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/*
* Copyright (C) 2010 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package benchmarks;
import java.util.Arrays;
public class ArrayCopyBenchmark {
public void timeManualArrayCopy(int reps) {
char[] src = new char[8192];
for (int rep = 0; rep < reps; ++rep) {
char[] dst = new char[8192];
for (int i = 0; i < 8192; ++i) {
dst[i] = src[i];
}
}
}
public void time_System_arrayCopy(int reps) {
char[] src = new char[8192];
for (int rep = 0; rep < reps; ++rep) {
char[] dst = new char[8192];
System.arraycopy(src, 0, dst, 0, 8192);
}
}
public void time_Arrays_copyOf(int reps) {
char[] src = new char[8192];
for (int rep = 0; rep < reps; ++rep) {
char[] dst = Arrays.copyOf(src, 8192);
}
}
public void time_Arrays_copyOfRange(int reps) {
char[] src = new char[8192];
for (int rep = 0; rep < reps; ++rep) {
char[] dst = Arrays.copyOfRange(src, 0, 8192);
}
}
}
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