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Diffstat (limited to 'test/cpp/microbenchmarks/bm_byte_buffer.cc')
-rw-r--r-- | test/cpp/microbenchmarks/bm_byte_buffer.cc | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/test/cpp/microbenchmarks/bm_byte_buffer.cc b/test/cpp/microbenchmarks/bm_byte_buffer.cc new file mode 100644 index 0000000000..a359e6f621 --- /dev/null +++ b/test/cpp/microbenchmarks/bm_byte_buffer.cc @@ -0,0 +1,65 @@ +/* + * + * Copyright 2015 gRPC authors. + * + * 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. + * + */ + +/* This benchmark exists to show that byte-buffer copy is size-independent */ + +#include <memory> + +#include <benchmark/benchmark.h> +#include <grpcpp/impl/grpc_library.h> +#include <grpcpp/support/byte_buffer.h> +#include "test/cpp/microbenchmarks/helpers.h" +#include "test/cpp/util/test_config.h" + +namespace grpc { +namespace testing { + +auto& force_library_initialization = Library::get(); + +static void BM_ByteBuffer_Copy(benchmark::State& state) { + int num_slices = state.range(0); + size_t slice_size = state.range(1); + std::vector<grpc::Slice> slices; + while (num_slices > 0) { + num_slices--; + std::unique_ptr<char[]> buf(new char[slice_size]); + memset(buf.get(), 0, slice_size); + slices.emplace_back(buf.get(), slice_size); + } + grpc::ByteBuffer bb(slices.data(), num_slices); + while (state.KeepRunning()) { + grpc::ByteBuffer cc(bb); + } +} +BENCHMARK(BM_ByteBuffer_Copy)->Ranges({{1, 64}, {1, 1024 * 1024}}); + +} // namespace testing +} // namespace grpc + +// Some distros have RunSpecifiedBenchmarks under the benchmark namespace, +// and others do not. This allows us to support both modes. +namespace benchmark { +void RunTheBenchmarksNamespaced() { RunSpecifiedBenchmarks(); } +} // namespace benchmark + +int main(int argc, char** argv) { + ::benchmark::Initialize(&argc, argv); + ::grpc::testing::InitTest(&argc, &argv, false); + benchmark::RunTheBenchmarksNamespaced(); + return 0; +} |