cdc.applic.benches.OneCharSeparatorsMatcherBench Maven / Gradle / Ivy
package cdc.applic.benches;
import java.util.concurrent.TimeUnit;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.Warmup;
import org.openjdk.jmh.results.format.ResultFormatType;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.RunnerException;
import org.openjdk.jmh.runner.options.Options;
import org.openjdk.jmh.runner.options.OptionsBuilder;
import cdc.applic.expressions.parsing.OneCharSeparators;
import cdc.applic.expressions.parsing.Tokenizer;
import cdc.util.bench.BenchUtils;
@BenchmarkMode(Mode.Throughput)
@OutputTimeUnit(TimeUnit.SECONDS)
@State(Scope.Benchmark)
@Fork(value = 1, jvmArgs = { "-Xms1G", "-Xmx8G" })
@Warmup(iterations = 5, time = 100, timeUnit = TimeUnit.MILLISECONDS)
@Measurement(iterations = 10, time = 100, timeUnit = TimeUnit.MILLISECONDS)
public class OneCharSeparatorsMatcherBench {
@Param({ "a", " ", "{", "b", "!", "c", "(", ")", "&", "|" })
public char c;
final Tokenizer tokenizer = new Tokenizer();
@Benchmark
public boolean benchMultiplyShift() {
return OneCharSeparators.MULTIPLY_SHIFT_MATCHER.test(c);
}
@Benchmark
public boolean benchMultiplyInlineShift() {
return OneCharSeparators.MULTIPLY_SHIFT_INLINE_MATCHER.test(c);
}
@Benchmark
public boolean benchBitSet() {
return OneCharSeparators.BIT_SET_MATCHER.test(c);
}
@Benchmark
public boolean benchBooleanArray() {
return OneCharSeparators.BOOLEAN_ARRAY_MATCHER.test(c);
}
public static void main(String[] args) throws RunnerException {
final Options opt =
new OptionsBuilder().include(OneCharSeparatorsMatcherBench.class.getSimpleName())
.resultFormat(ResultFormatType.CSV)
.result(BenchUtils.filename("benchmarks", OneCharSeparatorsMatcherBench.class, ".csv"))
.forks(1)
.build();
new Runner(opt).run();
}
}