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8274242: Implement fast-path for ASCII-compatible CharsetEncoders on x86

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Reviewed-by: naoto, thartmann
This commit is contained in:
Claes Redestad 2021-09-29 12:58:14 +00:00
parent c4d115701d
commit aaa36cc006
28 changed files with 428 additions and 391 deletions
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8
test/micro/org/openjdk/bench/java/nio/CharsetEncodeDecode.java
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@ -24,12 +24,15 @@ package org.openjdk.bench.java.nio;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.Warmup;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
@ -45,8 +48,11 @@ import java.util.concurrent.TimeUnit;
* char and byte arrays.
*/
@BenchmarkMode(Mode.AverageTime)
@Warmup(iterations = 10, time = 500, timeUnit = TimeUnit.MILLISECONDS)
@Measurement(iterations = 10, time = 500, timeUnit = TimeUnit.MILLISECONDS)
@OutputTimeUnit(TimeUnit.MICROSECONDS)
@State(Scope.Thread)
@Fork(3)
public class CharsetEncodeDecode {
private byte[] BYTES;
@ -55,7 +61,7 @@ public class CharsetEncodeDecode {
private CharsetEncoder encoder;
private CharsetDecoder decoder;
@Param({"BIG5", "ISO-8859-15", "ASCII", "UTF-16"})
@Param({"UTF-8", "BIG5", "ISO-8859-15", "ASCII", "UTF-16"})
private String type;
@Param("16384")