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/*
* Copyright (c) 2020, 2022, 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.
*/
package compiler.arraycopy;
import java.util.Random;
/**
* @test
* @bug 8251871 8285301
* @summary Optimize arrayCopy using AVX-512 masked instructions.
*
* @run main/othervm/timeout=600 -XX:-TieredCompilation -Xbatch -XX:+IgnoreUnrecognizedVMOptions
* -XX:UseAVX=3 -XX:+UnlockDiagnosticVMOptions -XX:ArrayOperationPartialInlineSize=0 -XX:MaxVectorSize=32 -XX:+UnlockDiagnosticVMOptions
* compiler.arraycopy.TestArrayCopyDisjoint
* @run main/othervm/timeout=600 -XX:-TieredCompilation -Xbatch -XX:+IgnoreUnrecognizedVMOptions
* -XX:UseAVX=3 -XX:+UnlockDiagnosticVMOptions -XX:ArrayOperationPartialInlineSize=0 -XX:MaxVectorSize=64
* compiler.arraycopy.TestArrayCopyDisjoint
* @run main/othervm/timeout=600 -XX:-TieredCompilation -Xbatch -XX:+IgnoreUnrecognizedVMOptions
* -XX:UseAVX=3 -XX:+UnlockDiagnosticVMOptions -XX:ArrayOperationPartialInlineSize=32 -XX:+UnlockDiagnosticVMOptions -XX:MaxVectorSize=32 -XX:+UnlockDiagnosticVMOption
* compiler.arraycopy.TestArrayCopyDisjoint
* @run main/othervm/timeout=600 -XX:-TieredCompilation -Xbatch -XX:+IgnoreUnrecognizedVMOptions
* -XX:UseAVX=3 -XX:+UnlockDiagnosticVMOptions -XX:ArrayOperationPartialInlineSize=32 -XX:+UnlockDiagnosticVMOptions -XX:MaxVectorSize=64
* compiler.arraycopy.TestArrayCopyDisjoint
* @run main/othervm/timeout=600 -XX:-TieredCompilation -Xbatch -XX:+IgnoreUnrecognizedVMOptions
* -XX:UseAVX=3 -XX:+UnlockDiagnosticVMOptions -XX:ArrayOperationPartialInlineSize=64 -XX:MaxVectorSize=64
* compiler.arraycopy.TestArrayCopyDisjoint
* @run main/othervm/timeout=600 -XX:-TieredCompilation -Xbatch -XX:+IgnoreUnrecognizedVMOptions
* -XX:UseAVX=3 -XX:+UnlockDiagnosticVMOptions -XX:ArrayOperationPartialInlineSize=32 -XX:+UnlockDiagnosticVMOptions -XX:MaxVectorSize=32 -XX:+UnlockDiagnosticVMOption -XX:ArrayCopyLoadStoreMaxElem=16
* compiler.arraycopy.TestArrayCopyDisjoint
* @run main/othervm/timeout=600 -XX:-TieredCompilation -Xbatch -XX:+IgnoreUnrecognizedVMOptions
* -XX:UseAVX=3 -XX:+UnlockDiagnosticVMOptions -XX:ArrayOperationPartialInlineSize=64 -XX:MaxVectorSize=64 -XX:ArrayCopyLoadStoreMaxElem=16
* compiler.arraycopy.TestArrayCopyDisjoint
* @run main/othervm/timeout=600 -XX:-TieredCompilation -Xbatch -XX:+UnlockExperimentalVMOptions -XX:+AlwaysAtomicAccesses
* compiler.arraycopy.TestArrayCopyDisjoint
*
*/
public class TestArrayCopyDisjoint {
public static final int SIZE = 4096;
public static byte[] fromByteArr, toByteArr;
public static char[] fromCharArr, toCharArr;
public static int[] fromIntArr, toIntArr;
public static long[] fromLongArr, toLongArr;
static public void setup() {
// Both positions aligned
fromByteArr = new byte[SIZE];
toByteArr = new byte[SIZE];
fromCharArr = new char[SIZE];
toCharArr = new char[SIZE];
fromIntArr = new int[SIZE];
toIntArr = new int[SIZE];
fromLongArr = new long[SIZE];
toLongArr = new long[SIZE];
for (int i = 0 ; i < SIZE ; i++) {
fromByteArr[i] = (byte)i;
fromCharArr[i] = (char)i;
fromIntArr[i] = i;
fromLongArr[i] = i;
}
}
public static int validate_ctr = 0;
public static <E> void validate(String msg, E arr, int length, int fromPos, int toPos) {
validate_ctr++;
if (arr instanceof byte []) {
byte [] barr = (byte [])arr;
for(int i = 0 ; i < length; i++)
if (fromByteArr[i+fromPos] != barr[i+toPos]) {
System.out.println(msg + "[" + arr.getClass() + "] Result mismtach at i = " + i
+ " expected = " + fromByteArr[i+fromPos]
+ " actual = " + barr[i+toPos]
+ " fromPos = " + fromPos
+ " toPos = " + toPos);
throw new Error("Fail");
}
}
else if (arr instanceof char []) {
char [] carr = (char [])arr;
for(int i = 0 ; i < length; i++)
if (fromCharArr[i+fromPos] != carr[i+toPos]) {
System.out.println(msg + "[" + arr.getClass() + "] Result mismtach at i = " + i
+ " expected = " + fromCharArr[i+fromPos]
+ " actual = " + carr[i+toPos]
+ " fromPos = " + fromPos
+ " toPos = " + toPos);
throw new Error("Fail");
}
}
else if (arr instanceof int []) {
int [] iarr = (int [])arr;
for(int i = 0 ; i < length; i++)
if (fromIntArr[i+fromPos] != iarr[i+toPos]) {
System.out.println(msg + "[" + arr.getClass() + "] Result mismtach at i = " + i
+ " expected = " + fromIntArr[i+fromPos]
+ " actual = " + iarr[i+toPos]
+ " fromPos = " + fromPos
+ " toPos = " + toPos);
throw new Error("Fail");
}
}
else if (arr instanceof long []) {
long [] larr = (long [])arr;
for(int i = 0 ; i < length; i++)
if (fromLongArr[i+fromPos] != larr[i+toPos]) {
System.out.println(msg + "[" + arr.getClass() + "] Result mismtach at i = " + i
+ " expected = " + fromLongArr[i+fromPos]
+ " actual = " + larr[i+toPos]
+ " fromPos = " + fromPos
+ " toPos = " + toPos);
throw new Error("Fail");
}
}
}
public static void testByte(int length, int fromPos, int toPos) {
System.arraycopy(fromByteArr, fromPos, toByteArr, toPos, length);
validate(" Test ByteArr ", toByteArr, length, fromPos, toPos);
}
public static void testChar(int length, int fromPos, int toPos) {
System.arraycopy(fromCharArr, fromPos, toCharArr, toPos, length);
validate(" Test CharArr ", toCharArr, length, fromPos, toPos);
}
public static void testInt(int length, int fromPos, int toPos) {
System.arraycopy(fromIntArr, fromPos, toIntArr, toPos, length);
validate(" Test IntArr ", toIntArr, length, fromPos, toPos);
}
public static void testLong(int length, int fromPos, int toPos) {
System.arraycopy(fromLongArr, fromPos, toLongArr, toPos, length);
validate(" Test LongArr ", toLongArr, length, fromPos, toPos);
}
public static void testByte_constant_LT32B(int fromPos, int toPos) {
System.arraycopy(fromByteArr, fromPos, toByteArr, toPos, 7);
validate(" Test Byte constant length 7 ", toByteArr, 7, fromPos, toPos);
}
public static void testByte_constant_LT64B(int fromPos, int toPos) {
System.arraycopy(fromByteArr, fromPos, toByteArr, toPos, 45);
validate(" Test Byte constant length 45 ", toByteArr, 45, fromPos, toPos);
}
public static void testChar_constant_LT32B(int fromPos, int toPos) {
System.arraycopy(fromCharArr, fromPos, toCharArr, toPos, 7);
validate(" Test Char constant length 7 ", toCharArr, 7, fromPos, toPos);
}
public static void testChar_constant_LT64B(int fromPos, int toPos) {
System.arraycopy(fromCharArr, fromPos, toCharArr, toPos, 22);
validate(" Test Char constant length 22 ", toCharArr, 22, fromPos, toPos);
}
public static void testInt_constant_LT32B(int fromPos, int toPos) {
System.arraycopy(fromIntArr, fromPos, toIntArr, toPos, 7);
validate(" Test Int constant length 7 ", toIntArr, 7, fromPos, toPos);
}
public static void testInt_constant_LT64B(int fromPos, int toPos) {
System.arraycopy(fromIntArr, fromPos, toIntArr, toPos, 11);
validate(" Test Int constant length 11 ", toIntArr, 11, fromPos, toPos);
}
public static void testLong_constant_LT32B(int fromPos, int toPos) {
System.arraycopy(fromLongArr, fromPos, toLongArr, toPos, 3);
validate(" Test Long constant length 3 ", toLongArr, 3, fromPos, toPos);
}
public static void testLong_constant_LT64B(int fromPos, int toPos) {
System.arraycopy(fromLongArr, fromPos, toLongArr, toPos, 6);
validate(" Test Long constant length 6 ", toLongArr, 6, fromPos, toPos);
}
public static void main(String [] args) {
// Cases to test each new optimized stub special blocks.
// Cases to test new PI handling (PI32 and PI64).
// Cases to test vectorized constant array copies for all primitive types.
// LT32B LT64B LT96B LT128B LT160B LT192B LOOP1 LOOP2
int [] lengths = { 29, 59, 89, 125, 159, 189, 194, 1024 };
Random r = new Random(1024);
setup();
for (int i = 0 ; i < 30_000 ; i++ ) {
testByte(lengths[i % lengths.length], r.nextInt(2048) , r.nextInt(2048));
testByte_constant_LT32B (r.nextInt(2048) , r.nextInt(2048));
testByte_constant_LT64B (r.nextInt(2048) , r.nextInt(2048));
testChar(lengths[i % lengths.length] >> 1, r.nextInt(2048) , r.nextInt(2048));
testChar_constant_LT32B (r.nextInt(2048) , r.nextInt(2048));
testChar_constant_LT64B (r.nextInt(2048) , r.nextInt(2048));
testInt(lengths[i % lengths.length] >> 2, r.nextInt(2048) , r.nextInt(2048));
testInt_constant_LT32B (r.nextInt(2048) , r.nextInt(2048));
testInt_constant_LT64B (r.nextInt(2048) , r.nextInt(2048));
testLong(lengths[i % lengths.length] >> 3, r.nextInt(2048) , r.nextInt(2048));
testLong_constant_LT32B (r.nextInt(2048) , r.nextInt(2048));
testLong_constant_LT64B (r.nextInt(2048) , r.nextInt(2048));
}
}
}
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