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// Copyright 2020 The SwiftShader Authors. All Rights Reserved.
//
// 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.
#include "Coroutine.hpp"
#include "Reactor.hpp"
#include "benchmark/benchmark.h"
BENCHMARK_MAIN();
class Coroutines : public benchmark::Fixture
{
public:
void SetUp(const ::benchmark::State &state) {}
void TearDown(const ::benchmark::State &state) {}
};
BENCHMARK_DEFINE_F(Coroutines, Fibonacci)
(benchmark::State &state)
{
using namespace rr;
if(!Caps.CoroutinesSupported)
{
state.SkipWithError("Coroutines are not supported");
return;
}
Coroutine<int()> function;
{
Yield(Int(0));
Yield(Int(1));
Int current = 1;
Int next = 1;
While(true)
{
Yield(next);
auto tmp = current + next;
current = next;
next = tmp;
}
}
auto coroutine = function();
const auto iterations = state.range(0);
int out = 0;
for(auto _ : state)
{
for(int64_t i = 0; i < iterations; i++)
{
coroutine->await(out);
}
}
}
BENCHMARK_REGISTER_F(Coroutines, Fibonacci)->RangeMultiplier(8)->Range(1, 0x1000000)->ArgName("iterations");