mirror of
https://github.com/asmjit/asmjit.git
synced 2025-12-16 20:17:05 +03:00
cdc4eacbb1
* Renamed round to round_even
* Added round_half_up intrinsic
* Added floating-point mod
* Added a scalar version of floating-point abs and neg
* Added a behavior enum to specify how float to int conversion
handles out-of-range and NaN cases
* Updated some APX stuff in instruction database
118 lines
3.0 KiB
C++
118 lines
3.0 KiB
C++
// This file is part of AsmJit project <https://asmjit.com>
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//
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// See <asmjit/core.h> or LICENSE.md for license and copyright information
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// SPDX-License-Identifier: Zlib
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#ifndef ASMJIT_TEST_PERF_H_INCLUDED
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#define ASMJIT_TEST_PERF_H_INCLUDED
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#include <asmjit/core.h>
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#include "../commons/asmjitutils.h"
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#include "../commons/performancetimer.h"
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namespace asmjit_perf_utils {
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class TestErrorHandler : public asmjit::ErrorHandler {
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void handle_error(asmjit::Error err, const char* message, asmjit::BaseEmitter* origin) override {
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(void)err;
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(void)origin;
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printf("ERROR: %s\n", message);
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abort();
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}
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};
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#ifndef ASMJIT_NO_BUILDER
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template<typename BuilderT, typename FuncT>
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static uint32_t calculate_instruction_count(asmjit::CodeHolder& code, asmjit::Arch arch, const FuncT& func) noexcept {
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BuilderT builder;
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TestErrorHandler eh;
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asmjit::Environment env(arch);
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code.init(env);
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code.set_error_handler(&eh);
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code.attach(&builder);
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func(builder);
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uint32_t count = 0;
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asmjit::BaseNode* node = builder.first_node();
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while (node) {
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count += uint32_t(node->is_inst());
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node = node->next();
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}
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code.reset();
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return count;
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}
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#endif
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static inline double calculate_mbps(double duration_us, uint64_t output_size) noexcept {
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if (duration_us == 0)
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return 0.0;
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double bytes_total = double(output_size);
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return (bytes_total * 1000000) / (duration_us * 1024 * 1024);
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}
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static inline double calculate_mips(double duration, uint64_t instruction_count) noexcept {
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if (duration == 0)
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return 0.0;
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return double(instruction_count) * 1000000.0 / (duration * 1e6);
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}
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template<typename EmitterT, typename FuncT>
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static void bench(asmjit::CodeHolder& code, asmjit::Arch arch, uint32_t num_iterations, const char* test_name, uint32_t instruction_count, const FuncT& func) noexcept {
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EmitterT emitter;
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TestErrorHandler eh;
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const char* arch_name = asmjit_arch_as_string(arch);
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const char* emitter_name =
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emitter.is_assembler() ? "Assembler" :
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emitter.is_compiler() ? "Compiler" :
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emitter.is_builder() ? "Builder" : "Unknown";
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uint64_t code_size = 0;
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asmjit::Environment env(arch);
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PerformanceTimer timer;
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double duration = std::numeric_limits<double>::infinity();
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code.init(env);
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code.set_error_handler(&eh);
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code.attach(&emitter);
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for (uint32_t r = 0; r < num_iterations; r++) {
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code_size = 0;
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timer.start();
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func(emitter);
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code_size += code.code_size();
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code.reinit();
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timer.stop();
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duration = asmjit::Support::min(duration, timer.duration() * 1000);
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}
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printf(" [%-7s] %-9s %-16s | CodeSize:%5llu [B] | Time:%7.3f [us]", arch_name, emitter_name, test_name, (unsigned long long)code_size, duration);
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if (code_size) {
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printf(" | Speed:%7.1f [MiB/s]", calculate_mbps(duration, code_size));
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}
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else {
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printf(" | Speed: N/A ");
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}
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if (instruction_count) {
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printf(", %8.1f [MInst/s]", calculate_mips(duration, instruction_count));
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}
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printf("\n");
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code.reset();
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}
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} // {asmjit_perf_utils}
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#endif // ASMJIT_TEST_PERF_H_INCLUDED
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