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