66 lines
2.5 KiB
C++
66 lines
2.5 KiB
C++
// Copyright 2017 The Abseil 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
|
|
//
|
|
// https://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.
|
|
|
|
#include "absl/container/fixed_array.h"
|
|
|
|
#include <stddef.h>
|
|
#include <string>
|
|
|
|
#include "benchmark/benchmark.h"
|
|
|
|
namespace {
|
|
|
|
// For benchmarking -- simple class with constructor and destructor that
|
|
// set an int to a constant..
|
|
class SimpleClass {
|
|
public:
|
|
SimpleClass() : i(3) { }
|
|
~SimpleClass() { i = 0; }
|
|
private:
|
|
int i;
|
|
};
|
|
|
|
template <typename C, size_t stack_size>
|
|
void BM_FixedArray(benchmark::State& state) {
|
|
const int size = state.range(0);
|
|
for (auto _ : state) {
|
|
absl::FixedArray<C, stack_size> fa(size);
|
|
benchmark::DoNotOptimize(fa.data());
|
|
}
|
|
}
|
|
BENCHMARK_TEMPLATE(BM_FixedArray, char, absl::kFixedArrayUseDefault)
|
|
->Range(0, 1 << 16);
|
|
BENCHMARK_TEMPLATE(BM_FixedArray, char, 0)->Range(0, 1 << 16);
|
|
BENCHMARK_TEMPLATE(BM_FixedArray, char, 1)->Range(0, 1 << 16);
|
|
BENCHMARK_TEMPLATE(BM_FixedArray, char, 16)->Range(0, 1 << 16);
|
|
BENCHMARK_TEMPLATE(BM_FixedArray, char, 256)->Range(0, 1 << 16);
|
|
BENCHMARK_TEMPLATE(BM_FixedArray, char, 65536)->Range(0, 1 << 16);
|
|
|
|
BENCHMARK_TEMPLATE(BM_FixedArray, SimpleClass, absl::kFixedArrayUseDefault)
|
|
->Range(0, 1 << 16);
|
|
BENCHMARK_TEMPLATE(BM_FixedArray, SimpleClass, 0)->Range(0, 1 << 16);
|
|
BENCHMARK_TEMPLATE(BM_FixedArray, SimpleClass, 1)->Range(0, 1 << 16);
|
|
BENCHMARK_TEMPLATE(BM_FixedArray, SimpleClass, 16)->Range(0, 1 << 16);
|
|
BENCHMARK_TEMPLATE(BM_FixedArray, SimpleClass, 256)->Range(0, 1 << 16);
|
|
BENCHMARK_TEMPLATE(BM_FixedArray, SimpleClass, 65536)->Range(0, 1 << 16);
|
|
|
|
BENCHMARK_TEMPLATE(BM_FixedArray, std::string, absl::kFixedArrayUseDefault)
|
|
->Range(0, 1 << 16);
|
|
BENCHMARK_TEMPLATE(BM_FixedArray, std::string, 0)->Range(0, 1 << 16);
|
|
BENCHMARK_TEMPLATE(BM_FixedArray, std::string, 1)->Range(0, 1 << 16);
|
|
BENCHMARK_TEMPLATE(BM_FixedArray, std::string, 16)->Range(0, 1 << 16);
|
|
BENCHMARK_TEMPLATE(BM_FixedArray, std::string, 256)->Range(0, 1 << 16);
|
|
BENCHMARK_TEMPLATE(BM_FixedArray, std::string, 65536)->Range(0, 1 << 16);
|
|
|
|
} // namespace
|