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8331134: Port SimpleStringBuilderStrategy to use ClassFile API

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Reviewed-by: mchung
This commit is contained in:
Claes Redestad 2024-04-27 12:13:53 +00:00
parent a078b5e611
commit c3372c4555
2 changed files with 111 additions and 173 deletions
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29
test/micro/org/openjdk/bench/java/lang/StringConcat.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2018, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -192,4 +192,31 @@ public class StringConcat {
+f110 + ","+f111 + ","+f112 + ","+f113 + ","+f114 + ","+f115 + ","+f116 + ","+f117 + ","+f118 + ","+f119 + ","
+f120 + ","+f121 + ","+f122;
}
@Benchmark
public String concat23StringConst() {
return f0 + f0 + f0 + f0 + f0 + f0 + f0 + f0 + f0 + f0 + f0 + f0 + f0 + f0 + f0 + f0 + f0 + f0 + f0 + f0 + f0 + f0 + f0 + """
A really long constant string. Such as a copyright header:
* Copyright (c) 2018, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
""";
}
}