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// Copyright 2017 The CRC32C Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#include <cstddef>
#include <cstdint>
#ifdef CRC32C_HAVE_CONFIG_H
#include "crc32c/crc32c_config.h"
#endif
#include "benchmark/benchmark.h"
#if CRC32C_TESTS_BUILT_WITH_GLOG
#include "glog/logging.h"
#endif // CRC32C_TESTS_BUILT_WITH_GLOG
#include "./crc32c_arm64.h"
#include "./crc32c_arm64_linux_check.h"
#include "./crc32c_internal.h"
#include "./crc32c_sse42.h"
#include "./crc32c_sse42_check.h"
#include "crc32c/crc32c.h"
class CRC32CBenchmark : public benchmark::Fixture {
public:
void SetUp(const benchmark::State& state) override {
block_size_ = static_cast<size_t>(state.range(0));
block_data_ = std::string(block_size_, 'x');
block_buffer_ = reinterpret_cast<const uint8_t*>(block_data_.data());
}
protected:
std::string block_data_;
const uint8_t* block_buffer_;
size_t block_size_;
};
BENCHMARK_DEFINE_F(CRC32CBenchmark, Public)(benchmark::State& state) {
uint32_t crc = 0;
for (auto _ : state)
crc = crc32c::Extend(crc, block_buffer_, block_size_);
state.SetBytesProcessed(state.iterations() * block_size_);
}
BENCHMARK_REGISTER_F(CRC32CBenchmark, Public)
->RangeMultiplier(16)
->Range(256, 16777216); // Block size.
BENCHMARK_DEFINE_F(CRC32CBenchmark, Portable)(benchmark::State& state) {
uint32_t crc = 0;
for (auto _ : state)
crc = crc32c::ExtendPortable(crc, block_buffer_, block_size_);
state.SetBytesProcessed(state.iterations() * block_size_);
}
BENCHMARK_REGISTER_F(CRC32CBenchmark, Portable)
->RangeMultiplier(16)
->Range(256, 16777216); // Block size.
#if HAVE_ARM64_CRC32C
BENCHMARK_DEFINE_F(CRC32CBenchmark, ArmLinux)(benchmark::State& state) {
if (!crc32c::CanUseArm64Linux()) {
state.SkipWithError("ARM CRC32C instructions not available or not enabled");
return;
}
uint32_t crc = 0;
for (auto _ : state)
crc = crc32c::ExtendArm64(crc, block_buffer_, block_size_);
state.SetBytesProcessed(state.iterations() * block_size_);
}
BENCHMARK_REGISTER_F(CRC32CBenchmark, ArmLinux)
->RangeMultiplier(16)
->Range(256, 16777216); // Block size.
#endif // HAVE_ARM64_CRC32C
#if HAVE_SSE42 && (defined(_M_X64) || defined(__x86_64__))
BENCHMARK_DEFINE_F(CRC32CBenchmark, Sse42)(benchmark::State& state) {
if (!crc32c::CanUseSse42()) {
state.SkipWithError("SSE4.2 instructions not available or not enabled");
return;
}
uint32_t crc = 0;
for (auto _ : state)
crc = crc32c::ExtendSse42(crc, block_buffer_, block_size_);
state.SetBytesProcessed(state.iterations() * block_size_);
}
BENCHMARK_REGISTER_F(CRC32CBenchmark, Sse42)
->RangeMultiplier(16)
->Range(256, 16777216); // Block size.
#endif // HAVE_SSE42 && (defined(_M_X64) || defined(__x86_64__))
int main(int argc, char** argv) {
#if CRC32C_TESTS_BUILT_WITH_GLOG
google::InitGoogleLogging(argv[0]);
google::InstallFailureSignalHandler();
#endif // CRC32C_TESTS_BUILT_WITH_GLOG
benchmark::Initialize(&argc, argv);
benchmark::RunSpecifiedBenchmarks();
return 0;
}
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