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/*
*
* 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/core/util/test_config.h"
#include "test/cpp/microbenchmarks/helpers.h"
#include "test/cpp/util/test_config.h"
namespace grpc {
namespace testing {
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);
for (auto _ : state) {
grpc::ByteBuffer cc(bb);
}
}
BENCHMARK(BM_ByteBuffer_Copy)->Ranges({{1, 64}, {1, 1024 * 1024}});
static void BM_ByteBufferReader_Next(benchmark::State& state) {
const int num_slices = state.range(0);
constexpr size_t kSliceSize = 16;
std::vector<grpc_slice> slices;
for (int i = 0; i < num_slices; ++i) {
std::unique_ptr<char[]> buf(new char[kSliceSize]);
slices.emplace_back(g_core_codegen_interface->grpc_slice_from_copied_buffer(
buf.get(), kSliceSize));
}
grpc_byte_buffer* bb = g_core_codegen_interface->grpc_raw_byte_buffer_create(
slices.data(), num_slices);
grpc_byte_buffer_reader reader;
GPR_ASSERT(
g_core_codegen_interface->grpc_byte_buffer_reader_init(&reader, bb));
for (auto _ : state) {
grpc_slice* slice;
if (GPR_UNLIKELY(!g_core_codegen_interface->grpc_byte_buffer_reader_peek(
&reader, &slice))) {
g_core_codegen_interface->grpc_byte_buffer_reader_destroy(&reader);
GPR_ASSERT(
g_core_codegen_interface->grpc_byte_buffer_reader_init(&reader, bb));
continue;
}
}
g_core_codegen_interface->grpc_byte_buffer_reader_destroy(&reader);
g_core_codegen_interface->grpc_byte_buffer_destroy(bb);
for (auto& slice : slices) {
g_core_codegen_interface->grpc_slice_unref(slice);
}
}
BENCHMARK(BM_ByteBufferReader_Next)->Ranges({{64 * 1024, 1024 * 1024}});
static void BM_ByteBufferReader_Peek(benchmark::State& state) {
const int num_slices = state.range(0);
constexpr size_t kSliceSize = 16;
std::vector<grpc_slice> slices;
for (int i = 0; i < num_slices; ++i) {
std::unique_ptr<char[]> buf(new char[kSliceSize]);
slices.emplace_back(g_core_codegen_interface->grpc_slice_from_copied_buffer(
buf.get(), kSliceSize));
}
grpc_byte_buffer* bb = g_core_codegen_interface->grpc_raw_byte_buffer_create(
slices.data(), num_slices);
grpc_byte_buffer_reader reader;
GPR_ASSERT(
g_core_codegen_interface->grpc_byte_buffer_reader_init(&reader, bb));
for (auto _ : state) {
grpc_slice* slice;
if (GPR_UNLIKELY(!g_core_codegen_interface->grpc_byte_buffer_reader_peek(
&reader, &slice))) {
g_core_codegen_interface->grpc_byte_buffer_reader_destroy(&reader);
GPR_ASSERT(
g_core_codegen_interface->grpc_byte_buffer_reader_init(&reader, bb));
continue;
}
}
g_core_codegen_interface->grpc_byte_buffer_reader_destroy(&reader);
g_core_codegen_interface->grpc_byte_buffer_destroy(bb);
for (auto& slice : slices) {
g_core_codegen_interface->grpc_slice_unref(slice);
}
}
BENCHMARK(BM_ByteBufferReader_Peek)->Ranges({{64 * 1024, 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) {
grpc::testing::TestEnvironment env(&argc, argv);
LibraryInitializer libInit;
::benchmark::Initialize(&argc, argv);
grpc::testing::InitTest(&argc, &argv, false);
benchmark::RunTheBenchmarksNamespaced();
return 0;
}
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