b438cffdb9
Co-authored-by: Vladimir Ivanov <vaivanov@openjdk.org> Reviewed-by: sviswanathan, ecaspole
110 lines
3.0 KiB
Java
110 lines
3.0 KiB
Java
/*
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* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package org.openjdk.bench.java.lang;
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import org.openjdk.jmh.annotations.*;
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import java.util.concurrent.TimeUnit;
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@BenchmarkMode(Mode.AverageTime)
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@OutputTimeUnit(TimeUnit.NANOSECONDS)
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@State(Scope.Thread)
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@Warmup(iterations = 5, time = 1)
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@Measurement(iterations = 5, time = 1)
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@Fork(value = 3)
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public class StringReplace {
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public String slat1 = new String("java.lang.String");
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public String sutf16 = new String("\u1D36\u1D43\u1D5B\u1D43 \uFF11\uFF13");
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@Benchmark
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public String replace0x1_1_Latin1() {
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return slat1.replace("Z", "z");
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}
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@Benchmark
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public String replace1x1_0_Latin1() {
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return slat1.replace("g", "");
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}
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@Benchmark
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public String replace1x1_1_Latin1() {
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return slat1.replace("g", "k");
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}
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@Benchmark
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public String replace1x1_2_Latin1() {
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return slat1.replace("g", "th");
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}
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@Benchmark
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public String replace2x1_0_Latin1() {
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return slat1.replace(".", "");
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}
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@Benchmark
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public String replace2x1_1_Latin1() {
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return slat1.replace(".", "/");
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}
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@Benchmark
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public String replace2x1_2_Latin1() {
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return slat1.replace(".", "::");
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}
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@Benchmark
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public String replace0x1_1_UTF16() {
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return sutf16.replace("\u1D36", "\u1D38\u1D3A");
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}
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@Benchmark
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public String replace1x1_0_UTF16() {
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return sutf16.replace("\uFF11", "");
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}
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@Benchmark
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public String replace1x1_1_UTF16() {
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return sutf16.replace("\u1D36", "\u24BF");
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}
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@Benchmark
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public String replace1x1_2_UTF16() {
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return sutf16.replace("\uFF11", "\uFF11\uFF12");
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}
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@Benchmark
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public String replace2x1_0_UTF16() {
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return sutf16.replace("\u1D43", "");
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}
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@Benchmark
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public String replace2x1_1_UTF16() {
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return sutf16.replace("\u1D43", "\u1D2C");
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}
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@Benchmark
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public String replace2x1_2_UTF16() {
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return sutf16.replace("\u1D43", "\u21DB\u21DB");
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}
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}
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