test / src /f16-maxpool /f16-maxpool-9p8x-minmax-f16c-c8.c
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// Copyright 2022 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 <immintrin.h>
#include <xnnpack/intrinsics-polyfill.h>
#include <xnnpack/maxpool.h>
void xnn_f16_maxpool_minmax_ukernel_9p8x__f16c_c8(
size_t output_pixels,
size_t kernel_elements,
size_t channels,
const void** input,
size_t input_offset,
void* output,
size_t input_increment,
size_t output_increment,
const union xnn_f16_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
{
assert(output_pixels != 0);
assert(kernel_elements != 0);
assert(channels != 0);
const __m256 voutput_min = _mm256_load_ps(params->avx.min);
const __m256 voutput_max = _mm256_load_ps(params->avx.max);
do {
uint16_t* o = output;
{
const uint16_t* i0 = *input++;
const uint16_t* i1 = *input++;
const uint16_t* i2 = *input++;
const uint16_t* i3 = *input++;
const uint16_t* i4 = *input++;
const uint16_t* i5 = *input++;
const uint16_t* i6 = *input++;
const uint16_t* i7 = *input++;
const uint16_t* i8 = *input++;
i0 = (const uint16_t*) ((uintptr_t) i0 + input_offset);
i1 = (const uint16_t*) ((uintptr_t) i1 + input_offset);
i2 = (const uint16_t*) ((uintptr_t) i2 + input_offset);
i3 = (const uint16_t*) ((uintptr_t) i3 + input_offset);
i4 = (const uint16_t*) ((uintptr_t) i4 + input_offset);
i5 = (const uint16_t*) ((uintptr_t) i5 + input_offset);
i6 = (const uint16_t*) ((uintptr_t) i6 + input_offset);
i7 = (const uint16_t*) ((uintptr_t) i7 + input_offset);
i8 = (const uint16_t*) ((uintptr_t) i8 + input_offset);
if (kernel_elements < 2) {
i1 = i0;
}
if (kernel_elements <= 2) {
i2 = i0;
}
if (kernel_elements < 4) {
i3 = i0;
}
if (kernel_elements <= 4) {
i4 = i0;
}
if (kernel_elements < 6) {
i5 = i0;
}
if (kernel_elements <= 6) {
i6 = i0;
}
if (kernel_elements < 8) {
i7 = i0;
}
if (kernel_elements <= 8) {
i8 = i0;
}
size_t c = channels;
for (; c >= 8; c -= 8) {
const __m256 vi0 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i0));
i0 += 8;
const __m256 vi1 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i1));
i1 += 8;
const __m256 vi2 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i2));
i2 += 8;
const __m256 vi3 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i3));
i3 += 8;
const __m256 vi4 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i4));
i4 += 8;
const __m256 vi5 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i5));
i5 += 8;
const __m256 vi6 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i6));
i6 += 8;
const __m256 vi7 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i7));
i7 += 8;
const __m256 vi8 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i8));
i8 += 8;
const __m256 vmax018 = _mm256_max_ps(_mm256_max_ps(vi0, vi1), vi8);
const __m256 vmax23 = _mm256_max_ps(vi2, vi3);
const __m256 vmax45 = _mm256_max_ps(vi4, vi5);
const __m256 vmax67 = _mm256_max_ps(vi6, vi7);
const __m256 vmax2345 = _mm256_max_ps(vmax23, vmax45);
const __m256 vmax01678 = _mm256_max_ps(vmax018, vmax67);
const __m256 vmax = _mm256_max_ps(vmax2345, vmax01678);
const __m256 vout = _mm256_max_ps(_mm256_min_ps(vmax, voutput_max), voutput_min);
_mm_storeu_si128((__m128i*) o, _mm256_cvtps_ph(vout, _MM_FROUND_TO_NEAREST_INT));
o += 8;
}
if (c != 0) {
const __m256 vi0 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i0));
i0 += 8;
const __m256 vi1 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i1));
i1 += 8;
const __m256 vi2 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i2));
i2 += 8;
const __m256 vi3 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i3));
i3 += 8;
const __m256 vi4 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i4));
i4 += 8;
const __m256 vi5 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i5));
i5 += 8;
const __m256 vi6 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i6));
i6 += 8;
const __m256 vi7 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i7));
i7 += 8;
const __m256 vi8 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i8));
i8 += 8;
const __m256 vmax018 = _mm256_max_ps(_mm256_max_ps(vi0, vi1), vi8);
const __m256 vmax23 = _mm256_max_ps(vi2, vi3);
const __m256 vmax45 = _mm256_max_ps(vi4, vi5);
const __m256 vmax67 = _mm256_max_ps(vi6, vi7);
const __m256 vmax2345 = _mm256_max_ps(vmax23, vmax45);
const __m256 vmax01678 = _mm256_max_ps(vmax018, vmax67);
const __m256 vmax = _mm256_max_ps(vmax2345, vmax01678);
__m256 vout = _mm256_max_ps(_mm256_min_ps(vmax, voutput_max), voutput_min);
__m128i vh = _mm256_cvtps_ph(vout, _MM_FROUND_TO_NEAREST_INT);
if (c & 4) {
_mm_storel_epi64((__m128i*) o, vh);
vh = _mm_unpackhi_epi64(vh, vh);
o += 4;
}
if (c & 2) {
_mm_storeu_si32(o, vh);
vh = _mm_srli_epi64(vh, 32);
o += 2;
}
if (c & 1) {
*o = _mm_extract_epi16(vh, 0);
o += 1;
}
}
}
for (ptrdiff_t k = (ptrdiff_t) kernel_elements - 9; k > 0; k -= 8) {
const uint16_t* i0 = *input++;
const uint16_t* i1 = *input++;
const uint16_t* i2 = *input++;
const uint16_t* i3 = *input++;
const uint16_t* i4 = *input++;
const uint16_t* i5 = *input++;
const uint16_t* i6 = *input++;
const uint16_t* i7 = *input++;
i0 = (const uint16_t*) ((uintptr_t) i0 + input_offset);
i1 = (const uint16_t*) ((uintptr_t) i1 + input_offset);
i2 = (const uint16_t*) ((uintptr_t) i2 + input_offset);
i3 = (const uint16_t*) ((uintptr_t) i3 + input_offset);
i4 = (const uint16_t*) ((uintptr_t) i4 + input_offset);
i5 = (const uint16_t*) ((uintptr_t) i5 + input_offset);
i6 = (const uint16_t*) ((uintptr_t) i6 + input_offset);
i7 = (const uint16_t*) ((uintptr_t) i7 + input_offset);
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;
}
o = output;
size_t c = channels;
for (; c >= 8; c -= 8) {
const __m256 vi0 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i0));
i0 += 8;
const __m256 vi1 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i1));
i1 += 8;
const __m256 vi2 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i2));
i2 += 8;
const __m256 vi3 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i3));
i3 += 8;
const __m256 vi4 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i4));
i4 += 8;
const __m256 vi5 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i5));
i5 += 8;
const __m256 vi6 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i6));
i6 += 8;
const __m256 vi7 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i7));
i7 += 8;
const __m256 vo = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) o));
const __m256 vmax01 = _mm256_max_ps(_mm256_max_ps(vi0, vi1), vo);
const __m256 vmax23 = _mm256_max_ps(vi2, vi3);
const __m256 vmax45 = _mm256_max_ps(vi4, vi5);
const __m256 vmax67 = _mm256_max_ps(vi6, vi7);
const __m256 vmax2345 = _mm256_max_ps(vmax23, vmax45);
const __m256 vmax0167 = _mm256_max_ps(vmax01, vmax67);
const __m256 vmax = _mm256_max_ps(vmax2345, vmax0167);
const __m256 vout = _mm256_max_ps(_mm256_min_ps(vmax, voutput_max), voutput_min);
_mm_storeu_si128((__m128i*) o, _mm256_cvtps_ph(vout, _MM_FROUND_TO_NEAREST_INT));
o += 8;
}
if (c != 0) {
const __m256 vi0 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i0));
const __m256 vi1 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i1));
const __m256 vi2 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i2));
const __m256 vi3 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i3));
const __m256 vi4 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i4));
const __m256 vi5 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i5));
const __m256 vi6 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i6));
const __m256 vi7 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i7));
const __m256 vo = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) o));
const __m256 vmax01 = _mm256_max_ps(_mm256_max_ps(vi0, vi1), vo);
const __m256 vmax23 = _mm256_max_ps(vi2, vi3);
const __m256 vmax45 = _mm256_max_ps(vi4, vi5);
const __m256 vmax67 = _mm256_max_ps(vi6, vi7);
const __m256 vmax2345 = _mm256_max_ps(vmax23, vmax45);
const __m256 vmax0167 = _mm256_max_ps(vmax01, vmax67);
const __m256 vmax = _mm256_max_ps(vmax2345, vmax0167);
__m256 vout = _mm256_max_ps(_mm256_min_ps(vmax, voutput_max), voutput_min);
__m128i vh = _mm256_cvtps_ph(vout, _MM_FROUND_TO_NEAREST_INT);
if (c & 4) {
_mm_storel_epi64((__m128i*) o, vh);
vh = _mm_unpackhi_epi64(vh, vh);
o += 4;
}
if (c & 2) {
_mm_storeu_si32(o, vh);
vh = _mm_srli_epi64(vh, 32);
o += 2;
}
if (c & 1) {
*o = _mm_extract_epi16(vh, 0);
o += 1;
}
}
}
input = (const void**) ((uintptr_t) input + input_increment);
output = (uint16_t*) ((uintptr_t) o + output_increment);
} while (--output_pixels != 0);
}