| /* |
| * Copyright (c) 2015, 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. |
| */ |
| |
| /** |
| * @test |
| * @bug 8132081 |
| * @summary C2 support for Adler32 on SPARC |
| * |
| * @run main/othervm/timeout=600 -Xbatch compiler.intrinsics.zip.TestAdler32 -m |
| */ |
| |
| package compiler.intrinsics.zip; |
| |
| import java.nio.ByteBuffer; |
| import java.util.zip.Adler32; |
| import java.util.zip.Checksum; |
| |
| public class TestAdler32 { |
| public static void main(String[] args) { |
| int offset = Integer.getInteger("offset", 0); |
| int msgSize = Integer.getInteger("msgSize", 512); |
| boolean multi = false; |
| int iters = 20000; |
| int warmupIters = 20000; |
| |
| if (args.length > 0) { |
| if (args[0].equals("-m")) { |
| multi = true; |
| } else { |
| iters = Integer.valueOf(args[0]); |
| } |
| if (args.length > 1) { |
| warmupIters = Integer.valueOf(args[1]); |
| } |
| } |
| |
| if (multi) { |
| test_multi(warmupIters); |
| return; |
| } |
| |
| System.out.println(" offset = " + offset); |
| System.out.println("msgSize = " + msgSize + " bytes"); |
| System.out.println(" iters = " + iters); |
| |
| byte[] b = initializedBytes(msgSize, offset); |
| |
| Adler32 adler0 = new Adler32(); |
| Adler32 adler1 = new Adler32(); |
| Adler32 adler2 = new Adler32(); |
| |
| adler0.update(b, offset, msgSize); |
| |
| System.out.println("-------------------------------------------------------"); |
| |
| /* warm up */ |
| for (int i = 0; i < warmupIters; i++) { |
| adler1.reset(); |
| adler1.update(b, offset, msgSize); |
| } |
| |
| /* measure performance */ |
| long start = System.nanoTime(); |
| for (int i = 0; i < iters; i++) { |
| adler1.reset(); |
| adler1.update(b, offset, msgSize); |
| } |
| long end = System.nanoTime(); |
| double total = (double)(end - start)/1e9; // in seconds |
| double thruput = (double)msgSize*iters/1e6/total; // in MB/s |
| System.out.println("Adler32.update(byte[]) runtime = " + total + " seconds"); |
| System.out.println("Adler32.update(byte[]) throughput = " + thruput + " MB/s"); |
| |
| /* check correctness */ |
| for (int i = 0; i < iters; i++) { |
| adler1.reset(); |
| adler1.update(b, offset, msgSize); |
| if (!check(adler0, adler1)) break; |
| } |
| report("Adlers", adler0, adler1); |
| |
| System.out.println("-------------------------------------------------------"); |
| |
| ByteBuffer buf = ByteBuffer.allocateDirect(msgSize); |
| buf.put(b, offset, msgSize); |
| buf.flip(); |
| |
| /* warm up */ |
| for (int i = 0; i < warmupIters; i++) { |
| adler2.reset(); |
| adler2.update(buf); |
| buf.rewind(); |
| } |
| |
| /* measure performance */ |
| start = System.nanoTime(); |
| for (int i = 0; i < iters; i++) { |
| adler2.reset(); |
| adler2.update(buf); |
| buf.rewind(); |
| } |
| end = System.nanoTime(); |
| total = (double)(end - start)/1e9; // in seconds |
| thruput = (double)msgSize*iters/1e6/total; // in MB/s |
| System.out.println("Adler32.update(ByteBuffer) runtime = " + total + " seconds"); |
| System.out.println("Adler32.update(ByteBuffer) throughput = " + thruput + " MB/s"); |
| |
| /* check correctness */ |
| for (int i = 0; i < iters; i++) { |
| adler2.reset(); |
| adler2.update(buf); |
| buf.rewind(); |
| if (!check(adler0, adler2)) break; |
| } |
| report("Adlers", adler0, adler1); |
| |
| System.out.println("-------------------------------------------------------"); |
| } |
| |
| private static void report(String s, Checksum adler0, Checksum adler1) { |
| System.out.printf("%s: adler0 = %08x, adler1 = %08x\n", |
| s, adler0.getValue(), adler1.getValue()); |
| } |
| |
| private static boolean check(Checksum adler0, Checksum adler1) { |
| if (adler0.getValue() != adler1.getValue()) { |
| System.err.printf("ERROR: adler0 = %08x, adler1 = %08x\n", |
| adler0.getValue(), adler1.getValue()); |
| return false; |
| } |
| return true; |
| } |
| |
| private static byte[] initializedBytes(int M, int offset) { |
| byte[] bytes = new byte[M + offset]; |
| for (int i = 0; i < offset; i++) { |
| bytes[i] = (byte) i; |
| } |
| for (int i = offset; i < bytes.length; i++) { |
| bytes[i] = (byte) (i - offset); |
| } |
| return bytes; |
| } |
| |
| private static void test_multi(int iters) { |
| int len1 = 8; // the 8B/iteration loop |
| int len2 = 32; // the 32B/iteration loop |
| int len3 = 4096; // the 4KB/iteration loop |
| |
| byte[] b = initializedBytes(len3*16, 0); |
| int[] offsets = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 16, 32, 64, 128, 256, 512 }; |
| int[] sizes = { 0, 1, 2, 3, 4, 5, 6, 7, |
| len1, len1+1, len1+2, len1+3, len1+4, len1+5, len1+6, len1+7, |
| len1*2, len1*2+1, len1*2+3, len1*2+5, len1*2+7, |
| len2, len2+1, len2+3, len2+5, len2+7, |
| len2*2, len2*4, len2*8, len2*16, len2*32, len2*64, |
| len3, len3+1, len3+3, len3+5, len3+7, |
| len3*2, len3*4, len3*8, |
| len1+len2, len1+len2+1, len1+len2+3, len1+len2+5, len1+len2+7, |
| len1+len3, len1+len3+1, len1+len3+3, len1+len3+5, len1+len3+7, |
| len2+len3, len2+len3+1, len2+len3+3, len2+len3+5, len2+len3+7, |
| len1+len2+len3, len1+len2+len3+1, len1+len2+len3+3, |
| len1+len2+len3+5, len1+len2+len3+7, |
| (len1+len2+len3)*2, (len1+len2+len3)*2+1, (len1+len2+len3)*2+3, |
| (len1+len2+len3)*2+5, (len1+len2+len3)*2+7, |
| (len1+len2+len3)*3, (len1+len2+len3)*3-1, (len1+len2+len3)*3-3, |
| (len1+len2+len3)*3-5, (len1+len2+len3)*3-7 }; |
| Adler32[] adler0 = new Adler32[offsets.length*sizes.length]; |
| Adler32[] adler1 = new Adler32[offsets.length*sizes.length]; |
| int i, j, k; |
| |
| System.out.printf("testing %d cases ...\n", offsets.length*sizes.length); |
| |
| /* set the result from interpreter as reference */ |
| for (i = 0; i < offsets.length; i++) { |
| for (j = 0; j < sizes.length; j++) { |
| adler0[i*sizes.length + j] = new Adler32(); |
| adler1[i*sizes.length + j] = new Adler32(); |
| adler0[i*sizes.length + j].update(b, offsets[i], sizes[j]); |
| } |
| } |
| |
| /* warm up the JIT compiler and get result */ |
| for (k = 0; k < iters; k++) { |
| for (i = 0; i < offsets.length; i++) { |
| for (j = 0; j < sizes.length; j++) { |
| adler1[i*sizes.length + j].reset(); |
| adler1[i*sizes.length + j].update(b, offsets[i], sizes[j]); |
| } |
| } |
| } |
| |
| /* check correctness */ |
| for (i = 0; i < offsets.length; i++) { |
| for (j = 0; j < sizes.length; j++) { |
| if (!check(adler0[i*sizes.length + j], adler1[i*sizes.length + j])) { |
| System.out.printf("offsets[%d] = %d", i, offsets[i]); |
| System.out.printf("\tsizes[%d] = %d\n", j, sizes[j]); |
| } |
| } |
| } |
| } |
| } |