| // 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 <psimd.h> |
| |
| #include <xnnpack/argmaxpool.h> |
| |
| |
| void xnn_f32_argmaxpool_ukernel_9x__psimd_c4( |
| size_t output_pixels, |
| size_t pooling_elements, |
| size_t channels, |
| const float** input, |
| size_t input_offset, |
| float* output, |
| uint32_t* index, |
| size_t input_increment, |
| size_t output_increment, |
| const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) |
| { |
| assert(output_pixels != 0); |
| assert(pooling_elements != 0); |
| assert(pooling_elements <= 9); |
| assert(channels != 0); |
| |
| const psimd_f32 voutput_max = psimd_load_splat_f32(¶ms->scalar.max); |
| const psimd_f32 voutput_min = psimd_load_splat_f32(¶ms->scalar.min); |
| do { |
| const float* i0 = input[0]; |
| const float* i1 = input[1]; |
| const float* i2 = input[2]; |
| const float* i3 = input[3]; |
| const float* i4 = input[4]; |
| const float* i5 = input[5]; |
| const float* i6 = input[6]; |
| const float* i7 = input[7]; |
| const float* i8 = input[8]; |
| i0 = (const float*) ((uintptr_t) i0 + input_offset); |
| i1 = (const float*) ((uintptr_t) i1 + input_offset); |
| i2 = (const float*) ((uintptr_t) i2 + input_offset); |
| i3 = (const float*) ((uintptr_t) i3 + input_offset); |
| i4 = (const float*) ((uintptr_t) i4 + input_offset); |
| i5 = (const float*) ((uintptr_t) i5 + input_offset); |
| i6 = (const float*) ((uintptr_t) i6 + input_offset); |
| i7 = (const float*) ((uintptr_t) i7 + input_offset); |
| i8 = (const float*) ((uintptr_t) i8 + input_offset); |
| if (pooling_elements < 2) { |
| i1 = i0; |
| } |
| if (pooling_elements <= 2) { |
| i2 = i0; |
| } |
| if (pooling_elements < 4) { |
| i3 = i0; |
| } |
| if (pooling_elements <= 4) { |
| i4 = i0; |
| } |
| if (pooling_elements < 6) { |
| i5 = i0; |
| } |
| if (pooling_elements <= 6) { |
| i6 = i0; |
| } |
| if (pooling_elements < 8) { |
| i7 = i0; |
| } |
| if (pooling_elements <= 8) { |
| i8 = i0; |
| } |
| |
| size_t c = channels; |
| for (; c >= 4; c -= 4) { |
| const psimd_f32 vi0 = psimd_load_f32(i0); |
| i0 += 4; |
| const psimd_f32 vi1 = psimd_load_f32(i1); |
| i1 += 4; |
| const psimd_f32 vi2 = psimd_load_f32(i2); |
| i2 += 4; |
| const psimd_f32 vi3 = psimd_load_f32(i3); |
| i3 += 4; |
| const psimd_f32 vi4 = psimd_load_f32(i4); |
| i4 += 4; |
| const psimd_f32 vi5 = psimd_load_f32(i5); |
| i5 += 4; |
| const psimd_f32 vi6 = psimd_load_f32(i6); |
| i6 += 4; |
| const psimd_f32 vi7 = psimd_load_f32(i7); |
| i7 += 4; |
| const psimd_f32 vi8 = psimd_load_f32(i8); |
| i8 += 4; |
| |
| psimd_f32 vmax = vi0; |
| psimd_u32 vidx = psimd_splat_u32(0); |
| |
| const psimd_s32 vm1 = vi1 > vmax; |
| vmax = psimd_blend_f32(vm1, vi1, vmax); |
| vidx = psimd_blend_u32(vm1, psimd_splat_u32(1), vidx); |
| |
| const psimd_s32 vm2 = vi2 > vmax; |
| vmax = psimd_blend_f32(vm2, vi2, vmax); |
| vidx = psimd_blend_u32(vm2, psimd_splat_u32(2), vidx); |
| |
| const psimd_s32 vm3 = vi3 > vmax; |
| vmax = psimd_blend_f32(vm3, vi3, vmax); |
| vidx = psimd_blend_u32(vm3, psimd_splat_u32(3), vidx); |
| |
| const psimd_s32 vm4 = vi4 > vmax; |
| vmax = psimd_blend_f32(vm4, vi4, vmax); |
| vidx = psimd_blend_u32(vm4, psimd_splat_u32(4), vidx); |
| |
| const psimd_s32 vm5 = vi5 > vmax; |
| vmax = psimd_blend_f32(vm5, vi5, vmax); |
| vidx = psimd_blend_u32(vm5, psimd_splat_u32(5), vidx); |
| |
| const psimd_s32 vm6 = vi6 > vmax; |
| vmax = psimd_blend_f32(vm6, vi6, vmax); |
| vidx = psimd_blend_u32(vm6, psimd_splat_u32(6), vidx); |
| |
| const psimd_s32 vm7 = vi7 > vmax; |
| vmax = psimd_blend_f32(vm7, vi7, vmax); |
| vidx = psimd_blend_u32(vm7, psimd_splat_u32(7), vidx); |
| |
| const psimd_s32 vm8 = vi8 > vmax; |
| vmax = psimd_blend_f32(vm8, vi8, vmax); |
| vidx = psimd_blend_u32(vm8, psimd_splat_u32(8), vidx); |
| |
| const psimd_f32 vout = psimd_max_f32(psimd_min_f32(vmax, voutput_max), voutput_min); |
| |
| psimd_store_f32(output, vout); |
| output += 4; |
| psimd_store_u32(index, vidx); |
| index += 4; |
| } |
| if (c != 0) { |
| const psimd_f32 vi0 = psimd_load_f32(i0); |
| const psimd_f32 vi1 = psimd_load_f32(i1); |
| const psimd_f32 vi2 = psimd_load_f32(i2); |
| const psimd_f32 vi3 = psimd_load_f32(i3); |
| const psimd_f32 vi4 = psimd_load_f32(i4); |
| const psimd_f32 vi5 = psimd_load_f32(i5); |
| const psimd_f32 vi6 = psimd_load_f32(i6); |
| const psimd_f32 vi7 = psimd_load_f32(i7); |
| const psimd_f32 vi8 = psimd_load_f32(i8); |
| |
| psimd_f32 vmax = vi0; |
| psimd_u32 vidx = psimd_splat_u32(0); |
| |
| const psimd_s32 vm1 = vi1 > vmax; |
| vmax = psimd_blend_f32(vm1, vi1, vmax); |
| vidx = psimd_blend_u32(vm1, psimd_splat_u32(1), vidx); |
| |
| const psimd_s32 vm2 = vi2 > vmax; |
| vmax = psimd_blend_f32(vm2, vi2, vmax); |
| vidx = psimd_blend_u32(vm2, psimd_splat_u32(2), vidx); |
| |
| const psimd_s32 vm3 = vi3 > vmax; |
| vmax = psimd_blend_f32(vm3, vi3, vmax); |
| vidx = psimd_blend_u32(vm3, psimd_splat_u32(3), vidx); |
| |
| const psimd_s32 vm4 = vi4 > vmax; |
| vmax = psimd_blend_f32(vm4, vi4, vmax); |
| vidx = psimd_blend_u32(vm4, psimd_splat_u32(4), vidx); |
| |
| const psimd_s32 vm5 = vi5 > vmax; |
| vmax = psimd_blend_f32(vm5, vi5, vmax); |
| vidx = psimd_blend_u32(vm5, psimd_splat_u32(5), vidx); |
| |
| const psimd_s32 vm6 = vi6 > vmax; |
| vmax = psimd_blend_f32(vm6, vi6, vmax); |
| vidx = psimd_blend_u32(vm6, psimd_splat_u32(6), vidx); |
| |
| const psimd_s32 vm7 = vi7 > vmax; |
| vmax = psimd_blend_f32(vm7, vi7, vmax); |
| vidx = psimd_blend_u32(vm7, psimd_splat_u32(7), vidx); |
| |
| const psimd_s32 vm8 = vi8 > vmax; |
| vmax = psimd_blend_f32(vm8, vi8, vmax); |
| vidx = psimd_blend_u32(vm8, psimd_splat_u32(8), vidx); |
| |
| psimd_f32 vout = psimd_max_f32(psimd_min_f32(vmax, voutput_max), voutput_min); |
| |
| if (c & 2) { |
| psimd_store2_f32(output, vout); |
| psimd_store2_u32(index, vidx); |
| vout = psimd_concat_hi_f32(vout, vout); |
| vidx = psimd_concat_hi_u32(vidx, vidx); |
| output += 2; |
| index += 2; |
| } |
| if (c & 1) { |
| psimd_store1_f32(output, vout); |
| psimd_store1_u32(index, vidx); |
| output += 1; |
| index += 1; |
| } |
| } |
| input = (const float**) ((uintptr_t) input + input_increment); |
| output = (float*) ((uintptr_t) output + output_increment); |
| } while (--output_pixels != 0); |
| } |