BenchGramBenchmark.java 文件源码

private <L extends Lexer> void warmupAndRun(Class<L> lexerClass, String source,
                                            Function<? super L, Tokens> lexerToIter,
                                            double multiplier)
{
  System.out.printf("[%s]: %d tokens in %d chars%n",
    lexerClass.getSimpleName(),
    countTokens(lexerClass, source),
    source.toCharArray().length);
  for (int i = 0; i < WARMUP_REPS; ++i) {
    timedRuns(lexerClass, source, "warmup " + i, Math.round(WARMUP * multiplier * globalMultiplier), lexerToIter);
  }
  System.out.println();
  System.out.println("Starting main runs...");
  double time = timedRuns(lexerClass, source, "runs", Math.round(RUNS * multiplier * globalMultiplier), lexerToIter);
  System.out.println();
  System.out.println();
  fail(time + " ms per run"); // easy reporting.
}