Mercurial > hg > truffle
view test/compiler/7192963/TestFloatVect.java @ 10246:194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
Summary: Refactor G1's hot card cache and card counts table into their own files. Simplify the card counts table, including removing the encoding of the card index in each entry. The card counts table now has a 1:1 correspondence with the cards spanned by heap. Space for the card counts table is reserved from virtual memory (rather than C heap) during JVM startup and is committed/expanded when the heap is expanded. Changes were also reviewed-by Vitaly Davidovich.
Reviewed-by: tschatzl, jmasa
author | johnc |
---|---|
date | Thu, 09 May 2013 11:16:39 -0700 |
parents | 5af51c882207 |
children |
line wrap: on
line source
/* * Copyright (c) 2012, 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 7192963 * @summary assert(_in[req-1] == this) failed: Must pass arg count to 'new' * * @run main/othervm/timeout=400 -Xbatch -Xmx64m TestFloatVect */ public class TestFloatVect { private static final int ARRLEN = 997; private static final int ITERS = 11000; public static void main(String args[]) { System.out.println("Testing Float vectors"); int errn = test(); if (errn > 0) { System.err.println("FAILED: " + errn + " errors"); System.exit(97); } System.out.println("PASSED"); } static int test() { float[] a0 = new float[ARRLEN]; float[] a1 = new float[ARRLEN]; // Initialize for (int i=0; i<ARRLEN; i++) { a1[i] = (float)i; } System.out.println("Warmup"); for (int i=0; i<ITERS; i++) { test_init(a0); test_addi(a0, a1); test_divi(a0, a1); test_unrl_init(a0); test_unrl_addi(a0, a1); test_unrl_divi(a0, a1); } // Test and verify results System.out.println("Verification"); int errn = 0; { test_init(a0); for (int i=0; i<ARRLEN; i++) { errn += verify("test_init: ", i, a0[i], (float)(i&3)); } test_addi(a0, a1); for (int i=0; i<ARRLEN; i++) { errn += verify("test_addi: ", i, a0[i], (float)(i+(i&3))); } test_divi(a0, a1); for (int i=0; i<ARRLEN; i++) { errn += verify("test_divi: ", i, a0[i], (float)i/(float)((i&3)+1)); } test_unrl_init(a0); for (int i=0; i<ARRLEN; i++) { errn += verify("test_unrl_init: ", i, a0[i], (float)(i&3)); } test_unrl_addi(a0, a1); for (int i=0; i<ARRLEN; i++) { errn += verify("test_unrl_addi: ", i, a0[i], (float)(i+(i&3))); } test_unrl_divi(a0, a1); for (int i=0; i<ARRLEN; i++) { errn += verify("test_unrl_divi: ", i, a0[i], (float)i/(float)((i&3)+1)); } } if (errn > 0) return errn; System.out.println("Time"); long start, end; start = System.currentTimeMillis(); for (int i=0; i<ITERS; i++) { test_init(a0); } end = System.currentTimeMillis(); System.out.println("test_init: " + (end - start)); start = System.currentTimeMillis(); for (int i=0; i<ITERS; i++) { test_addi(a0, a1); } end = System.currentTimeMillis(); System.out.println("test_addi: " + (end - start)); start = System.currentTimeMillis(); for (int i=0; i<ITERS; i++) { test_divi(a0, a1); } end = System.currentTimeMillis(); System.out.println("test_divi: " + (end - start)); start = System.currentTimeMillis(); for (int i=0; i<ITERS; i++) { test_unrl_init(a0); } end = System.currentTimeMillis(); System.out.println("test_unrl_init: " + (end - start)); start = System.currentTimeMillis(); for (int i=0; i<ITERS; i++) { test_unrl_addi(a0, a1); } end = System.currentTimeMillis(); System.out.println("test_unrl_addi: " + (end - start)); start = System.currentTimeMillis(); for (int i=0; i<ITERS; i++) { test_unrl_divi(a0, a1); } end = System.currentTimeMillis(); System.out.println("test_unrl_divi: " + (end - start)); return errn; } static void test_init(float[] a0) { for (int i = 0; i < a0.length; i+=1) { a0[i] = (float)(i&3); } } static void test_addi(float[] a0, float[] a1) { for (int i = 0; i < a0.length; i+=1) { a0[i] = a1[i]+(float)(i&3); } } static void test_divi(float[] a0, float[] a1) { for (int i = 0; i < a0.length; i+=1) { a0[i] = a1[i]/(float)((i&3)+1); } } static void test_unrl_init(float[] a0) { int i = 0; for (; i < a0.length-4; i+=4) { a0[i+0] = 0.f; a0[i+1] = 1.f; a0[i+2] = 2.f; a0[i+3] = 3.f; } for (; i < a0.length; i++) { a0[i] = (float)(i&3); } } static void test_unrl_addi(float[] a0, float[] a1) { int i = 0; for (; i < a0.length-4; i+=4) { a0[i+0] = a1[i+0]+0.f; a0[i+1] = a1[i+1]+1.f; a0[i+2] = a1[i+2]+2.f; a0[i+3] = a1[i+3]+3.f; } for (; i < a0.length; i++) { a0[i] = a1[i]+(float)(i&3); } } static void test_unrl_divi(float[] a0, float[] a1) { int i = 0; for (; i < a0.length-4; i+=4) { a0[i+0] = a1[i+0]/1.f; a0[i+1] = a1[i+1]/2.f; a0[i+2] = a1[i+2]/3.f; a0[i+3] = a1[i+3]/4.f; } for (; i < a0.length; i++) { a0[i] = a1[i]/(float)((i&3)+1); } } static int verify(String text, int i, float elem, float val) { if (elem != val) { System.err.println(text + "[" + i + "] = " + elem + " != " + val); return 1; } return 0; } }