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// AsmJit - Machine code generation for C++
//
// * Official AsmJit Home Page: https://asmjit.com
// * Official Github Repository: https://github.com/asmjit/asmjit
//
// Copyright (c) 2008-2020 The AsmJit Authors
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
#include <asmjit/core.h>
#ifdef ASMJIT_BUILD_X86
#include <asmjit/x86.h>
#endif
#include <stdio.h>
#include <string.h>
#include "asmjit_test_opcode.h"
#ifndef ASMJIT_NO_COMPILER
#include "asmjit_test_misc.h"
#endif
using namespace asmjit;
// ============================================================================
// [Configuration]
// ============================================================================
static constexpr uint32_t kNumRepeats = 20;
static constexpr uint32_t kNumIterations = 1000;
// ============================================================================
// [BenchUtils]
// ============================================================================
namespace BenchUtils {
class Performance {
public:
inline Performance() noexcept { reset(); }
inline void reset() noexcept {
tick = 0u;
best = 0xFFFFFFFFu;
}
inline uint32_t start() noexcept { return (tick = now()); }
inline uint32_t diff() const noexcept { return now() - tick; }
inline uint32_t end() noexcept {
tick = diff();
if (best > tick)
best = tick;
return tick;
}
static inline uint32_t now() noexcept {
return OSUtils::getTickCount();
}
uint32_t tick;
uint32_t best;
};
static double mbps(uint32_t time, uint64_t outputSize) noexcept {
if (!time) return 0.0;
double bytesTotal = double(outputSize);
return (bytesTotal * 1000) / (double(time) * 1024 * 1024);
}
template<typename EmitterT, typename FuncT>
static void bench(CodeHolder& code, uint32_t arch, const char* testName, const FuncT& func) noexcept {
EmitterT emitter;
const char* archName =
arch == Environment::kArchX86 ? "X86" :
arch == Environment::kArchX64 ? "X64" : "???";
const char* emitterName =
emitter.isAssembler() ? "Assembler" :
emitter.isCompiler() ? "Compiler" :
emitter.isBuilder() ? "Builder" : "Unknown";
Performance perf;
uint64_t codeSize = 0;
Environment env(arch);
for (uint32_t r = 0; r < kNumRepeats; r++) {
perf.start();
codeSize = 0;
for (uint32_t i = 0; i < kNumIterations; i++) {
code.init(env);
code.attach(&emitter);
func(emitter);
codeSize += code.codeSize();
code.reset();
}
perf.end();
}
printf("[%s] %-9s %-10s | Time:%6u [ms] | ", archName, emitterName, testName, perf.best);
if (codeSize)
printf("Speed: %7.3f [MB/s]", mbps(perf.best, codeSize));
else
printf("Speed: N/A");
printf("\n");
}
}
// ============================================================================
// [Main]
// ============================================================================
#ifdef ASMJIT_BUILD_X86
static void benchX86(uint32_t arch) noexcept {
CodeHolder code;
BenchUtils::bench<x86::Assembler>(code, arch, "[fast]", [](x86::Assembler& a) {
asmtest::generateOpcodes(a.as<x86::Emitter>());
});
BenchUtils::bench<x86::Assembler>(code, arch, "[validate]", [](x86::Assembler& a) {
a.addValidationOptions(BaseEmitter::kValidationOptionAssembler);
asmtest::generateOpcodes(a.as<x86::Emitter>());
});
#ifndef ASMJIT_NO_BUILDER
BenchUtils::bench<x86::Builder>(code, arch, "[no-asm]", [](x86::Builder& cb) {
asmtest::generateOpcodes(cb.as<x86::Emitter>());
});
BenchUtils::bench<x86::Builder>(code, arch, "[asm]", [](x86::Builder& cb) {
asmtest::generateOpcodes(cb.as<x86::Emitter>());
cb.finalize();
});
#endif
#ifndef ASMJIT_NO_COMPILER
BenchUtils::bench<x86::Compiler>(code, arch, "[no-asm]", [](x86::Compiler& cc) {
asmtest::generateAlphaBlend(cc);
});
BenchUtils::bench<x86::Compiler>(code, arch, "[asm]", [](x86::Compiler& cc) {
asmtest::generateAlphaBlend(cc);
cc.finalize();
});
#endif
}
#endif
int main() {
#ifdef ASMJIT_BUILD_X86
benchX86(Environment::kArchX86);
benchX86(Environment::kArchX64);
#endif
return 0;
}
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