpacc1x1, voutput_max_less_zero_point); |
| vfpacc1x2 = math_min_f32(vfpacc1x2, voutput_max_less_zero_point); |
| vfpacc1x3 = math_min_f32(vfpacc1x3, voutput_max_less_zero_point); |
| vfpacc2x0 = math_min_f32(vfpacc2x0, voutput_max_less_zero_point); |
| vfpacc2x1 = math_min_f32(vfpacc2x1, voutput_max_less_zero_point); |
| vfpacc2x2 = math_min_f32(vfpacc2x2, voutput_max_less_zero_point); |
| vfpacc2x3 = math_min_f32(vfpacc2x3, voutput_max_less_zero_point); |
| vfpacc3x0 = math_min_f32(vfpacc3x0, voutput_max_less_zero_point); |
| vfpacc3x1 = math_min_f32(vfpacc3x1, voutput_max_less_zero_point); |
| vfpacc3x2 = math_min_f32(vfpacc3x2, voutput_max_less_zero_point); |
| vfpacc3x3 = math_min_f32(vfpacc3x3, voutput_max_less_zero_point); |
| |
| const float vmagic_bias = params->scalar_magic.magic_bias; |
| vfpacc0x0 += vmagic_bias; |
| vfpacc0x1 += vmagic_bias; |
| vfpacc0x2 += vmagic_bias; |
| vfpacc0x3 += vmagic_bias; |
| vfpacc1x0 += vmagic_bias; |
| vfpacc1x1 += vmagic_bias; |
| vfpacc1x2 += vmagic_bias; |
| vfpacc1x3 += vmagic_bias; |
| vfpacc2x0 += vmagic_bias; |
| vfpacc2x1 += vmagic_bias; |
| vfpacc2x2 += vmagic_bias; |
| vfpacc2x3 += vmagic_bias; |
| vfpacc3x0 += vmagic_bias; |
| vfpacc3x1 += vmagic_bias; |
| vfpacc3x2 += vmagic_bias; |
| vfpacc3x3 += vmagic_bias; |
| |
| const int32_t vmagic_bias_less_output_zero_point = params->scalar_magic.magic_bias_less_output_zero_point; |
| int32_t vout0x0 = (int32_t) fp32_to_bits(vfpacc0x0) - vmagic_bias_less_output_zero_point; |
| int32_t vout0x1 = (int32_t) fp32_to_bits(vfpacc0x1) - vmagic_bias_less_output_zero_point; |
| int32_t vout0x2 = (int32_t) fp32_to_bits(vfpacc0x2) - vmagic_bias_less_output_zero_point; |
| int32_t vout0x3 = (int32_t) fp32_to_bits(vfpacc0x3) - vmagic_bias_less_output_zero_point; |
| int32_t vout1x0 = (int32_t) fp32_to_bits(vfpacc1x0) - vmagic_bias_less_output_zero_point; |
| int32_t vout1x1 = (int32_t) fp32_to_bits(vfpacc1x1) - vmagic_bias_less_output_zero_point; |
| int32_t vout1x2 = (int32_t) fp32_to_bits(vfpacc1x2) - vmagic_bias_less_output_zero_point; |
| int32_t vout1x3 = (int32_t) fp32_to_bits(vfpacc1x3) - vmagic_bias_less_output_zero_point; |
| int32_t vout2x0 = (int32_t) fp32_to_bits(vfpacc2x0) - vmagic_bias_less_output_zero_point; |
| int32_t vout2x1 = (int32_t) fp32_to_bits(vfpacc2x1) - vmagic_bias_less_output_zero_point; |
| int32_t vout2x2 = (int32_t) fp32_to_bits(vfpacc2x2) - vmagic_bias_less_output_zero_point; |
| int32_t vout2x3 = (int32_t) fp32_to_bits(vfpacc2x3) - vmagic_bias_less_output_zero_point; |
| int32_t vout3x0 = (int32_t) fp32_to_bits(vfpacc3x0) - vmagic_bias_less_output_zero_point; |
| int32_t vout3x1 = (int32_t) fp32_to_bits(vfpacc3x1) - vmagic_bias_less_output_zero_point; |
| int32_t vout3x2 = (int32_t) fp32_to_bits(vfpacc3x2) - vmagic_bias_less_output_zero_point; |
| int32_t vout3x3 = (int32_t) fp32_to_bits(vfpacc3x3) - vmagic_bias_less_output_zero_point; |
| |
| if XNN_LIKELY(nc >= 4) { |
| c0[0] = (int8_t) vout0x0; |
| c0[1] = (int8_t) vout0x1; |
| c0[2] = (int8_t) vout0x2; |
| c0[3] = (int8_t) vout0x3; |
| c1[0] = (int8_t) vout1x0; |
| c1[1] = (int8_t) vout1x1; |
| c1[2] = (int8_t) vout1x2; |
| c1[3] = (int8_t) vout1x3; |
| c2[0] = (int8_t) vout2x0; |
| c2[1] = (int8_t) vout2x1; |
| c2[2] = (int8_t) vout2x2; |
| c2[3] = (int8_t) vout2x3; |
| c3[0] = (int8_t) vout3x0; |
| c3[1] = (int8_t) vout3x1; |
| c3[2] = (int8_t) vout3x2; |
| c3[3] = (int8_t) vout3x3; |
| |
| a0 = (const int8_t*) ((uintptr_t) a0 - kc); |
| a1 = (const int8_t*) ((uintptr_t) a1 - kc); |
| a2 = (const int8_t*) ((uintptr_t) a2 - kc); |
| a3 = (const int8_t*) ((uintptr_t) a3 - kc); |
| |
| c0 = (int8_t*) ((uintptr_t) c0 + cn_stride); |
| c1 = (int8_t*) ((uintptr_t) c1 + cn_stride); |
| c2 = (int8_t*) ((uintptr_t) c2 + cn_stride); |
| c3 = (int8_t*) ((uintptr_t) c3 + cn_stride); |
| |
| nc -= 4; |
| } else { |
| if (nc & 2) { |
| c0[0] = (int8_t) vout0x0; |
| c0[1] = (int8_t) vout0x1; |
| vout0x0 = vout0x2; |
| c0 += 2; |
| c1[0] = (int8_t) vout1x0; |
| c1[1] = (int8_t) vout1x1; |
| vout1x0 = vout1x2; |
| c1 += 2; |
| c2[0] = (int8_t) vout2x0; |
| c2[1] = (int8_t) vout2x1; |
| vout2x0 = vout2x2; |
| c2 += 2; |
| c3[0] = (int8_t) vout3x0; |
| c3[1] = (int8_t) vout3x1; |
| vout3x0 = vout3x2; |
| c3 += 2; |
| } |
| if (nc & 1) { |
| c0[0] = (int8_t) vout0x0; |
| c1[0] = (int8_t) vout1x0; |
| c2[0] = (int8_t) vout2x0; |
| c3[0] = (int8_t) vout3x0; |
| } |
| |
| nc = 0; |
| } |
| } while (nc != 0); |
| } |