test / src /f32-argmaxpool /f32-argmaxpool-9p8x-sse2-c4.c
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// 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 <emmintrin.h>
#include <xnnpack/argmaxpool.h>
void xnn_f32_argmaxpool_ukernel_9p8x__sse2_c4(
size_t output_pixels,
size_t pooling_elements,
size_t channels,
const float** input,
size_t input_offset,
float* accumulation_buffer,
uint32_t* index_buffer,
float* output,
uint32_t* index,
size_t input_increment,
size_t output_increment) XNN_OOB_READS
{
assert(output_pixels != 0);
assert(pooling_elements != 0);
assert(pooling_elements > 9);
assert(channels != 0);
do {
{
float* ab = accumulation_buffer;
uint32_t* ib = index_buffer;
const float* i0 = *input++;
const float* i1 = *input++;
const float* i2 = *input++;
const float* i3 = *input++;
const float* i4 = *input++;
const float* i5 = *input++;
const float* i6 = *input++;
const float* i7 = *input++;
const float* i8 = *input++;
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);
for (size_t c = 0; c < channels; c += 4) {
const __m128 vi0 = _mm_loadu_ps(i0);
i0 += 4;
const __m128 vi1 = _mm_loadu_ps(i1);
i1 += 4;
const __m128 vi2 = _mm_loadu_ps(i2);
i2 += 4;
const __m128 vi3 = _mm_loadu_ps(i3);
i3 += 4;
const __m128 vi4 = _mm_loadu_ps(i4);
i4 += 4;
const __m128 vi5 = _mm_loadu_ps(i5);
i5 += 4;
const __m128 vi6 = _mm_loadu_ps(i6);
i6 += 4;
const __m128 vi7 = _mm_loadu_ps(i7);
i7 += 4;
const __m128 vi8 = _mm_loadu_ps(i8);
i8 += 4;
__m128 vmax = vi0;
__m128i vidx = _mm_setzero_si128();
const __m128i vm1 = _mm_castps_si128(_mm_cmpgt_ps(vi1, vmax));
vmax = _mm_max_ps(vi1, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm1, vidx), _mm_and_si128(vm1, _mm_set1_epi32(1)));
const __m128i vm2 = _mm_castps_si128(_mm_cmpgt_ps(vi2, vmax));
vmax = _mm_max_ps(vi2, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm2, vidx), _mm_and_si128(vm2, _mm_set1_epi32(2)));
const __m128i vm3 = _mm_castps_si128(_mm_cmpgt_ps(vi3, vmax));
vmax = _mm_max_ps(vi3, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm3, vidx), _mm_and_si128(vm3, _mm_set1_epi32(3)));
const __m128i vm4 = _mm_castps_si128(_mm_cmpgt_ps(vi4, vmax));
vmax = _mm_max_ps(vi4, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm4, vidx), _mm_and_si128(vm4, _mm_set1_epi32(4)));
const __m128i vm5 = _mm_castps_si128(_mm_cmpgt_ps(vi5, vmax));
vmax = _mm_max_ps(vi5, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm5, vidx), _mm_and_si128(vm5, _mm_set1_epi32(5)));
const __m128i vm6 = _mm_castps_si128(_mm_cmpgt_ps(vi6, vmax));
vmax = _mm_max_ps(vi6, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm6, vidx), _mm_and_si128(vm6, _mm_set1_epi32(6)));
const __m128i vm7 = _mm_castps_si128(_mm_cmpgt_ps(vi7, vmax));
vmax = _mm_max_ps(vi7, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm7, vidx), _mm_and_si128(vm7, _mm_set1_epi32(7)));
const __m128i vm8 = _mm_castps_si128(_mm_cmpgt_ps(vi8, vmax));
vmax = _mm_max_ps(vi8, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm8, vidx), _mm_and_si128(vm8, _mm_set1_epi32(8)));
_mm_store_ps(ab, vmax);
ab += 4;
_mm_store_si128((__m128i*) ib, vidx);
ib += 4;
}
}
const __m128i v1 = _mm_set1_epi32(1);
const __m128i v8 = _mm_set1_epi32(8);
__m128i vidx0 = _mm_add_epi32(v1, v8);
size_t k = pooling_elements;
for (k -= 9; k > 8; k -= 8) {
const float* i0 = *input++;
const float* i1 = *input++;
const float* i2 = *input++;
const float* i3 = *input++;
const float* i4 = *input++;
const float* i5 = *input++;
const float* i6 = *input++;
const float* i7 = *input++;
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);
float* ab = accumulation_buffer;
uint32_t* ib = index_buffer;
for (size_t c = 0; c < channels; c += 4) {
const __m128 vi0 = _mm_loadu_ps(i0);
i0 += 4;
const __m128 vi1 = _mm_loadu_ps(i1);
i1 += 4;
const __m128 vi2 = _mm_loadu_ps(i2);
i2 += 4;
const __m128 vi3 = _mm_loadu_ps(i3);
i3 += 4;
const __m128 vi4 = _mm_loadu_ps(i4);
i4 += 4;
const __m128 vi5 = _mm_loadu_ps(i5);
i5 += 4;
const __m128 vi6 = _mm_loadu_ps(i6);
i6 += 4;
const __m128 vi7 = _mm_loadu_ps(i7);
i7 += 4;
__m128 vmax = _mm_load_ps(ab);
__m128i vidx = _mm_load_si128((const __m128i*) ib);
const __m128i vm0 = _mm_castps_si128(_mm_cmpgt_ps(vi0, vmax));
vmax = _mm_max_ps(vi0, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm0, vidx), _mm_and_si128(vm0, vidx0));
const __m128i vm1 = _mm_castps_si128(_mm_cmpgt_ps(vi1, vmax));
const __m128i vidx1 = _mm_add_epi32(vidx0, v1);
vmax = _mm_max_ps(vi1, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm1, vidx), _mm_and_si128(vm1, vidx1));
const __m128i vm2 = _mm_castps_si128(_mm_cmpgt_ps(vi2, vmax));
const __m128i vidx2 = _mm_add_epi32(vidx1, v1);
vmax = _mm_max_ps(vi2, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm2, vidx), _mm_and_si128(vm2, vidx2));
const __m128i vm3 = _mm_castps_si128(_mm_cmpgt_ps(vi3, vmax));
const __m128i vidx3 = _mm_add_epi32(vidx2, v1);
vmax = _mm_max_ps(vi3, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm3, vidx), _mm_and_si128(vm3, vidx3));
const __m128i vm4 = _mm_castps_si128(_mm_cmpgt_ps(vi4, vmax));
const __m128i vidx4 = _mm_add_epi32(vidx3, v1);
vmax = _mm_max_ps(vi4, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm4, vidx), _mm_and_si128(vm4, vidx4));
const __m128i vm5 = _mm_castps_si128(_mm_cmpgt_ps(vi5, vmax));
const __m128i vidx5 = _mm_add_epi32(vidx4, v1);
vmax = _mm_max_ps(vi5, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm5, vidx), _mm_and_si128(vm5, vidx5));
const __m128i vm6 = _mm_castps_si128(_mm_cmpgt_ps(vi6, vmax));
const __m128i vidx6 = _mm_add_epi32(vidx5, v1);
vmax = _mm_max_ps(vi6, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm6, vidx), _mm_and_si128(vm6, vidx6));
const __m128i vm7 = _mm_castps_si128(_mm_cmpgt_ps(vi7, vmax));
const __m128i vidx7 = _mm_add_epi32(vidx6, v1);
vmax = _mm_max_ps(vi7, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm7, vidx), _mm_and_si128(vm7, vidx7));
_mm_store_ps(ab, vmax);
ab += 4;
_mm_store_si128((__m128i*) ib, vidx);
ib += 4;
}
vidx0 = _mm_add_epi32(vidx0, v8);
}
float* o = output;
uint32_t* i = index;
{
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];
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);
input = (const float**) ((uintptr_t) input + input_increment);
if (k < 2) {
i1 = i0;
}
if (k <= 2) {
i2 = i0;
}
if (k < 4) {
i3 = i0;
}
if (k <= 4) {
i4 = i0;
}
if (k < 6) {
i5 = i0;
}
if (k <= 6) {
i6 = i0;
}
if (k != 8) {
i7 = i0;
}
size_t c = channels;
float* ab = accumulation_buffer;
uint32_t* ib = index_buffer;
for (; c >= 4; c -= 4) {
const __m128 vi0 = _mm_loadu_ps(i0);
i0 += 4;
const __m128 vi1 = _mm_loadu_ps(i1);
i1 += 4;
const __m128 vi2 = _mm_loadu_ps(i2);
i2 += 4;
const __m128 vi3 = _mm_loadu_ps(i3);
i3 += 4;
const __m128 vi4 = _mm_loadu_ps(i4);
i4 += 4;
const __m128 vi5 = _mm_loadu_ps(i5);
i5 += 4;
const __m128 vi6 = _mm_loadu_ps(i6);
i6 += 4;
const __m128 vi7 = _mm_loadu_ps(i7);
i7 += 4;
__m128 vmax = _mm_load_ps(ab);
ab += 4;
__m128i vidx = _mm_load_si128((const __m128i*) ib);
ib += 4;
const __m128i vm0 = _mm_castps_si128(_mm_cmpgt_ps(vi0, vmax));
vmax = _mm_max_ps(vi0, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm0, vidx), _mm_and_si128(vm0, vidx0));
const __m128i vm1 = _mm_castps_si128(_mm_cmpgt_ps(vi1, vmax));
const __m128i vidx1 = _mm_add_epi32(vidx0, v1);
vmax = _mm_max_ps(vi1, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm1, vidx), _mm_and_si128(vm1, vidx1));
const __m128i vm2 = _mm_castps_si128(_mm_cmpgt_ps(vi2, vmax));
const __m128i vidx2 = _mm_add_epi32(vidx1, v1);
vmax = _mm_max_ps(vi2, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm2, vidx), _mm_and_si128(vm2, vidx2));
const __m128i vm3 = _mm_castps_si128(_mm_cmpgt_ps(vi3, vmax));
const __m128i vidx3 = _mm_add_epi32(vidx2, v1);
vmax = _mm_max_ps(vi3, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm3, vidx), _mm_and_si128(vm3, vidx3));
const __m128i vm4 = _mm_castps_si128(_mm_cmpgt_ps(vi4, vmax));
const __m128i vidx4 = _mm_add_epi32(vidx3, v1);
vmax = _mm_max_ps(vi4, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm4, vidx), _mm_and_si128(vm4, vidx4));
const __m128i vm5 = _mm_castps_si128(_mm_cmpgt_ps(vi5, vmax));
const __m128i vidx5 = _mm_add_epi32(vidx4, v1);
vmax = _mm_max_ps(vi5, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm5, vidx), _mm_and_si128(vm5, vidx5));
const __m128i vm6 = _mm_castps_si128(_mm_cmpgt_ps(vi6, vmax));
const __m128i vidx6 = _mm_add_epi32(vidx5, v1);
vmax = _mm_max_ps(vi6, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm6, vidx), _mm_and_si128(vm6, vidx6));
const __m128i vm7 = _mm_castps_si128(_mm_cmpgt_ps(vi7, vmax));
const __m128i vidx7 = _mm_add_epi32(vidx6, v1);
vmax = _mm_max_ps(vi7, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm7, vidx), _mm_and_si128(vm7, vidx7));
_mm_storeu_ps(o, vmax);
o += 4;
_mm_storeu_si128((__m128i*) i, vidx);
i += 4;
}
if (c != 0) {
const __m128 vi0 = _mm_loadu_ps(i0);
const __m128 vi1 = _mm_loadu_ps(i1);
const __m128 vi2 = _mm_loadu_ps(i2);
const __m128 vi3 = _mm_loadu_ps(i3);
const __m128 vi4 = _mm_loadu_ps(i4);
const __m128 vi5 = _mm_loadu_ps(i5);
const __m128 vi6 = _mm_loadu_ps(i6);
const __m128 vi7 = _mm_loadu_ps(i7);
__m128 vmax = _mm_load_ps(ab);
__m128i vidx = _mm_load_si128((const __m128i*) ib);
const __m128i vm0 = _mm_castps_si128(_mm_cmpgt_ps(vi0, vmax));
vmax = _mm_max_ps(vi0, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm0, vidx), _mm_and_si128(vm0, vidx0));
const __m128i vm1 = _mm_castps_si128(_mm_cmpgt_ps(vi1, vmax));
const __m128i vidx1 = _mm_add_epi32(vidx0, v1);
vmax = _mm_max_ps(vi1, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm1, vidx), _mm_and_si128(vm1, vidx1));
const __m128i vm2 = _mm_castps_si128(_mm_cmpgt_ps(vi2, vmax));
const __m128i vidx2 = _mm_add_epi32(vidx1, v1);
vmax = _mm_max_ps(vi2, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm2, vidx), _mm_and_si128(vm2, vidx2));
const __m128i vm3 = _mm_castps_si128(_mm_cmpgt_ps(vi3, vmax));
const __m128i vidx3 = _mm_add_epi32(vidx2, v1);
vmax = _mm_max_ps(vi3, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm3, vidx), _mm_and_si128(vm3, vidx3));
const __m128i vm4 = _mm_castps_si128(_mm_cmpgt_ps(vi4, vmax));
const __m128i vidx4 = _mm_add_epi32(vidx3, v1);
vmax = _mm_max_ps(vi4, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm4, vidx), _mm_and_si128(vm4, vidx4));
const __m128i vm5 = _mm_castps_si128(_mm_cmpgt_ps(vi5, vmax));
const __m128i vidx5 = _mm_add_epi32(vidx4, v1);
vmax = _mm_max_ps(vi5, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm5, vidx), _mm_and_si128(vm5, vidx5));
const __m128i vm6 = _mm_castps_si128(_mm_cmpgt_ps(vi6, vmax));
const __m128i vidx6 = _mm_add_epi32(vidx5, v1);
vmax = _mm_max_ps(vi6, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm6, vidx), _mm_and_si128(vm6, vidx6));
const __m128i vm7 = _mm_castps_si128(_mm_cmpgt_ps(vi7, vmax));
const __m128i vidx7 = _mm_add_epi32(vidx6, v1);
vmax = _mm_max_ps(vi7, vmax);
vidx = _mm_or_si128(_mm_andnot_si128(vm7, vidx), _mm_and_si128(vm7, vidx7));
if (c & 2) {
_mm_storel_pi((__m64*) o, vmax);
_mm_storel_epi64((__m128i*) i, vidx);
vmax = _mm_movehl_ps(vmax, vmax);
vidx = _mm_unpackhi_epi64(vidx, vidx);
o += 2;
i += 2;
}
if (c & 1) {
_mm_store_ss(o, vmax);
*i = (uint32_t) _mm_cvtsi128_si32(vidx);
o += 1;
i += 1;
}
}
}
output = (float*) ((uintptr_t) o + output_increment);
index = (uint32_t*) i;
} while (--output_pixels != 0);
}