267 lines
12 KiB
Java
267 lines
12 KiB
Java
/*
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* Copyright (c) 2020, 2023, 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.arraycopy;
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import java.util.Random;
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/**
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* @test
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* @bug 8251871 8285301
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* @summary Optimize arrayCopy using AVX-512 masked instructions.
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*
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* @run main/othervm/timeout=600 -XX:-TieredCompilation -Xbatch -XX:+IgnoreUnrecognizedVMOptions
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* -XX:UseAVX=3 -XX:+UnlockDiagnosticVMOptions -XX:ArrayOperationPartialInlineSize=0 -XX:MaxVectorSize=32 -XX:+UnlockDiagnosticVMOptions
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* compiler.arraycopy.TestArrayCopyConjoint
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* @run main/othervm/timeout=600 -XX:-TieredCompilation -Xbatch -XX:+IgnoreUnrecognizedVMOptions
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* -XX:UseAVX=3 -XX:+UnlockDiagnosticVMOptions -XX:ArrayOperationPartialInlineSize=0 -XX:MaxVectorSize=64
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* compiler.arraycopy.TestArrayCopyConjoint
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* @run main/othervm/timeout=600 -XX:-TieredCompilation -Xbatch -XX:+IgnoreUnrecognizedVMOptions
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* -XX:UseAVX=3 -XX:+UnlockDiagnosticVMOptions -XX:ArrayOperationPartialInlineSize=32 -XX:+UnlockDiagnosticVMOptions -XX:MaxVectorSize=32 -XX:+UnlockDiagnosticVMOption
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* compiler.arraycopy.TestArrayCopyConjoint
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* @run main/othervm/timeout=600 -XX:-TieredCompilation -Xbatch -XX:+IgnoreUnrecognizedVMOptions
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* -XX:UseAVX=3 -XX:+UnlockDiagnosticVMOptions -XX:ArrayOperationPartialInlineSize=32 -XX:+UnlockDiagnosticVMOptions -XX:MaxVectorSize=64
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* compiler.arraycopy.TestArrayCopyConjoint
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* @run main/othervm/timeout=600 -XX:-TieredCompilation -Xbatch -XX:+IgnoreUnrecognizedVMOptions
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* -XX:UseAVX=3 -XX:+UnlockDiagnosticVMOptions -XX:ArrayOperationPartialInlineSize=64 -XX:MaxVectorSize=64
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* compiler.arraycopy.TestArrayCopyConjoint
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* @run main/othervm/timeout=600 -XX:-TieredCompilation -Xbatch -XX:+IgnoreUnrecognizedVMOptions
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* -XX:UseAVX=3 -XX:+UnlockDiagnosticVMOptions -XX:ArrayOperationPartialInlineSize=32 -XX:+UnlockDiagnosticVMOptions -XX:MaxVectorSize=32 -XX:+UnlockDiagnosticVMOption -XX:ArrayCopyLoadStoreMaxElem=16
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* compiler.arraycopy.TestArrayCopyConjoint
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* @run main/othervm/timeout=600 -XX:-TieredCompilation -Xbatch -XX:+IgnoreUnrecognizedVMOptions
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* -XX:UseAVX=3 -XX:+UnlockDiagnosticVMOptions -XX:ArrayOperationPartialInlineSize=64 -XX:MaxVectorSize=64 -XX:ArrayCopyLoadStoreMaxElem=16
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* compiler.arraycopy.TestArrayCopyConjoint
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* @run main/othervm/timeout=600 -XX:-TieredCompilation -Xbatch -XX:+UnlockExperimentalVMOptions -XX:+AlwaysAtomicAccesses
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* compiler.arraycopy.TestArrayCopyConjoint
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*
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*/
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public class TestArrayCopyConjoint {
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public static final int SIZE = 4096;
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public static byte[] fromByteArr, toByteArr, valByteArr;
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public static char[] fromCharArr, toCharArr, valCharArr;
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public static int[] fromIntArr, toIntArr, valIntArr;
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public static long[] fromLongArr, toLongArr, valLongArr;
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static public void reinit(Class<?> c) {
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if (c == byte.class) {
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for (int i = 0 ; i < SIZE ; i++) {
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fromByteArr[i] = (byte)i;
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}
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} else if (c == char.class) {
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for (int i = 0 ; i < SIZE ; i++) {
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fromCharArr[i] = (char)i;
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}
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} else if (c == int.class) {
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for (int i = 0 ; i < SIZE ; i++) {
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fromIntArr[i] = i;
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}
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} else {
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assert c == long.class;
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for (int i = 0 ; i < SIZE ; i++) {
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fromLongArr[i] = i;
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}
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}
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}
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static public void setup() {
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// Both positions aligned
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fromByteArr = new byte[SIZE];
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valByteArr = new byte[SIZE];
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toByteArr = fromByteArr;
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fromCharArr = new char[SIZE];
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valCharArr = new char[SIZE];
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toCharArr = fromCharArr;
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fromIntArr = new int[SIZE];
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valIntArr = new int[SIZE];
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toIntArr = fromIntArr;
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fromLongArr = new long[SIZE];
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valLongArr = new long[SIZE];
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toLongArr = fromLongArr;
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for (int i = 0 ; i < SIZE ; i++) {
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fromByteArr[i] = (byte)i;
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valByteArr[i] = (byte)i;
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fromCharArr[i] = (char)i;
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valCharArr[i] = (char)i;
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fromIntArr[i] = i;
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valIntArr[i] = i;
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fromLongArr[i] = i;
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valLongArr[i] = i;
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}
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}
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public static int validate_ctr = 0;
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public static <E> void validate(String msg, E arr, int length, int fromPos, int toPos) {
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validate_ctr++;
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if (arr instanceof byte []) {
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byte [] barr = (byte [])arr;
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for(int i = 0 ; i < length; i++)
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if (valByteArr[i+fromPos] != barr[i+toPos]) {
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System.out.println(msg + "[" + arr.getClass() + "] Result mismtach at i = " + i
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+ " expected = " + valByteArr[i+fromPos]
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+ " actual = " + barr[i+toPos]
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+ " fromPos = " + fromPos
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+ " toPos = " + toPos);
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throw new Error("Fail");
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}
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}
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else if (arr instanceof char []) {
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char [] carr = (char [])arr;
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for(int i = 0 ; i < length; i++)
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if (valCharArr[i+fromPos] != carr[i+toPos]) {
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System.out.println(msg + "[" + arr.getClass() + "] Result mismtach at i = " + i
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+ " expected = " + valCharArr[i+fromPos]
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+ " actual = " + carr[i+toPos]
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+ " fromPos = " + fromPos
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+ " toPos = " + toPos);
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throw new Error("Fail");
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}
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}
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else if (arr instanceof int []) {
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int [] iarr = (int [])arr;
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for(int i = 0 ; i < length; i++)
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if (valIntArr[i+fromPos] != iarr[i+toPos]) {
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System.out.println(msg + "[" + arr.getClass() + "] Result mismtach at i = " + i
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+ " expected = " + valIntArr[i+fromPos]
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+ " actual = " + iarr[i+toPos]
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+ " fromPos = " + fromPos
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+ " toPos = " + toPos);
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throw new Error("Fail");
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}
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}
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else if (arr instanceof long []) {
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long [] larr = (long [])arr;
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for(int i = 0 ; i < length; i++)
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if (valLongArr[i+fromPos] != larr[i+toPos]) {
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System.out.println(msg + "[" + arr.getClass() + "] Result mismtach at i = " + i
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+ " expected = " + valLongArr[i+fromPos]
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+ " actual = " + larr[i+toPos]
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+ " fromPos = " + fromPos
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+ " toPos = " + toPos);
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throw new Error("Fail");
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}
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}
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}
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public static void testByte(int length, int fromPos, int toPos) {
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System.arraycopy(fromByteArr, fromPos, toByteArr, toPos, length);
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validate(" Test ByteArr ", toByteArr, length, fromPos, toPos);
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}
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public static void testChar(int length, int fromPos, int toPos) {
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System.arraycopy(fromCharArr, fromPos, toCharArr, toPos, length);
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validate(" Test CharArr ", toCharArr, length, fromPos, toPos);
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}
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public static void testInt(int length, int fromPos, int toPos) {
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System.arraycopy(fromIntArr, fromPos, toIntArr, toPos, length);
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validate(" Test IntArr ", toIntArr, length, fromPos, toPos);
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}
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public static void testLong(int length, int fromPos, int toPos) {
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System.arraycopy(fromLongArr, fromPos, toLongArr, toPos, length);
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validate(" Test LongArr ", toLongArr, length, fromPos, toPos);
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}
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public static void testByte_constant_LT32B(int fromPos, int toPos) {
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System.arraycopy(fromByteArr, fromPos, toByteArr, toPos, 7);
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validate(" Test Byte constant length 7 ", toByteArr, 7, fromPos, toPos);
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}
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public static void testByte_constant_LT64B(int fromPos, int toPos) {
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System.arraycopy(fromByteArr, fromPos, toByteArr, toPos, 45);
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validate(" Test Byte constant length 45 ", toByteArr, 45, fromPos, toPos);
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}
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public static void testChar_constant_LT32B(int fromPos, int toPos) {
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System.arraycopy(fromCharArr, fromPos, toCharArr, toPos, 7);
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validate(" Test Char constant length 7 ", toCharArr, 7, fromPos, toPos);
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}
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public static void testChar_constant_LT64B(int fromPos, int toPos) {
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System.arraycopy(fromCharArr, fromPos, toCharArr, toPos, 22);
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validate(" Test Char constant length 22 ", toCharArr, 22, fromPos, toPos);
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}
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public static void testInt_constant_LT32B(int fromPos, int toPos) {
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System.arraycopy(fromIntArr, fromPos, toIntArr, toPos, 7);
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validate(" Test Int constant length 7 ", toIntArr, 7, fromPos, toPos);
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}
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public static void testInt_constant_LT64B(int fromPos, int toPos) {
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System.arraycopy(fromIntArr, fromPos, toIntArr, toPos, 11);
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validate(" Test Int constant length 11 ", toIntArr, 11, fromPos, toPos);
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}
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public static void testLong_constant_LT32B(int fromPos, int toPos) {
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System.arraycopy(fromLongArr, fromPos, toLongArr, toPos, 3);
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validate(" Test Long constant length 3 ", toLongArr, 3, fromPos, toPos);
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}
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public static void testLong_constant_LT64B(int fromPos, int toPos) {
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System.arraycopy(fromLongArr, fromPos, toLongArr, toPos, 6);
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validate(" Test Long constant length 6 ", toLongArr, 6, fromPos, toPos);
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}
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public static void main(String [] args) {
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// Cases to test each new optimized stub special blocks.
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// Cases to test new PI handling (PI32 and PI64).
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// Cases to test vectorized constant array copies for all primitive types.
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// LT32B LT64B LT96B LT128B LT160B LT192B LOOP1 LOOP2
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int [] lengths = { 29, 59, 89, 125, 159, 189, 194, 1024 };
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Random r = new Random(1024);
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setup();
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for (int i = 0 ; i < 30_000 ; i++ ) {
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int index = r.nextInt(2048);
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testByte(lengths[i % lengths.length], index , index+2);
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reinit(byte.class);
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testByte_constant_LT32B (index , index+2);
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reinit(byte.class);
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testByte_constant_LT64B (index , index+2);
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reinit(byte.class);
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testChar(lengths[i % lengths.length] >> 1, index , index+2);
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reinit(char.class);
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testChar_constant_LT32B (index , index+2);
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reinit(char.class);
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testChar_constant_LT64B (index , index+2);
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reinit(char.class);
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testInt(lengths[i % lengths.length] >> 2, index , index+2);
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reinit(int.class);
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testInt_constant_LT32B (index , index+2);
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reinit(int.class);
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testInt_constant_LT64B (index , index+2);
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reinit(int.class);
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testLong(lengths[i % lengths.length] >> 3, index , index+2);
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reinit(long.class);
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testLong_constant_LT32B (index , index+2);
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reinit(long.class);
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testLong_constant_LT64B (index , index+2);
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reinit(long.class);
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}
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}
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}
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