archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-28 23:34:52 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8290391: Reduce runtime of java.util package microbenchmarks

Browse source 
Reviewed-by: rriggs, redestad
This commit is contained in:
Eric Caspole 2022-07-19 16:30:44 +00:00
parent bbc57483ce
commit 2cb659e7f4
16 changed files with 90 additions and 104 deletions
Download patch file Download diff file Expand all files Collapse all files

6
test/micro/org/openjdk/bench/java/util/HashMapBench.java
View file

@ -25,12 +25,15 @@ package org.openjdk.bench.java.util;
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.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.Warmup;
import java.util.HashMap;
import java.util.LinkedHashMap;
@ -45,6 +48,9 @@ import static java.util.stream.Collectors.toMap;
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.MILLISECONDS)
@State(Scope.Thread)
@Warmup(iterations = 4, time = 2)
@Measurement(iterations = 4, time = 2)
@Fork(value = 3)
public class HashMapBench {
private Supplier<Map<Integer, Integer>> mapSupplier;
private Map<Integer, Integer> bigMapToAdd;