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 
17 package benchmarks.regression;
18 
19 import java.math.BigInteger;
20 import java.util.Random;
21 
22 public class BigIntegerBenchmark {
timeRandomDivision(int reps)23     public void timeRandomDivision(int reps) throws Exception {
24         Random r = new Random();
25         BigInteger x = new BigInteger(1024, r);
26         BigInteger y = new BigInteger(1024, r);
27         for (int i = 0; i < reps; ++i) {
28             x.divide(y);
29         }
30     }
31 
timeRandomGcd(int reps)32     public void timeRandomGcd(int reps) throws Exception {
33         Random r = new Random();
34         BigInteger x = new BigInteger(1024, r);
35         BigInteger y = new BigInteger(1024, r);
36         for (int i = 0; i < reps; ++i) {
37             x.gcd(y);
38         }
39     }
40 
timeRandomMultiplication(int reps)41     public void timeRandomMultiplication(int reps) throws Exception {
42         Random r = new Random();
43         BigInteger x = new BigInteger(1024, r);
44         BigInteger y = new BigInteger(1024, r);
45         for (int i = 0; i < reps; ++i) {
46             x.multiply(y);
47         }
48     }
49 }
50