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//
//
// Copyright 2017 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.
//
//
// Benchmark arenas
#include <benchmark/benchmark.h>
#include "src/core/lib/resource_quota/arena.h"
#include "src/core/lib/resource_quota/resource_quota.h"
#include "test/core/test_util/test_config.h"
#include "test/cpp/microbenchmarks/helpers.h"
#include "test/cpp/util/test_config.h"
using grpc_core::Arena;
static void BM_Arena_NoOp(benchmark::State& state) {
grpc_core::MemoryAllocator memory_allocator =
grpc_core::MemoryAllocator(grpc_core::ResourceQuota::Default()
->memory_quota()
->CreateMemoryAllocator("test"));
for (auto _ : state) {
Arena::Create(state.range(0), &memory_allocator)->Destroy();
}
}
BENCHMARK(BM_Arena_NoOp)->Range(1, 1024 * 1024);
static void BM_Arena_ManyAlloc(benchmark::State& state) {
grpc_core::MemoryAllocator memory_allocator =
grpc_core::MemoryAllocator(grpc_core::ResourceQuota::Default()
->memory_quota()
->CreateMemoryAllocator("test"));
Arena* a = Arena::Create(state.range(0), &memory_allocator);
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const size_t realloc_after =
1024 * 1024 * 1024 / ((state.range(1) + 15) & 0xffffff0u);
while (state.KeepRunning()) {
a->Alloc(state.range(1));
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// periodically recreate arena to avoid OOM
if (state.iterations() % realloc_after == 0) {
a->Destroy();
a = Arena::Create(state.range(0), &memory_allocator);
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}
}
a->Destroy();
}
BENCHMARK(BM_Arena_ManyAlloc)->Ranges({{1, 1024 * 1024}, {1, 32 * 1024}});
static void BM_Arena_Batch(benchmark::State& state) {
grpc_core::MemoryAllocator memory_allocator =
grpc_core::MemoryAllocator(grpc_core::ResourceQuota::Default()
->memory_quota()
->CreateMemoryAllocator("test"));
for (auto _ : state) {
Arena* a = Arena::Create(state.range(0), &memory_allocator);
for (int i = 0; i < state.range(1); i++) {
a->Alloc(state.range(2));
}
a->Destroy();
}
}
BENCHMARK(BM_Arena_Batch)->Ranges({{1, 64 * 1024}, {1, 64}, {1, 1024}});
struct TestThingToAllocate {
int a;
int b;
int c;
int d;
};
static void BM_Arena_MakePooled_Small(benchmark::State& state) {
grpc_core::MemoryAllocator memory_allocator =
grpc_core::MemoryAllocator(grpc_core::ResourceQuota::Default()
->memory_quota()
->CreateMemoryAllocator("test"));
Arena* a = Arena::Create(1024, &memory_allocator);
for (auto _ : state) {
a->MakePooled<TestThingToAllocate>();
}
a->Destroy();
}
BENCHMARK(BM_Arena_MakePooled_Small);
static void BM_Arena_MakePooled3_Small(benchmark::State& state) {
grpc_core::MemoryAllocator memory_allocator =
grpc_core::MemoryAllocator(grpc_core::ResourceQuota::Default()
->memory_quota()
->CreateMemoryAllocator("test"));
Arena* a = Arena::Create(1024, &memory_allocator);
for (auto _ : state) {
auto x = a->MakePooled<TestThingToAllocate>();
auto y = a->MakePooled<TestThingToAllocate>();
auto z = a->MakePooled<TestThingToAllocate>();
}
a->Destroy();
}
BENCHMARK(BM_Arena_MakePooled3_Small);
static void BM_Arena_NewDeleteComparison_Small(benchmark::State& state) {
for (auto _ : state) {
benchmark::DoNotOptimize(std::make_unique<TestThingToAllocate>());
}
}
BENCHMARK(BM_Arena_NewDeleteComparison_Small);
// 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);
::benchmark::Initialize(&argc, argv);
grpc::testing::InitTest(&argc, &argv, false);
benchmark::RunTheBenchmarksNamespaced();
return 0;
}