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This commit is contained in:
alexandru.borza 2023-03-24 22:46:29 +02:00
parent a93d82d800
commit 63b455ed47
1 changed files with 3 additions and 2 deletions
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core-java-modules/core-java-uuid/src/main/java/com/baeldung/timebaseduuid/UUIDCreatorBenchmark.java
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@ -2,6 +2,7 @@ package com.baeldung.timebaseduuid;
import com.github.f4b6a3.uuid.UuidCreator; import com.github.f4b6a3.uuid.UuidCreator;
import java.util.Map;
import java.util.UUID; import java.util.UUID;
import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap; import java.util.concurrent.ConcurrentMap;
@ -15,13 +16,13 @@ public class UUIDCreatorBenchmark {
int threadCount = 128; int threadCount = 128;
int iterationCount = 100_000; int iterationCount = 100_000;
ConcurrentMap<UUID, Long> uuidMap = new ConcurrentHashMap<>(); Map<UUID, Long> uuidMap = new ConcurrentHashMap<>();
AtomicLong collisionCount = new AtomicLong(); AtomicLong collisionCount = new AtomicLong();
long startNanos = System.nanoTime(); long startNanos = System.nanoTime();
CountDownLatch endLatch = new CountDownLatch(threadCount); CountDownLatch endLatch = new CountDownLatch(threadCount);
for (long i = 0; i < threadCount; i++) { for (long i = 0; i < threadCount; i++) {
final long threadId = i; long threadId = i;
new Thread(() -> { new Thread(() -> {
for (long j = 0; j < iterationCount; j++) { for (long j = 0; j < iterationCount; j++) {
UUID uuid = UuidCreator.getTimeBased(); UUID uuid = UuidCreator.getTimeBased();