// Auto-generated file. Do not edit! // Template: src/qs8-gemm/c4-neondot.c.in // Generator: tools/xngen // // Copyright 2020 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 #include void xnn_qc8_gemm_minmax_fp32_ukernel_4x8c4__neondot( 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_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS { assert(mr != 0); assert(mr <= 4); assert(nc != 0); assert(kc != 0); assert(kc % sizeof(int8_t) == 0); assert(a != NULL); assert(w != NULL); assert(c != NULL); kc = round_up_po2(kc, 4 * sizeof(int8_t)); 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; } // Loop over groups of 8 columns. do { // Initialize accumulators with bias. 8 bias values are loaded from the // weight matrix, at the start of the group of 8 columns. int32x4_t vacc0x0123 = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4); int32x4_t vacc0x4567 = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4); int32x4_t vacc1x0123 = vacc0x0123; int32x4_t vacc1x4567 = vacc0x4567; int32x4_t vacc2x0123 = vacc0x0123; int32x4_t vacc2x4567 = vacc0x4567; int32x4_t vacc3x0123 = vacc0x0123; int32x4_t vacc3x4567 = vacc0x4567; // Inner accumulation loop along the 8 columns. size_t k = kc; // 2x partial unrolled loop to load 8 bytes at a time. while (k >= 8 * sizeof(int8_t)) { // Load a 4x8 block of activations. const int8x8_t va0x01234567 = vld1_s8(a0); a0 += 8; const int8x8_t va1x01234567 = vld1_s8(a1); a1 += 8; const int8x8_t va2x01234567 = vld1_s8(a2); a2 += 8; const int8x8_t va3x01234567 = vld1_s8(a3); a3 += 8; // Load a 8x8 block of weights. const int8x16_t vb0123x0123 = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16); const int8x16_t vb0123x4567 = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16); const int8x16_t vb4567x0123 = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16); const int8x16_t vb4567x4567 = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16); // Multiply-accumulate: 4x8 * 8x8 --> 4x8. vacc0x0123 = vdotq_lane_s32(vacc0x0123, vb0123x0123, va0x01234567, 0); vacc0x4567 = vdotq_lane_s32(vacc0x4567, vb0123x4567, va0x01234567, 0); vacc1x0123 = vdotq_lane_s32(vacc1x0123, vb0123x0123, va1x01234567, 0); vacc1x4567 = vdotq_lane_s32(vacc1x4567, vb0123x4567, va1x01234567, 0); vacc2x0123 = vdotq_lane_s32(vacc2x0123, vb0123x0123, va2x01234567, 0); vacc2x4567 = vdotq_lane_s32(vacc2x4567, vb0123x4567, va2x01234567, 0); vacc3x0123 = vdotq_lane_s32(vacc3x0123, vb0123x0123, va3x01234567, 0); vacc3x4567 = vdotq_lane_s32(vacc3x4567, vb0123x4567, va3x01234567, 0); vacc0x0123 = vdotq_lane_s32(vacc0x0123, vb4567x0123, va0x01234567, 1); vacc0x4567 = vdotq_lane_s32(vacc0x4567, vb4567x4567, va0x01234567, 1); vacc1x0123 = vdotq_lane_s32(vacc1x0123, vb4567x0123, va1x01234567, 1); vacc1x4567 = vdotq_lane_s32(vacc1x4567, vb4567x4567, va1x01234567, 1); vacc2x0123 = vdotq_lane_s32(vacc2x0123, vb4567x0123, va2x01234567, 1); vacc2x4567 = vdotq_lane_s32(vacc2x4567, vb4567x4567, va2x01234567, 1); vacc3x0123 = vdotq_lane_s32(vacc3x0123, vb4567x0123, va3x01234567, 1); vacc3x4567 = vdotq_lane_s32(vacc3x4567, vb4567x4567, va3x01234567, 1); k -= 8 * sizeof(int8_t); } // Handle up to 4 final positions of `k` if XNN_UNLIKELY(k != 0) { // Load a 4x4 block of activations. const int8x8_t va0x01234567 = vld1_s8(a0); a0 += 4; const int8x8_t va1x01234567 = vld1_s8(a1); a1 += 4; const int8x8_t va2x01234567 = vld1_s8(a2); a2 += 4; const int8x8_t va3x01234567 = vld1_s8(a3); a3 += 4; // Load a 4x8 block of weights. const int8x16_t vb0123x0123 = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16); const int8x16_t vb0123x4567 = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16); // Multiply-accumulate: 4x4 * 4x8 --> 4x8. vacc0x0123 = vdotq_lane_s32(vacc0x0123, vb0123x0123, va0x01234567, 0); vacc0x4567 = vdotq_lane_s32(vacc0x4567, vb0123x4567, va0x01234567, 0); vacc1x0123 = vdotq_lane_s32(vacc1x0123, vb0123x0123, va1x01234567, 0); vacc1x4567 = vdotq_lane_s32(vacc1x4567, vb0123x4567, va1x01234567, 0); vacc2x0123 = vdotq_lane_s32(vacc2x0123, vb0123x0123, va2x01234567, 0); vacc2x4567 = vdotq_lane_s32(vacc2x4567, vb0123x4567, va2x01234567, 0); vacc3x0123 = vdotq_lane_s32(vacc3x0123, vb0123x0123, va3x01234567, 0); vacc3x4567 = vdotq_lane_s32(vacc3x4567, vb0123x4567, va3x01234567, 0); } float32x4_t vfpacc0x0123 = vcvtq_f32_s32(vacc0x0123); float32x4_t vfpacc0x4567 = vcvtq_f32_s32(vacc0x4567); float32x4_t vfpacc1x0123 = vcvtq_f32_s32(vacc1x0123); float32x4_t vfpacc1x4567 = vcvtq_f32_s32(vacc1x4567); float32x4_t vfpacc2x0123 = vcvtq_f32_s32(vacc2x0123); float32x4_t vfpacc2x4567 = vcvtq_f32_s32(vacc2x4567); float32x4_t vfpacc3x0123 = vcvtq_f32_s32(vacc3x0123); float32x4_t vfpacc3x4567 = vcvtq_f32_s32(vacc3x4567); const float32x4_t vscale0123 = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4); vfpacc0x0123 = vmulq_f32(vfpacc0x0123, vscale0123); vfpacc1x0123 = vmulq_f32(vfpacc1x0123, vscale0123); vfpacc2x0123 = vmulq_f32(vfpacc2x0123, vscale0123); vfpacc3x0123 = vmulq_f32(vfpacc3x0123, vscale0123); const float32x4_t vscale4567 = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4); vfpacc0x4567 = vmulq_f32(vfpacc0x4567, vscale4567); vfpacc1x4567 = vmulq_f32(vfpacc1x4567, vscale4567); vfpacc2x4567 = vmulq_f32(vfpacc2x4567, vscale4567); vfpacc3x4567 = vmulq_f32(vfpacc3x4567, vscale4567); vacc0x0123 = vcvtnq_s32_f32(vfpacc0x0123); vacc0x4567 = vcvtnq_s32_f32(vfpacc0x4567); vacc1x0123 = vcvtnq_s32_f32(vfpacc1x0123); vacc1x4567 = vcvtnq_s32_f32(vfpacc1x4567); vacc2x0123 = vcvtnq_s32_f32(vfpacc2x0123); vacc2x4567 = vcvtnq_s32_f32(vfpacc2x4567); vacc3x0123 = vcvtnq_s32_f32(vfpacc3x0123); vacc3x4567 = vcvtnq_s32_f32(vfpacc3x4567); const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->fp32_neonv8.output_zero_point); #if XNN_ARCH_ARM64 const int16x8_t vacc0x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567), voutput_zero_point); const int16x8_t vacc1x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567), voutput_zero_point); const int16x8_t vacc2x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567), voutput_zero_point); const int16x8_t vacc3x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc3x0123), vacc3x4567), voutput_zero_point); int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567); int8x16_t vout2x01234567_3x01234567 = vqmovn_high_s16(vqmovn_s16(vacc2x01234567), vacc3x01234567); #else const int16x8_t vacc0x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567)), voutput_zero_point); const int16x8_t vacc1x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567)), voutput_zero_point); const int16x8_t vacc2x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567)), voutput_zero_point); const int16x8_t vacc3x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc3x0123), vqmovn_s32(vacc3x4567)), voutput_zero_point); int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567)); int8x16_t vout2x01234567_3x01234567 = vcombine_s8(vqmovn_s16(vacc2x01234567), vqmovn_s16(vacc3x01234567)); #endif const int8x16_t voutput_min = vld1q_dup_s8(¶ms->fp32_neonv8.output_min); const int8x16_t voutput_max = vld1q_dup_s8(¶ms->fp32_neonv8.output_max); vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min); vout2x01234567_3x01234567 = vmaxq_s8(vout2x01234567_3x01234567, voutput_min); vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max); vout2x01234567_3x01234567 = vminq_s8(vout2x01234567_3x01234567, voutput_max); if (nc >= 8) { // Main case where there the 8 columns fit in the destination. vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567)); vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567)); vst1_s8(c2 + 0, vget_low_s8(vout2x01234567_3x01234567)); vst1_s8(c3 + 0, vget_high_s8(vout2x01234567_3x01234567)); // Advance to the next 8 columns. 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); 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); nc -= 8; } else { // Final case where not all of the 8 columns fit in the destination. if (nc & 4) { vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4; vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4; vst1q_lane_u32((void*) c2, vreinterpretq_u32_s8(vout2x01234567_3x01234567), 0); c2 += 4; vst1q_lane_u32((void*) c3, vreinterpretq_u32_s8(vout2x01234567_3x01234567), 2); c3 += 4; vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4); vout2x01234567_3x01234567 = vextq_s8(vout2x01234567_3x01234567, vout2x01234567_3x01234567, 4); } if (nc & 2) { vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2; vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2; vst1q_lane_u16((void*) c2, vreinterpretq_u16_s8(vout2x01234567_3x01234567), 0); c2 += 2; vst1q_lane_u16((void*) c3, vreinterpretq_u16_s8(vout2x01234567_3x01234567), 4); c3 += 2; vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2); vout2x01234567_3x01234567 = vextq_s8(vout2x01234567_3x01234567, vout2x01234567_3x01234567, 2); } if (nc & 1) { vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0); vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8); vst1q_lane_s8(c2, vout2x01234567_3x01234567, 0); vst1q_lane_s8(c3, vout2x01234567_3x01234567, 8); } nc = 0; } } while (nc != 0); }