| /* |
| * Copyright 2013 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| // Author: huibao@google.com (Huibao Lin) |
| // |
| // CPU : Intel(R) Xeon(R) CPU E5-2689 0 @ 2.60GHz |
| // Benchmark Wall Time (ns) CPU Time (ns) |
| // ------------------------------------------------------ |
| // BM_ConvertJpegToJpeg 13730507 13331078 |
| // BM_ConvertJpegToWebp 67427468 67095778 |
| // BM_ConvertPngToPng 2573723 2570515 |
| // BM_ConvertPngToWebp 724208 723557 |
| // BM_ConvertGifToPng 43674338 43643334 |
| // BM_ConvertGifToWebp 26607409 26591156 |
| // BM_ConvertWebpToWebp 26541250 26337027 |
| // BM_ResizeGifToWebp 63763733 63726202 |
| // |
| // Disclaimer: comparing runs over time and across different machines |
| // can be misleading. When contemplating an algorithm change, always do |
| // interleaved runs with the old & new algorithm. |
| |
| #include "net/instaweb/rewriter/public/image.h" |
| |
| #include "net/instaweb/rewriter/cached_result.pb.h" |
| #include "pagespeed/kernel/base/benchmark.h" |
| #include "pagespeed/kernel/base/gtest.h" |
| #include "pagespeed/kernel/base/mock_message_handler.h" |
| #include "pagespeed/kernel/base/mock_timer.h" |
| #include "pagespeed/kernel/base/null_mutex.h" |
| #include "pagespeed/kernel/base/stdio_file_system.h" |
| #include "pagespeed/kernel/base/string.h" |
| #include "pagespeed/kernel/base/string_util.h" |
| #include "pagespeed/kernel/http/image_types.pb.h" |
| #include "pagespeed/kernel/image/image_util.h" |
| |
| namespace net_instaweb { |
| |
| namespace { |
| |
| const char kTestData[] = "/net/instaweb/rewriter/testdata/"; |
| const char kCuppa[] = "Cuppa.png"; |
| const char kIronChef[] = "IronChef2.gif"; |
| const char kPuzzle[] = "Puzzle.jpg"; |
| const char kScenery[] = "Scenery.webp"; |
| |
| // The original quality of Puzzle.jpg is 97. Rewrite it to a lower |
| // quality. |
| const int kNewQuality = 80; |
| |
| class TestImageRewrite { |
| public: |
| TestImageRewrite(const char* file_name, |
| net_instaweb::Image::CompressionOptions* options) : |
| handler_(new net_instaweb::NullMutex), |
| timer_(new net_instaweb::NullMutex, 0), |
| options_(options), |
| file_name_(file_name) { |
| } |
| |
| bool Initialize(net_instaweb::ImageType type) { |
| expected_output_image_type_ = type; |
| GoogleString file_path = StrCat(net_instaweb::GTestSrcDir(), kTestData, |
| file_name_); |
| return file_system_.ReadFile(file_path.c_str(), &contents_, |
| &handler_); |
| } |
| |
| void Rewrite(const ImageDim* image_dim) { |
| // Reset conversions_attempted. This field is increased each time |
| // the image is rewritten, and the image will not be rewritten if |
| // this field is greater than the limit. |
| options_->conversions_attempted = 0; |
| |
| // Rewrite the image. |
| net_instaweb::Image* image = |
| NewImage(contents_, file_name_, "/NOT-USED", |
| options_, &timer_, &handler_); |
| |
| if (image_dim != NULL && image_dim->has_width() && |
| image_dim->has_height()) { |
| EXPECT_TRUE(image->ResizeTo(*image_dim)); |
| } |
| image->Contents(); |
| EXPECT_EQ(expected_output_image_type_, image->image_type()); |
| EXPECT_NE(contents_.length(), image->output_size()); |
| } |
| |
| private: |
| net_instaweb::StdioFileSystem file_system_; |
| net_instaweb::MockMessageHandler handler_; |
| net_instaweb::MockTimer timer_; |
| net_instaweb::Image::CompressionOptions* options_; |
| net_instaweb::ImageType expected_output_image_type_; |
| const char* file_name_; |
| GoogleString contents_; |
| }; |
| |
| static void BM_ConvertJpegToJpeg(int iters) { |
| net_instaweb::Image::CompressionOptions options; |
| options.recompress_jpeg = true; |
| options.jpeg_quality = kNewQuality; |
| |
| TestImageRewrite test_rewrite(kPuzzle, &options); |
| ASSERT_TRUE(test_rewrite.Initialize(net_instaweb::IMAGE_JPEG)); |
| for (int i = 0; i < iters; ++i) { |
| test_rewrite.Rewrite(NULL /* no resizing */); |
| } |
| } |
| BENCHMARK(BM_ConvertJpegToJpeg); |
| |
| static void BM_ConvertJpegToWebp(int iters) { |
| net_instaweb::Image::CompressionOptions options; |
| options.preferred_webp = pagespeed::image_compression::WEBP_LOSSY; |
| options.convert_jpeg_to_webp = true; |
| options.webp_quality = kNewQuality; |
| |
| TestImageRewrite test_rewrite(kPuzzle, &options); |
| ASSERT_TRUE(test_rewrite.Initialize(net_instaweb::IMAGE_WEBP)); |
| for (int i = 0; i < iters; ++i) { |
| test_rewrite.Rewrite(NULL /* no resizing */); |
| } |
| } |
| BENCHMARK(BM_ConvertJpegToWebp); |
| |
| static void BM_ConvertPngToPng(int iters) { |
| net_instaweb::Image::CompressionOptions options; |
| options.recompress_png = true; |
| |
| TestImageRewrite test_rewrite(kCuppa, &options); |
| ASSERT_TRUE(test_rewrite.Initialize(net_instaweb::IMAGE_PNG)); |
| for (int i = 0; i < iters; ++i) { |
| test_rewrite.Rewrite(NULL /* no resizing */); |
| } |
| } |
| BENCHMARK(BM_ConvertPngToPng); |
| |
| static void BM_ConvertPngToWebp(int iters) { |
| net_instaweb::Image::CompressionOptions options; |
| options.preferred_webp = pagespeed::image_compression::WEBP_LOSSLESS; |
| options.allow_webp_alpha = true; |
| options.preserve_lossless = true; |
| |
| TestImageRewrite test_rewrite(kCuppa, &options); |
| ASSERT_TRUE(test_rewrite.Initialize( |
| net_instaweb::IMAGE_WEBP_LOSSLESS_OR_ALPHA)); |
| for (int i = 0; i < iters; ++i) { |
| test_rewrite.Rewrite(NULL /* no resizing */); |
| } |
| } |
| BENCHMARK(BM_ConvertPngToWebp); |
| |
| static void BM_ConvertGifToPng(int iters) { |
| net_instaweb::Image::CompressionOptions options; |
| options.convert_gif_to_png = true; |
| |
| TestImageRewrite test_rewrite(kIronChef, &options); |
| ASSERT_TRUE(test_rewrite.Initialize(net_instaweb::IMAGE_PNG)); |
| for (int i = 0; i < iters; ++i) { |
| test_rewrite.Rewrite(NULL /* no resizing */); |
| } |
| } |
| BENCHMARK(BM_ConvertGifToPng); |
| |
| // To convert a GIF image to WebP we actually convert the GIF image to PNG, |
| // and then from PNG to WebpP. |
| static void BM_ConvertGifToWebp(int iters) { |
| net_instaweb::Image::CompressionOptions options; |
| options.preferred_webp = pagespeed::image_compression::WEBP_LOSSLESS; |
| options.allow_webp_alpha = true; |
| options.preserve_lossless = true; |
| options.convert_gif_to_png = true; |
| |
| TestImageRewrite test_rewrite(kIronChef, &options); |
| ASSERT_TRUE(test_rewrite.Initialize( |
| net_instaweb::IMAGE_WEBP_LOSSLESS_OR_ALPHA)); |
| for (int i = 0; i < iters; ++i) { |
| test_rewrite.Rewrite(NULL /* no resizing */); |
| } |
| } |
| BENCHMARK(BM_ConvertGifToWebp); |
| |
| static void BM_ConvertWebpToWebp(int iters) { |
| net_instaweb::Image::CompressionOptions options; |
| options.preferred_webp = pagespeed::image_compression::WEBP_LOSSLESS; |
| options.recompress_webp = true; |
| options.webp_quality = kNewQuality; |
| |
| TestImageRewrite test_rewrite(kScenery, &options); |
| ASSERT_TRUE(test_rewrite.Initialize(net_instaweb::IMAGE_WEBP)); |
| for (int i = 0; i < iters; ++i) { |
| test_rewrite.Rewrite(NULL /* no resizing */); |
| } |
| } |
| BENCHMARK(BM_ConvertWebpToWebp); |
| |
| static void BM_ResizeGifToWebp(int iters) { |
| net_instaweb::Image::CompressionOptions options; |
| options.preferred_webp = pagespeed::image_compression::WEBP_LOSSLESS; |
| options.allow_webp_alpha = true; |
| options.preserve_lossless = true; |
| |
| TestImageRewrite test_rewrite(kIronChef, &options); |
| ASSERT_TRUE(test_rewrite.Initialize( |
| net_instaweb::IMAGE_WEBP_LOSSLESS_OR_ALPHA)); |
| ImageDim image_dim; |
| image_dim.set_width(190); |
| image_dim.set_height(250); |
| for (int i = 0; i < iters; ++i) { |
| test_rewrite.Rewrite(&image_dim); |
| } |
| } |
| BENCHMARK(BM_ResizeGifToWebp); |
| |
| } // namespace |
| |
| } // namespace net_instaweb |