jdk-24/test/micro/org/openjdk/bench/javax/crypto/AESReinit.java
Claes Redestad 90bd544512 8342958: Use jvmArgs consistently in microbenchmarks
Reviewed-by: ecaspole, jvernee
2024-10-28 22:40:25 +00:00

65 lines
2.2 KiB
Java

/*
* Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package org.openjdk.bench.javax.crypto;
import org.openjdk.jmh.annotations.*;
import javax.crypto.Cipher;
import javax.crypto.spec.GCMParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import java.util.Random;
import java.util.concurrent.TimeUnit;
@Warmup(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
@Measurement(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
@Fork(value = 3, jvmArgs = {"-Xms1g", "-Xmx1g"})
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@State(Scope.Thread)
public class AESReinit {
private Cipher cipher;
private Random random;
byte[] key = new byte[16];
byte[] iv = new byte[16];
@Setup
public void prepare() throws Exception {
random = new Random();
cipher = Cipher.getInstance("AES/GCM/NoPadding");
key = new byte[16];
iv = new byte[16];
}
@Benchmark
public void test() throws Exception {
random.nextBytes(key);
random.nextBytes(iv);
SecretKeySpec secretKey = new SecretKeySpec(key, "AES");
GCMParameterSpec param = new GCMParameterSpec(128, iv);
cipher.init(Cipher.ENCRYPT_MODE, secretKey, param);
}
}