1/*
2 * Copyright (C) 2010 Google Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package benchmarks.regression;
18
19import java.math.BigInteger;
20import java.util.Random;
21import com.google.caliper.Param;
22import com.google.caliper.SimpleBenchmark;
23
24public class BigIntegerBenchmark extends SimpleBenchmark {
25    public void timeRandomDivision(int reps) throws Exception {
26        Random r = new Random();
27        BigInteger x = new BigInteger(1024, r);
28        BigInteger y = new BigInteger(1024, r);
29        for (int i = 0; i < reps; ++i) {
30            x.divide(y);
31        }
32    }
33
34    public void timeRandomGcd(int reps) throws Exception {
35        Random r = new Random();
36        BigInteger x = new BigInteger(1024, r);
37        BigInteger y = new BigInteger(1024, r);
38        for (int i = 0; i < reps; ++i) {
39            x.gcd(y);
40        }
41    }
42
43    public void timeRandomMultiplication(int reps) throws Exception {
44        Random r = new Random();
45        BigInteger x = new BigInteger(1024, r);
46        BigInteger y = new BigInteger(1024, r);
47        for (int i = 0; i < reps; ++i) {
48            x.multiply(y);
49        }
50    }
51}
52