mirror of
https://chromium.googlesource.com/libyuv/libyuv
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cec28e7088
Intel SkylakeX UVTest3x (1925 ms) UVTest4x (2915 ms) PlaneTest3x (2040 ms) PlaneTest4x (4292 ms) ARGBTest3x (2079 ms) ARGBTest4x (1854 ms) Pixel 2 ARGBTest3x (3602 ms) ARGBTest4x (4064 ms) PlaneTest3x (3331 ms) PlaneTest4x (8977 ms) UVTest3x (3473 ms) UVTest4x (6970 ms) Bug: b/171798872, b/171884264 Change-Id: Iebc70fed907857b6cb71a9baf2aba9861ef1e3f7 Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/2505601 Reviewed-by: richard winterton <rrwinterton@gmail.com> Commit-Queue: Frank Barchard <fbarchard@chromium.org>
243 lines
9.0 KiB
C++
243 lines
9.0 KiB
C++
/*
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* Copyright 2011 The LibYuv Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <stdlib.h>
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#include <time.h>
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#include "../unit_test/unit_test.h"
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#include "libyuv/cpu_id.h"
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#include "libyuv/scale_uv.h"
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namespace libyuv {
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#define STRINGIZE(line) #line
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#define FILELINESTR(file, line) file ":" STRINGIZE(line)
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// Test scaling with C vs Opt and return maximum pixel difference. 0 = exact.
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static int UVTestFilter(int src_width,
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int src_height,
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int dst_width,
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int dst_height,
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FilterMode f,
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int benchmark_iterations,
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int disable_cpu_flags,
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int benchmark_cpu_info) {
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if (!SizeValid(src_width, src_height, dst_width, dst_height)) {
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return 0;
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}
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int i, j;
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const int b = 0; // 128 to test for padding/stride.
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int64_t src_uv_plane_size =
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(Abs(src_width) + b * 2) * (Abs(src_height) + b * 2) * 2LL;
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int src_stride_uv = (b * 2 + Abs(src_width)) * 2;
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align_buffer_page_end(src_uv, src_uv_plane_size);
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if (!src_uv) {
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printf("Skipped. Alloc failed " FILELINESTR(__FILE__, __LINE__) "\n");
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return 0;
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}
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MemRandomize(src_uv, src_uv_plane_size);
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int64_t dst_uv_plane_size = (dst_width + b * 2) * (dst_height + b * 2) * 2LL;
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int dst_stride_uv = (b * 2 + dst_width) * 2;
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align_buffer_page_end(dst_uv_c, dst_uv_plane_size);
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align_buffer_page_end(dst_uv_opt, dst_uv_plane_size);
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if (!dst_uv_c || !dst_uv_opt) {
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printf("Skipped. Alloc failed " FILELINESTR(__FILE__, __LINE__) "\n");
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return 0;
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}
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memset(dst_uv_c, 2, dst_uv_plane_size);
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memset(dst_uv_opt, 3, dst_uv_plane_size);
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// Warm up both versions for consistent benchmarks.
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MaskCpuFlags(disable_cpu_flags); // Disable all CPU optimization.
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UVScale(src_uv + (src_stride_uv * b) + b * 2, src_stride_uv, src_width,
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src_height, dst_uv_c + (dst_stride_uv * b) + b * 2, dst_stride_uv,
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dst_width, dst_height, f);
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MaskCpuFlags(benchmark_cpu_info); // Enable all CPU optimization.
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UVScale(src_uv + (src_stride_uv * b) + b * 2, src_stride_uv, src_width,
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src_height, dst_uv_opt + (dst_stride_uv * b) + b * 2, dst_stride_uv,
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dst_width, dst_height, f);
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MaskCpuFlags(disable_cpu_flags); // Disable all CPU optimization.
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double c_time = get_time();
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UVScale(src_uv + (src_stride_uv * b) + b * 2, src_stride_uv, src_width,
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src_height, dst_uv_c + (dst_stride_uv * b) + b * 2, dst_stride_uv,
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dst_width, dst_height, f);
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c_time = (get_time() - c_time);
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MaskCpuFlags(benchmark_cpu_info); // Enable all CPU optimization.
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double opt_time = get_time();
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for (i = 0; i < benchmark_iterations; ++i) {
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UVScale(src_uv + (src_stride_uv * b) + b * 2, src_stride_uv, src_width,
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src_height, dst_uv_opt + (dst_stride_uv * b) + b * 2, dst_stride_uv,
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dst_width, dst_height, f);
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}
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opt_time = (get_time() - opt_time) / benchmark_iterations;
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// Report performance of C vs OPT
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printf("filter %d - %8d us C - %8d us OPT\n", f,
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static_cast<int>(c_time * 1e6), static_cast<int>(opt_time * 1e6));
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// C version may be a little off from the optimized. Order of
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// operations may introduce rounding somewhere. So do a difference
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// of the buffers and look to see that the max difference isn't
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// over 2.
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int max_diff = 0;
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for (i = b; i < (dst_height + b); ++i) {
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for (j = b * 2; j < (dst_width + b) * 2; ++j) {
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int abs_diff = Abs(dst_uv_c[(i * dst_stride_uv) + j] -
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dst_uv_opt[(i * dst_stride_uv) + j]);
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if (abs_diff > max_diff) {
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max_diff = abs_diff;
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}
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}
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}
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free_aligned_buffer_page_end(dst_uv_c);
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free_aligned_buffer_page_end(dst_uv_opt);
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free_aligned_buffer_page_end(src_uv);
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return max_diff;
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}
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// The following adjustments in dimensions ensure the scale factor will be
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// exactly achieved.
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#define DX(x, nom, denom) static_cast<int>((Abs(x) / nom) * nom)
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#define SX(x, nom, denom) static_cast<int>((x / nom) * denom)
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#define TEST_FACTOR1(name, filter, nom, denom, max_diff) \
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TEST_F(LibYUVScaleTest, UVScaleDownBy##name##_##filter) { \
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int diff = UVTestFilter( \
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SX(benchmark_width_, nom, denom), SX(benchmark_height_, nom, denom), \
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DX(benchmark_width_, nom, denom), DX(benchmark_height_, nom, denom), \
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kFilter##filter, benchmark_iterations_, disable_cpu_flags_, \
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benchmark_cpu_info_); \
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EXPECT_LE(diff, max_diff); \
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}
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// Test a scale factor with all 4 filters. Expect unfiltered to be exact, but
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// filtering is different fixed point implementations for SSSE3, Neon and C.
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#define TEST_FACTOR(name, nom, denom) \
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TEST_FACTOR1(name, None, nom, denom, 0) \
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TEST_FACTOR1(name, Linear, nom, denom, 3) \
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TEST_FACTOR1(name, Bilinear, nom, denom, 3) \
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TEST_FACTOR1(name, Box, nom, denom, 3)
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TEST_FACTOR(2, 1, 2)
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TEST_FACTOR(4, 1, 4)
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// TEST_FACTOR(8, 1, 8) Disable for benchmark performance.
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TEST_FACTOR(3by4, 3, 4)
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TEST_FACTOR(3by8, 3, 8)
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TEST_FACTOR(3, 1, 3)
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#undef TEST_FACTOR1
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#undef TEST_FACTOR
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#undef SX
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#undef DX
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#define TEST_SCALETO1(name, width, height, filter, max_diff) \
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TEST_F(LibYUVScaleTest, name##To##width##x##height##_##filter) { \
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int diff = UVTestFilter(benchmark_width_, benchmark_height_, width, \
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height, kFilter##filter, benchmark_iterations_, \
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disable_cpu_flags_, benchmark_cpu_info_); \
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EXPECT_LE(diff, max_diff); \
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} \
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TEST_F(LibYUVScaleTest, name##From##width##x##height##_##filter) { \
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int diff = UVTestFilter(width, height, Abs(benchmark_width_), \
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Abs(benchmark_height_), kFilter##filter, \
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benchmark_iterations_, disable_cpu_flags_, \
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benchmark_cpu_info_); \
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EXPECT_LE(diff, max_diff); \
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}
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/// Test scale to a specified size with all 4 filters.
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#define TEST_SCALETO(name, width, height) \
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TEST_SCALETO1(name, width, height, None, 0) \
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TEST_SCALETO1(name, width, height, Linear, 3) \
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TEST_SCALETO1(name, width, height, Bilinear, 3)
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TEST_SCALETO(UVScale, 1, 1)
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TEST_SCALETO(UVScale, 320, 240)
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TEST_SCALETO(UVScale, 569, 480)
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TEST_SCALETO(UVScale, 640, 360)
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#ifdef ENABLE_SLOW_TESTS
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TEST_SCALETO(UVScale, 1280, 720)
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TEST_SCALETO(UVScale, 1920, 1080)
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#endif // ENABLE_SLOW_TESTS
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#undef TEST_SCALETO1
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#undef TEST_SCALETO
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TEST_F(LibYUVScaleTest, UVTest3x) {
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const int kSrcStride = 48 * 2;
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const int kDstStride = 16 * 2;
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const int kSize = kSrcStride * 3;
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align_buffer_page_end(orig_pixels, kSize);
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for (int i = 0; i < 48 * 3; ++i) {
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orig_pixels[i * 2 + 0] = i;
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orig_pixels[i * 2 + 1] = 255 - i;
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}
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align_buffer_page_end(dest_pixels, kDstStride);
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int iterations16 =
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benchmark_width_ * benchmark_height_ / (16 * 1) * benchmark_iterations_;
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for (int i = 0; i < iterations16; ++i) {
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UVScale(orig_pixels, kSrcStride, 48, 3, dest_pixels, kDstStride, 16, 1,
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kFilterBilinear);
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}
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EXPECT_EQ(49, dest_pixels[0]);
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EXPECT_EQ(255 - 49, dest_pixels[1]);
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UVScale(orig_pixels, kSrcStride, 48, 3, dest_pixels, kDstStride, 16, 1,
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kFilterNone);
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EXPECT_EQ(49, dest_pixels[0]);
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EXPECT_EQ(255 - 49, dest_pixels[1]);
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free_aligned_buffer_page_end(dest_pixels);
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free_aligned_buffer_page_end(orig_pixels);
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}
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TEST_F(LibYUVScaleTest, UVTest4x) {
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const int kSrcStride = 64 * 2;
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const int kDstStride = 16 * 2;
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const int kSize = kSrcStride * 4;
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align_buffer_page_end(orig_pixels, kSize);
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for (int i = 0; i < 64 * 4; ++i) {
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orig_pixels[i * 2 + 0] = i;
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orig_pixels[i * 2 + 1] = 255 - i;
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}
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align_buffer_page_end(dest_pixels, kDstStride);
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int iterations16 =
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benchmark_width_ * benchmark_height_ / (16 * 1) * benchmark_iterations_;
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for (int i = 0; i < iterations16; ++i) {
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UVScale(orig_pixels, kSrcStride, 64, 4, dest_pixels, kDstStride, 16, 1,
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kFilterBilinear);
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}
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EXPECT_EQ((65 + 66 + 129 + 130 + 2) / 4, dest_pixels[0]);
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EXPECT_EQ((255 - 65 + 255 - 66 + 255 - 129 + 255 - 130 + 2) / 4,
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dest_pixels[1]);
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UVScale(orig_pixels, kSrcStride, 64, 4, dest_pixels, kDstStride, 16, 1,
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kFilterNone);
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EXPECT_EQ(130, dest_pixels[0]); // expect the 3rd pixel of the 3rd row
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EXPECT_EQ(255 - 130, dest_pixels[1]);
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free_aligned_buffer_page_end(dest_pixels);
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free_aligned_buffer_page_end(orig_pixels);
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}
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} // namespace libyuv
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