115 lines
2.9 KiB
C++
115 lines
2.9 KiB
C++
// This file is part of AsmJit project <https://asmjit.com>
|
|
//
|
|
// See asmjit.h or LICENSE.md for license and copyright information
|
|
// SPDX-License-Identifier: Zlib
|
|
|
|
#ifndef ASMJIT_TEST_PERF_H_INCLUDED
|
|
#define ASMJIT_TEST_PERF_H_INCLUDED
|
|
|
|
#include <asmjit/core.h>
|
|
#include "asmjitutils.h"
|
|
#include "performancetimer.h"
|
|
|
|
namespace asmjit_perf_utils {
|
|
|
|
class TestErrorHandler : public asmjit::ErrorHandler {
|
|
void handleError(asmjit::Error err, const char* message, asmjit::BaseEmitter* origin) {
|
|
(void)err;
|
|
(void)origin;
|
|
printf("ERROR: %s\n", message);
|
|
abort();
|
|
}
|
|
};
|
|
|
|
#ifndef ASMJIT_NO_BUILDER
|
|
template<typename BuilderT, typename FuncT>
|
|
static uint32_t calculateInstructionCount(asmjit::CodeHolder& code, asmjit::Arch arch, const FuncT& func) noexcept {
|
|
BuilderT builder;
|
|
TestErrorHandler eh;
|
|
|
|
asmjit::Environment env(arch);
|
|
code.init(env);
|
|
code.setErrorHandler(&eh);
|
|
code.attach(&builder);
|
|
func(builder);
|
|
|
|
uint32_t count = 0;
|
|
asmjit::BaseNode* node = builder.firstNode();
|
|
|
|
while (node) {
|
|
count += uint32_t(node->isInst());
|
|
node = node->next();
|
|
}
|
|
|
|
code.reset();
|
|
return count;
|
|
}
|
|
#endif
|
|
|
|
static inline double calculateMBPS(double duration, uint64_t outputSize) noexcept {
|
|
if (duration == 0)
|
|
return 0.0;
|
|
|
|
double bytesTotal = double(outputSize);
|
|
return (bytesTotal * 1000) / (duration * 1024 * 1024);
|
|
}
|
|
|
|
static inline double calculateMIPS(double duration, uint64_t instCount) noexcept {
|
|
if (duration == 0)
|
|
return 0.0;
|
|
|
|
return double(instCount) * 1000.0 / (duration * 1e6);
|
|
}
|
|
|
|
template<typename EmitterT, typename FuncT>
|
|
static void bench(asmjit::CodeHolder& code, asmjit::Arch arch, uint32_t numIterations, const char* testName, uint32_t instCount, const FuncT& func) noexcept {
|
|
EmitterT emitter;
|
|
TestErrorHandler eh;
|
|
|
|
const char* archName = asmjitArchAsString(arch);
|
|
const char* emitterName =
|
|
emitter.isAssembler() ? "Assembler" :
|
|
emitter.isCompiler() ? "Compiler" :
|
|
emitter.isBuilder() ? "Builder" : "Unknown";
|
|
|
|
uint64_t codeSize = 0;
|
|
asmjit::Environment env(arch);
|
|
|
|
PerformanceTimer timer;
|
|
double duration = std::numeric_limits<double>::infinity();
|
|
|
|
for (uint32_t r = 0; r < numIterations; r++) {
|
|
codeSize = 0;
|
|
code.init(env);
|
|
code.setErrorHandler(&eh);
|
|
code.attach(&emitter);
|
|
|
|
timer.start();
|
|
func(emitter);
|
|
timer.stop();
|
|
|
|
codeSize += code.codeSize();
|
|
|
|
code.reset();
|
|
duration = asmjit::Support::min(duration, timer.duration());
|
|
}
|
|
|
|
printf(" [%s] %-9s %-16s | CodeSize:%5llu [B] | Time:%8.4f [ms]", archName, emitterName, testName, (unsigned long long)codeSize, duration);
|
|
if (codeSize) {
|
|
printf(" | Speed:%7.1f [MiB/s]", calculateMBPS(duration, codeSize));
|
|
}
|
|
else {
|
|
printf(" | Speed: N/A ");
|
|
}
|
|
|
|
if (instCount) {
|
|
printf(", %8.1f [MInst/s]", calculateMIPS(duration, instCount));
|
|
}
|
|
|
|
printf("\n");
|
|
}
|
|
|
|
} // {asmjit_perf_utils}
|
|
|
|
#endif // ASMJIT_TEST_PERF_H_INCLUDED
|