| // 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 <assert.h> |
| |
| #include <xnnpack/math.h> |
| #include <xnnpack/gemm.h> |
| |
| |
| void xnn_qs8_igemm_minmax_gemmlowp_ukernel_3x4__scalar( |
| size_t mr, |
| size_t nc, |
| size_t kc, |
| size_t ks, |
| const int8_t**restrict a, |
| const void*restrict w, |
| int8_t*restrict c, |
| size_t cm_stride, |
| size_t cn_stride, |
| size_t a_offset, |
| const int8_t* zero, |
| const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) |
| { |
| assert(mr != 0); |
| assert(mr <= 3); |
| assert(nc != 0); |
| assert(kc != 0); |
| assert(ks != 0); |
| assert(ks % (3 * sizeof(void*)) == 0); |
| assert(a != NULL); |
| assert(w != NULL); |
| assert(c != NULL); |
| |
| int8_t* c0 = c; |
| int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride); |
| if XNN_UNPREDICTABLE(mr < 2) { |
| c1 = c0; |
| } |
| int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride); |
| if XNN_UNPREDICTABLE(mr <= 2) { |
| c2 = c1; |
| } |
| |
| 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; |
| w = (const void*) ((const int32_t*) w + 4); |
| |
| size_t p = ks; |
| do { |
| const int8_t* restrict a0 = a[0]; |
| assert(a0 != NULL); |
| if XNN_UNPREDICTABLE(a0 != zero) { |
| a0 = (const int8_t*) ((uintptr_t) a0 + a_offset); |
| } |
| const int8_t* restrict a1 = a[1]; |
| assert(a1 != NULL); |
| if XNN_UNPREDICTABLE(a1 != zero) { |
| a1 = (const int8_t*) ((uintptr_t) a1 + a_offset); |
| } |
| const int8_t* restrict a2 = a[2]; |
| assert(a2 != NULL); |
| if XNN_UNPREDICTABLE(a2 != zero) { |
| a2 = (const int8_t*) ((uintptr_t) a2 + a_offset); |
| } |
| a += 3; |
| |
| 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 vb0 = (int32_t) ((const int8_t*) w)[0]; |
| const int32_t vb1 = (int32_t) ((const int8_t*) w)[1]; |
| const int32_t vb2 = (int32_t) ((const int8_t*) w)[2]; |
| const int32_t vb3 = (int32_t) ((const int8_t*) w)[3]; |
| w = (const void*) ((const int8_t*) w + 4); |
| |
| 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; |
| |
| k -= sizeof(int8_t); |
| } while (k != 0); |
| p -= 3 * sizeof(void*); |
| } while (p != 0); |
| |
| const int32_t vmultiplier = params->gemmlowp_scalar.multiplier; |
| const int64_t vproduct0x0 = (int64_t) vacc0x0 * (int64_t) vmultiplier; |
| const int64_t vproduct0x1 = (int64_t) vacc0x1 * (int64_t) vmultiplier; |
| const int64_t vproduct0x2 = (int64_t) vacc0x2 * (int64_t) vmultiplier; |
| const int64_t vproduct0x3 = (int64_t) vacc0x3 * (int64_t) vmultiplier; |
| const int64_t vproduct1x0 = (int64_t) vacc1x0 * (int64_t) vmultiplier; |
| const int64_t vproduct1x1 = (int64_t) vacc1x1 * (int64_t) vmultiplier; |
| const int64_t vproduct1x2 = (int64_t) vacc1x2 * (int64_t) vmultiplier; |
| const int64_t vproduct1x3 = (int64_t) vacc1x3 * (int64_t) vmultiplier; |
| const int64_t vproduct2x0 = (int64_t) vacc2x0 * (int64_t) vmultiplier; |
| const int64_t vproduct2x1 = (int64_t) vacc2x1 * (int64_t) vmultiplier; |
| const int64_t vproduct2x2 = (int64_t) vacc2x2 * (int64_t) vmultiplier; |
| const int64_t vproduct2x3 = (int64_t) vacc2x3 * (int64_t) vmultiplier; |
| |
| const int64_t vq31rounding = INT64_C(0x40000000); |
| const int32_t vq31product0x0 = (int32_t) (uint32_t) ((uint64_t) (vproduct0x0 + vq31rounding) >> 31); |
| const int32_t vq31product0x1 = (int32_t) (uint32_t) ((uint64_t) (vproduct0x1 + vq31rounding) >> 31); |
| const int32_t vq31product0x2 = (int32_t) (uint32_t) ((uint64_t) (vproduct0x2 + vq31rounding) >> 31); |
| const int32_t vq31product0x3 = (int32_t) (uint32_t) ((uint64_t) (vproduct0x3 + vq31rounding) >> 31); |
| const int32_t vq31product1x0 = (int32_t) (uint32_t) ((uint64_t) (vproduct1x0 + vq31rounding) >> 31); |
| const int32_t vq31product1x1 = (int32_t) (uint32_t) ((uint64_t) (vproduct1x1 + vq31rounding) >> 31); |
| const int32_t vq31product1x2 = (int32_t) (uint32_t) ((uint64_t) (vproduct1x2 + vq31rounding) >> 31); |
| const int32_t vq31product1x3 = (int32_t) (uint32_t) ((uint64_t) (vproduct1x3 + vq31rounding) >> 31); |
| const int32_t vq31product2x0 = (int32_t) (uint32_t) ((uint64_t) (vproduct2x0 + vq31rounding) >> 31); |
| const int32_t vq31product2x1 = (int32_t) (uint32_t) ((uint64_t) (vproduct2x1 + vq31rounding) >> 31); |
| const int32_t vq31product2x2 = (int32_t) (uint32_t) ((uint64_t) (vproduct2x2 + vq31rounding) >> 31); |
| const int32_t vq31product2x3 = (int32_t) (uint32_t) ((uint64_t) (vproduct2x3 + vq31rounding) >> 31); |
| |
| const int32_t vremainder_mask = params->gemmlowp_scalar.remainder_mask; |
| const int32_t vremainder0x0 = (vq31product0x0 & vremainder_mask) - (int32_t) (vq31product0x0 < 0); |
| const int32_t vremainder0x1 = (vq31product0x1 & vremainder_mask) - (int32_t) (vq31product0x1 < 0); |
| const int32_t vremainder0x2 = (vq31product0x2 & vremainder_mask) - (int32_t) (vq31product0x2 < 0); |
| const int32_t vremainder0x3 = (vq31product0x3 & vremainder_mask) - (int32_t) (vq31product0x3 < 0); |
| const int32_t vremainder1x0 = (vq31product1x0 & vremainder_mask) - (int32_t) (vq31product1x0 < 0); |
| const int32_t vremainder1x1 = (vq31product1x1 & vremainder_mask) - (int32_t) (vq31product1x1 < 0); |
| const int32_t vremainder1x2 = (vq31product1x2 & vremainder_mask) - (int32_t) (vq31product1x2 < 0); |
| const int32_t vremainder1x3 = (vq31product1x3 & vremainder_mask) - (int32_t) (vq31product1x3 < 0); |
| const int32_t vremainder2x0 = (vq31product2x0 & vremainder_mask) - (int32_t) (vq31product2x0 < 0); |
| const int32_t vremainder2x1 = (vq31product2x1 & vremainder_mask) - (int32_t) (vq31product2x1 < 0); |
| const int32_t vremainder2x2 = (vq31product2x2 & vremainder_mask) - (int32_t) (vq31product2x2 < 0); |
| const int32_t vremainder2x3 = (vq31product2x3 & vremainder_mask) - (int32_t) (vq31product2x3 < 0); |
| |
| const uint32_t vshift = params->gemmlowp_scalar.shift; |
| const int32_t vremainder_threshold = params->gemmlowp_scalar.remainder_threshold; |
| int32_t vout0x0 = asr_s32(vq31product0x0, vshift) + (int32_t) (vremainder0x0 > vremainder_threshold); |
| int32_t vout0x1 = asr_s32(vq31product0x1, vshift) + (int32_t) (vremainder0x1 > vremainder_threshold); |
| int32_t vout0x2 = asr_s32(vq31product0x2, vshift) + (int32_t) (vremainder0x2 > vremainder_threshold); |
| int32_t vout0x3 = asr_s32(vq31product0x3, vshift) + (int32_t) (vremainder0x3 > vremainder_threshold); |
| int32_t vout1x0 = asr_s32(vq31product1x0, vshift) + (int32_t) (vremainder1x0 > vremainder_threshold); |
| int32_t vout1x1 = asr_s32(vq31product1x1, vshift) + (int32_t) (vremainder1x1 > vremainder_threshold); |
| int32_t vout1x2 = asr_s32(vq31product1x2, vshift) + (int32_t) (vremainder1x2 > vremainder_threshold); |
| int32_t vout1x3 = asr_s32(vq31product1x3, vshift) + (int32_t) (vremainder1x3 > vremainder_threshold); |
| int32_t vout2x0 = asr_s32(vq31product2x0, vshift) + (int32_t) (vremainder2x0 > vremainder_threshold); |
| int32_t vout2x1 = asr_s32(vq31product2x1, vshift) + (int32_t) (vremainder2x1 > vremainder_threshold); |
| int32_t vout2x2 = asr_s32(vq31product2x2, vshift) + (int32_t) (vremainder2x2 > vremainder_threshold); |
| int32_t vout2x3 = asr_s32(vq31product2x3, vshift) + (int32_t) (vremainder2x3 > vremainder_threshold); |
| |
| const int32_t voutput_min_less_zero_point = params->gemmlowp_scalar.output_min_less_zero_point; |
| vout0x0 = math_max_s32(vout0x0, voutput_min_less_zero_point); |
| vout0x1 = math_max_s32(vout0x1, voutput_min_less_zero_point); |
| vout0x2 = math_max_s32(vout0x2, voutput_min_less_zero_point); |
| vout0x3 = math_max_s32(vout0x3, voutput_min_less_zero_point); |
| vout1x0 = math_max_s32(vout1x0, voutput_min_less_zero_point); |
| vout1x1 = math_max_s32(vout1x1, voutput_min_less_zero_point); |
| vout1x2 = math_max_s32(vout1x2, voutput_min_less_zero_point); |
| vout1x3 = math_max_s32(vout1x3, voutput_min_less_zero_point); |
| vout2x0 = math_max_s32(vout2x0, voutput_min_less_zero_point); |
| vout2x1 = math_max_s32(vout2x1, voutput_min_less_zero_point); |
| vout2x2 = math_max_s32(vout2x2, voutput_min_less_zero_point); |
| vout2x3 = math_max_s32(vout2x3, voutput_min_less_zero_point); |
| |
| const int32_t voutput_max_less_zero_point = params->gemmlowp_scalar.output_max_less_zero_point; |
| vout0x0 = math_min_s32(vout0x0, voutput_max_less_zero_point); |
| vout0x1 = math_min_s32(vout0x1, voutput_max_less_zero_point); |
| vout0x2 = math_min_s32(vout0x2, voutput_max_less_zero_point); |
| vout0x3 = math_min_s32(vout0x3, voutput_max_less_zero_point); |
| vout1x0 = math_min_s32(vout1x0, voutput_max_less_zero_point); |
| vout1x1 = math_min_s32(vout1x1, voutput_max_less_zero_point); |
| vout1x2 = math_min_s32(vout1x2, voutput_max_less_zero_point); |
| vout1x3 = math_min_s32(vout1x3, voutput_max_less_zero_point); |
| vout2x0 = math_min_s32(vout2x0, voutput_max_less_zero_point); |
| vout2x1 = math_min_s32(vout2x1, voutput_max_less_zero_point); |
| vout2x2 = math_min_s32(vout2x2, voutput_max_less_zero_point); |
| vout2x3 = math_min_s32(vout2x3, voutput_max_less_zero_point); |
| |
| const int32_t voutput_zero_point = params->gemmlowp_scalar.output_zero_point; |
| vout0x0 += voutput_zero_point; |
| vout0x1 += voutput_zero_point; |
| vout0x2 += voutput_zero_point; |
| vout0x3 += voutput_zero_point; |
| vout1x0 += voutput_zero_point; |
| vout1x1 += voutput_zero_point; |
| vout1x2 += voutput_zero_point; |
| vout1x3 += voutput_zero_point; |
| vout2x0 += voutput_zero_point; |
| vout2x1 += voutput_zero_point; |
| vout2x2 += voutput_zero_point; |
| vout2x3 += voutput_zero_point; |
| |
| if XNN_LIKELY(nc >= 4) { |
| c2[0] = (int8_t) vout2x0; |
| c2[1] = (int8_t) vout2x1; |
| c2[2] = (int8_t) vout2x2; |
| c2[3] = (int8_t) vout2x3; |
| c1[0] = (int8_t) vout1x0; |
| c1[1] = (int8_t) vout1x1; |
| c1[2] = (int8_t) vout1x2; |
| c1[3] = (int8_t) vout1x3; |
| c0[0] = (int8_t) vout0x0; |
| c0[1] = (int8_t) vout0x1; |
| c0[2] = (int8_t) vout0x2; |
| c0[3] = (int8_t) vout0x3; |
| |
| c2 = (int8_t*) ((uintptr_t) c2 + cn_stride); |
| c1 = (int8_t*) ((uintptr_t) c1 + cn_stride); |
| c0 = (int8_t*) ((uintptr_t) c0 + cn_stride); |
| |
| a = (const int8_t**restrict) ((uintptr_t) a - ks); |
| nc -= 4; |
| } else { |
| if (nc & 2) { |
| c2[0] = (int8_t) vout2x0; |
| c2[1] = (int8_t) vout2x1; |
| vout2x0 = vout2x2; |
| c2 += 2; |
| c1[0] = (int8_t) vout1x0; |
| c1[1] = (int8_t) vout1x1; |
| vout1x0 = vout1x2; |
| c1 += 2; |
| c0[0] = (int8_t) vout0x0; |
| c0[1] = (int8_t) vout0x1; |
| vout0x0 = vout0x2; |
| c0 += 2; |
| } |
| if (nc & 1) { |
| c2[0] = (int8_t) vout2x0; |
| c1[0] = (int8_t) vout1x0; |
| c0[0] = (int8_t) vout0x0; |
| } |
| |
| nc = 0; |
| } |
| } while (nc != 0); |
| } |