| // Copyright 2020 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // |
| // $ blaze run -c opt --dynamic_mode=off \ |
| // -- //net/third_party/quiche/src/http2/hpack/huffman:hpack_huffman_encoder_benchmark \ |
| // --benchmarks=all --benchmark_memory_usage --benchmark_repetitions=1 |
| // |
| // Benchmark Time(ns) CPU(ns) Allocs Iterations |
| // ----------------------------------------------------------------------------- |
| // BM_EncodeSmallStrings 256 256 0 2614132 0.000B peak-mem |
| // BM_EncodeLargeString/1k 4295 4296 1 164072 656.000B peak-mem |
| // BM_EncodeLargeString/4k 17077 17078 1 40336 2.516kB peak-mem |
| // BM_EncodeLargeString/32k 136586 136584 1 5126 20.016kB peak-mem |
| // BM_EncodeLargeString/256k 1094913 1094867 1 632 160.016kB peak-mem |
| // BM_EncodeLargeString/2M 8771916 8773555 1 80 1.250MB peak-mem |
| // BM_EncodeLargeString/16M 72575563 72590767 1 10 10.000MB peak-mem |
| // BM_EncodeLargeString/128M 602461676 602487805 1 1 80.000MB peak-mem |
| // |
| |
| #include <string> |
| |
| #pragma clang diagnostic push |
| #pragma clang diagnostic ignored "-Weverything" |
| // This header has multiple DCHECK_* macros with signed-unsigned comparison. |
| #include "testing/base/public/benchmark.h" |
| #pragma clang diagnostic pop |
| |
| #include "net/third_party/quiche/src/http2/hpack/huffman/hpack_huffman_encoder.h" |
| |
| namespace http2 { |
| namespace { |
| |
| void BM_EncodeSmallStrings(benchmark::State& state) { |
| const std::vector<const std::string> inputs{ |
| ":method", ":path", "cookie", "set-cookie", "vary", "accept-encoding"}; |
| for (auto s : state) { |
| for (const auto& input : inputs) { |
| size_t encoded_size = ExactHuffmanSize(input); |
| std::string result; |
| HuffmanEncode(input, encoded_size, &result); |
| } |
| } |
| } |
| |
| void BM_EncodeLargeString(benchmark::State& state) { |
| const std::string input(state.range(0), 'a'); |
| for (auto s : state) { |
| size_t encoded_size = ExactHuffmanSize(input); |
| std::string result; |
| HuffmanEncode(input, encoded_size, &result); |
| } |
| } |
| |
| BENCHMARK(BM_EncodeSmallStrings); |
| BENCHMARK(BM_EncodeLargeString)->Range(1024, 128 * 1024 * 1024); |
| |
| } // namespace |
| } // namespace http2 |