147 lines
3.9 KiB
C++
147 lines
3.9 KiB
C++
// Copyright 2020 The SwiftShader Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "Coroutine.hpp"
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#include "Reactor.hpp"
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#include "benchmark/benchmark.h"
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using namespace rr;
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BENCHMARK_MAIN();
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class Coroutines : public benchmark::Fixture
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{
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public:
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void SetUp(const ::benchmark::State &state) {}
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void TearDown(const ::benchmark::State &state) {}
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};
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BENCHMARK_DEFINE_F(Coroutines, Fibonacci)
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(benchmark::State &state)
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{
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if(!Caps::coroutinesSupported())
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{
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state.SkipWithError("Coroutines are not supported");
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return;
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}
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Coroutine<int()> function;
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{
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Yield(Int(0));
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Yield(Int(1));
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Int current = 1;
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Int next = 1;
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While(true)
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{
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Yield(next);
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auto tmp = current + next;
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current = next;
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next = tmp;
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}
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}
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auto coroutine = function();
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const auto iterations = state.range(0);
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int out = 0;
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for(auto _ : state)
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{
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for(int64_t i = 0; i < iterations; i++)
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{
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coroutine->await(out);
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}
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}
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}
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BENCHMARK_REGISTER_F(Coroutines, Fibonacci)->RangeMultiplier(8)->Range(1, 0x1000000)->ArgName("iterations");
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// Macro that creates a lambda wrapper around the input overloaded function,
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// creating a non-overload based on the args. This is useful for passing
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// overloaded functions as template arguments.
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// See https://stackoverflow.com/questions/25871381/c-overloaded-function-as-template-argument
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#define LIFT(fname) \
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[](auto &&...args) -> decltype(auto) { \
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return fname(std::forward<decltype(args)>(args)...); \
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}
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template<typename Func, class... Args>
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static void Transcedental1(benchmark::State &state, Func func, Args &&...args)
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{
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FunctionT<float(float)> function;
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{
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Float a = function.Arg<0>();
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Float4 v{ a };
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Float4 r = func(v, args...);
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Return(Float(r.x));
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}
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auto routine = function("one");
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for(auto _ : state)
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{
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routine(1.f);
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}
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}
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template<typename Func, class... Args>
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static void Transcedental2(benchmark::State &state, Func func, Args &&...args)
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{
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FunctionT<float(float, float)> function;
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{
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Float a = function.Arg<0>();
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Float b = function.Arg<1>();
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Float4 v1{ a };
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Float4 v2{ b };
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Float4 r = func(v1, v2, args...);
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Return(Float(r.x));
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}
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auto routine = function("two");
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for(auto _ : state)
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{
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routine(0.456f, 0.789f);
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}
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}
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BENCHMARK_CAPTURE(Transcedental1, rr_Sin, Sin);
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BENCHMARK_CAPTURE(Transcedental1, rr_Cos, Cos);
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BENCHMARK_CAPTURE(Transcedental1, rr_Tan, Tan);
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BENCHMARK_CAPTURE(Transcedental1, rr_Asin, Asin);
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BENCHMARK_CAPTURE(Transcedental1, rr_Acos, Acos);
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BENCHMARK_CAPTURE(Transcedental1, rr_Atan, Atan);
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BENCHMARK_CAPTURE(Transcedental1, rr_Sinh, Sinh);
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BENCHMARK_CAPTURE(Transcedental1, rr_Cosh, Cosh);
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BENCHMARK_CAPTURE(Transcedental1, rr_Tanh, Tanh);
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BENCHMARK_CAPTURE(Transcedental1, rr_Asinh, Asinh);
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BENCHMARK_CAPTURE(Transcedental1, rr_Acosh, Acosh);
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BENCHMARK_CAPTURE(Transcedental1, rr_Atanh, Atanh);
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BENCHMARK_CAPTURE(Transcedental2, rr_Atan2, Atan2);
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BENCHMARK_CAPTURE(Transcedental2, rr_Pow, Pow);
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BENCHMARK_CAPTURE(Transcedental1, rr_Exp, Exp);
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BENCHMARK_CAPTURE(Transcedental1, rr_Log, Log);
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BENCHMARK_CAPTURE(Transcedental1, rr_Exp2, LIFT(Exp2));
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BENCHMARK_CAPTURE(Transcedental1, rr_Log2, LIFT(Log2));
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BENCHMARK_CAPTURE(Transcedental1, rr_Rcp_pp_exactAtPow2_true, LIFT(Rcp_pp), true);
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BENCHMARK_CAPTURE(Transcedental1, rr_Rcp_pp_exactAtPow2_false, LIFT(Rcp_pp), false);
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BENCHMARK_CAPTURE(Transcedental1, rr_RcpSqrt_pp, LIFT(RcpSqrt_pp));
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