68 lines
2.6 KiB
Java
68 lines
2.6 KiB
Java
/*
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* Copyright (c) 2024, 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 compiler.vectorapi;
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/*
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* @test
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* @bug 8329555
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* @modules jdk.incubator.vector
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*
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* @run main/othervm -Xbatch -XX:+TieredCompilation compiler.vectorapi.TestBiMorphicMismatchedMemSegment
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*/
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import jdk.incubator.vector.ByteVector;
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import java.lang.foreign.MemorySegment;
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import java.nio.ByteOrder;
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import java.util.concurrent.ThreadLocalRandom;
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import java.util.concurrent.atomic.AtomicLong;
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import java.util.stream.IntStream;
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public class TestBiMorphicMismatchedMemSegment {
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public static void main(String[] args) {
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AtomicLong aLong = new AtomicLong();
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IntStream.range(0, 10000).forEach(j -> {
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byte[] bytes = new byte[64];
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ThreadLocalRandom.current().nextBytes(bytes);
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var byteSegment = MemorySegment.ofArray(bytes);
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var byteFragment = ByteVector.SPECIES_PREFERRED.fromMemorySegment(byteSegment, 0, ByteOrder.LITTLE_ENDIAN);
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float[] floats = new float[128];
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byte[] targetBytes = new byte[512];
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var floatSegment = MemorySegment.ofArray(floats);
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var targetByteSegment = MemorySegment.ofArray(targetBytes);
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byteFragment.intoMemorySegment(floatSegment, ThreadLocalRandom.current().nextInt(0, 448), ByteOrder.LITTLE_ENDIAN);
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byteFragment.intoMemorySegment(targetByteSegment, ThreadLocalRandom.current().nextInt(0, 448), ByteOrder.LITTLE_ENDIAN);
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var l = 0;
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for (int i = 0; i < floats.length; i++) {
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l += (int) floats[i];
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}
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aLong.addAndGet(l);
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});
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System.out.println(aLong.get());
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}
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}
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