public static void main(String[] args) throws RunnerException {
    Options opt = new OptionsBuilder()
        .include(".*" + VectorFastHTLongKeyBench.class.getSimpleName() + ".*")
        .warmupIterations(4) // number of times the warmup iteration should take place
        .measurementIterations(4) //number of times the actual iteration should take place
        .forks(1)
        .jvmArgs("-Xmx8g", "-Xms8g", "-XX:MaxDirectMemorySize=512M")
        .build();
    new Runner(opt).run();
  }
For output log check: itests/target/tmp/log/hive-jmh.log
itests/hive-jmh/src/main/java/org/apache/hive/benchmark/vectorization/mapjoin/load/VectorFastHTLongKeyBench.java