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Log a more user friendly version of the elapsed time for benchmarks.

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This commit is contained in:
Ruben Dijkstra 2014-05-01 22:42:33 +02:00
parent 261d3c1c1e
commit f8eea76efb
1 changed files with 12 additions and 8 deletions
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20
querydsl-core/src/test/java/com/mysema/testutil/Runner.java
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@ -13,24 +13,28 @@
*/
package com.mysema.testutil;
import com.google.common.base.Stopwatch;
public final class Runner {
private static final int WARMUP = 50000;
private static final int BENCHMARK = 1000000;
public static void run(String label, Benchmark benchmark) throws Exception {
// warmup
benchmark.run(50000);
benchmark.run(WARMUP);
System.err.print("- ");
// run garbage collection
System.gc();
System.err.print("- ");
// perform timing
long start = System.nanoTime();
benchmark.run(1000000);
long end = System.nanoTime();
System.err.println(label + " " + ((end-start) / 1000000));
Stopwatch stopwatch = new Stopwatch().start();
benchmark.run(BENCHMARK);
System.err.println(label + " " + stopwatch.stop().toString());
}
private Runner() {}
}