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-rw-r--r--3rdparty/asmjit/test/asmjit_test_perf.h114
1 files changed, 114 insertions, 0 deletions
diff --git a/3rdparty/asmjit/test/asmjit_test_perf.h b/3rdparty/asmjit/test/asmjit_test_perf.h
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+++ b/3rdparty/asmjit/test/asmjit_test_perf.h
@@ -0,0 +1,114 @@
+// 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