// Auto-generated file. Do not edit! // Template: src/qs8-igemm/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 #include #include #include void xnn_qu8_igemm_minmax_fp32_ukernel_4x2__scalar_imagic( size_t mr, size_t nc, size_t kc, size_t ks, const uint8_t**restrict a, const void*restrict w, uint8_t*restrict c, size_t cm_stride, size_t cn_stride, size_t a_offset, const uint8_t* zero, const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) { assert(mr != 0); assert(mr <= 4); assert(nc != 0); assert(kc != 0); assert(ks != 0); assert(ks % (4 * sizeof(void*)) == 0); assert(a != NULL); assert(w != NULL); assert(c != NULL); uint8_t* c0 = c; uint8_t* c1 = (uint8_t*) ((uintptr_t) c0 + cm_stride); if XNN_UNPREDICTABLE(mr < 2) { c1 = c0; } uint8_t* c2 = (uint8_t*) ((uintptr_t) c1 + cm_stride); if XNN_UNPREDICTABLE(mr <= 2) { c2 = c1; } uint8_t* c3 = (uint8_t*) ((uintptr_t) c2 + cm_stride); if XNN_UNPREDICTABLE(mr != 4) { c3 = c2; } const int32_t vb_zero_point = params->fp32_scalar_imagic.kernel_zero_point; do { int32_t vacc0x0 = unaligned_indexed_load_s32(w, 0); int32_t vacc0x1 = unaligned_indexed_load_s32(w, 1); int32_t vacc1x0 = vacc0x0; int32_t vacc1x1 = vacc0x1; int32_t vacc2x0 = vacc0x0; int32_t vacc2x1 = vacc0x1; int32_t vacc3x0 = vacc0x0; int32_t vacc3x1 = vacc0x1; w = (const void*) ((const int32_t*) w + 2); size_t p = ks; do { const uint8_t* restrict a0 = a[0]; assert(a0 != NULL); if XNN_UNPREDICTABLE(a0 != zero) { a0 = (const uint8_t*) ((uintptr_t) a0 + a_offset); } const uint8_t* restrict a1 = a[1]; assert(a1 != NULL); if XNN_UNPREDICTABLE(a1 != zero) { a1 = (const uint8_t*) ((uintptr_t) a1 + a_offset); } const uint8_t* restrict a2 = a[2]; assert(a2 != NULL); if XNN_UNPREDICTABLE(a2 != zero) { a2 = (const uint8_t*) ((uintptr_t) a2 + a_offset); } const uint8_t* restrict a3 = a[3]; assert(a3 != NULL); if XNN_UNPREDICTABLE(a3 != zero) { a3 = (const uint8_t*) ((uintptr_t) a3 + a_offset); } a += 4; size_t k = kc; do { const int32_t va0 = (int32_t) (uint32_t) *a0++; const int32_t va1 = (int32_t) (uint32_t) *a1++; const int32_t va2 = (int32_t) (uint32_t) *a2++; const int32_t va3 = (int32_t) (uint32_t) *a3++; const int32_t vb0 = (int32_t) (uint32_t) ((const uint8_t*) w)[0] - vb_zero_point; const int32_t vb1 = (int32_t) (uint32_t) ((const uint8_t*) w)[1] - vb_zero_point; w = (const void*) ((const uint8_t*) w + 2); vacc0x0 += va0 * vb0; vacc0x1 += va0 * vb1; vacc1x0 += va1 * vb0; vacc1x1 += va1 * vb1; vacc2x0 += va2 * vb0; vacc2x1 += va2 * vb1; vacc3x0 += va3 * vb0; vacc3x1 += va3 * vb1; k -= sizeof(uint8_t); } while (k != 0); p -= 4 * sizeof(void*); } while (p != 0); float vfpacc0x0 = (float) vacc0x0; float vfpacc0x1 = (float) vacc0x1; float vfpacc1x0 = (float) vacc1x0; float vfpacc1x1 = (float) vacc1x1; float vfpacc2x0 = (float) vacc2x0; float vfpacc2x1 = (float) vacc2x1; float vfpacc3x0 = (float) vacc3x0; float vfpacc3x1 = (float) vacc3x1; const float vscale = params->fp32_scalar_imagic.scale; vfpacc0x0 *= vscale; vfpacc0x1 *= vscale; vfpacc1x0 *= vscale; vfpacc1x1 *= vscale; vfpacc2x0 *= vscale; vfpacc2x1 *= vscale; vfpacc3x0 *= vscale; vfpacc3x1 *= vscale; const float vmagic_bias = params->fp32_scalar_imagic.magic_bias; vfpacc0x0 += vmagic_bias; vfpacc0x1 += vmagic_bias; vfpacc1x0 += vmagic_bias; vfpacc1x1 += vmagic_bias; vfpacc2x0 += vmagic_bias; vfpacc2x1 += vmagic_bias; vfpacc3x0 += vmagic_bias; vfpacc3x1 += vmagic_bias; int32_t vout0x0 = (int32_t) float_as_uint32(vfpacc0x0); int32_t vout0x1 = (int32_t) float_as_uint32(vfpacc0x1); int32_t vout1x0 = (int32_t) float_as_uint32(vfpacc1x0); int32_t vout1x1 = (int32_t) float_as_uint32(vfpacc1x1); int32_t vout2x0 = (int32_t) float_as_uint32(vfpacc2x0); int32_t vout2x1 = (int32_t) float_as_uint32(vfpacc2x1); int32_t vout3x0 = (int32_t) float_as_uint32(vfpacc3x0); int32_t vout3x1 = (int32_t) float_as_uint32(vfpacc3x1); const int32_t vmagic_min = params->fp32_scalar_imagic.magic_min; vout0x0 = math_max_s32(vout0x0, vmagic_min); vout0x1 = math_max_s32(vout0x1, vmagic_min); vout1x0 = math_max_s32(vout1x0, vmagic_min); vout1x1 = math_max_s32(vout1x1, vmagic_min); vout2x0 = math_max_s32(vout2x0, vmagic_min); vout2x1 = math_max_s32(vout2x1, vmagic_min); vout3x0 = math_max_s32(vout3x0, vmagic_min); vout3x1 = math_max_s32(vout3x1, vmagic_min); const int32_t vmagic_max = params->fp32_scalar_imagic.magic_max; vout0x0 = math_min_s32(vout0x0, vmagic_max); vout0x1 = math_min_s32(vout0x1, vmagic_max); vout1x0 = math_min_s32(vout1x0, vmagic_max); vout1x1 = math_min_s32(vout1x1, vmagic_max); vout2x0 = math_min_s32(vout2x0, vmagic_max); vout2x1 = math_min_s32(vout2x1, vmagic_max); vout3x0 = math_min_s32(vout3x0, vmagic_max); vout3x1 = math_min_s32(vout3x1, vmagic_max); const int32_t vmagic_bias_less_zero_point = params->fp32_scalar_imagic.magic_bias_less_zero_point; vout0x0 -= vmagic_bias_less_zero_point; vout0x1 -= vmagic_bias_less_zero_point; vout1x0 -= vmagic_bias_less_zero_point; vout1x1 -= vmagic_bias_less_zero_point; vout2x0 -= vmagic_bias_less_zero_point; vout2x1 -= vmagic_bias_less_zero_point; vout3x0 -= vmagic_bias_less_zero_point; vout3x1 -= vmagic_bias_less_zero_point; if XNN_LIKELY(nc >= 2) { c3[0] = (uint8_t) vout3x0; c3[1] = (uint8_t) vout3x1; c2[0] = (uint8_t) vout2x0; c2[1] = (uint8_t) vout2x1; c1[0] = (uint8_t) vout1x0; c1[1] = (uint8_t) vout1x1; c0[0] = (uint8_t) vout0x0; c0[1] = (uint8_t) vout0x1; c3 = (uint8_t*) ((uintptr_t) c3 + cn_stride); c2 = (uint8_t*) ((uintptr_t) c2 + cn_stride); c1 = (uint8_t*) ((uintptr_t) c1 + cn_stride); c0 = (uint8_t*) ((uintptr_t) c0 + cn_stride); a = (const uint8_t**restrict) ((uintptr_t) a - ks); nc -= 2; } else { if (nc & 1) { c3[0] = (uint8_t) vout3x0; c2[0] = (uint8_t) vout2x0; c1[0] = (uint8_t) vout1x0; c0[0] = (uint8_t) vout0x0; } nc = 0; } } while (nc != 0); }