C++ (Cpp) Performance::end Examples

Example #1

File: asmjit_bench_x86.cpp Project: Yeongjae/idlf

int main(int argc, char* argv[]) {
  using namespace asmjit;

  Performance perf;
  uint32_t kNumRepeats = 10;
  uint32_t kNumIterations = 10000;

  JitRuntime runtime;
  X86Assembler a(&runtime);
  X86Compiler c(&runtime);

  uint32_t r, i;

  // --------------------------------------------------------------------------
  // [Bench - Opcode]
  // --------------------------------------------------------------------------

  perf.reset();
  for (r = 0; r < kNumRepeats; r++) {
    perf.start();
    for (i = 0; i < kNumIterations; i++) {
      asmgen::opcode(a);

      void *p = a.make();
      runtime.release(p);

      a.reset();
    }
    perf.end();
  }

  printf("Opcode   | Time: %-6u [ms] | Speed: %-9u [inst/s]\n",
    perf.best, instPerMs(perf.best, kNumIterations, asmgen::kGenOpCodeInstCount));

  // --------------------------------------------------------------------------
  // [Bench - Blend]
  // --------------------------------------------------------------------------

  perf.reset();
  for (r = 0; r < kNumRepeats; r++) {
    perf.start();
    for (i = 0; i < kNumIterations; i++) {
      asmgen::blend(c);

      void* p = c.make();
      runtime.release(p);

      c.reset();
    }
    perf.end();
  }

  printf("Blend    | Time: %-6u [ms] | Speed: %-9u [inst/s]\n",
    perf.best, instPerMs(perf.best, kNumIterations, asmgen::kGenBlendInstCount));

  return 0;
}

Example #2

File: asmjit_bench_x86.cpp Project: AmesianX/asmjit

static void benchX86(uint32_t arch, uint32_t callConv) {
  using namespace asmjit;

  Performance perf;
  TestRuntime runtime(arch, callConv);

  X86Assembler a(&runtime, arch);
  X86Compiler c;

  uint32_t r, i;

  const char* archName = arch == kArchX86 ? "X86" : "X64";

  // --------------------------------------------------------------------------
  // [Bench - Opcode]
  // --------------------------------------------------------------------------

  size_t asmOutputSize = 0;
  size_t cmpOutputSize = 0;

  perf.reset();
  for (r = 0; r < kNumRepeats; r++) {
    asmOutputSize = 0;
    perf.start();
    for (i = 0; i < kNumIterations; i++) {
      asmgen::opcode(a);

      void *p = a.make();
      runtime.release(p);

      asmOutputSize += a.getCodeSize();
      a.reset();
    }
    perf.end();
  }

  printf("%-12s (%s) | Time: %-6u [ms] | Speed: %7.3f [MB/s]\n",
    "X86Assembler", archName, perf.best, mbps(perf.best, asmOutputSize));

  // --------------------------------------------------------------------------
  // [Bench - Blend]
  // --------------------------------------------------------------------------

  perf.reset();
  for (r = 0; r < kNumRepeats; r++) {
    cmpOutputSize = 0;
    perf.start();
    for (i = 0; i < kNumIterations; i++) {
      c.attach(&a);
      asmgen::blend(c);
      c.finalize();

      void* p = a.make();
      runtime.release(p);

      cmpOutputSize += a.getCodeSize();
      a.reset();
    }
    perf.end();
  }

  printf("%-12s (%s) | Time: %-6u [ms] | Speed: %7.3f [MB/s]\n",
    "X86Compiler", archName, perf.best, mbps(perf.best, cmpOutputSize));
}