| /* |
| * Copyright (c) 2010, 2014, 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. |
| */ |
| |
| /** |
| * JDK-8046026: CompiledFunction.relinkComposableInvoker assert is being hit |
| * JDK-8044770: crash with jdk9-dev/nashorn during global object initialization from MT test |
| * JDK-8047770: NPE in deoptimizing recompilation in multithreaded |
| * |
| * @test |
| * @run |
| */ |
| |
| (function() { |
| var n = 1 << 25; |
| var ThreadLocalRandom = java.util.concurrent.ThreadLocalRandom; |
| var m = java.util.stream.IntStream.range(0, n) |
| .parallel() // this is the essence of this test. We must trigger parallel execution |
| .filter(function() { |
| var tlr = ThreadLocalRandom.current(); |
| |
| var x = tlr.nextDouble(-1.0, 1.0); |
| var y = tlr.nextDouble(-1.0, 1.0); |
| |
| return x * x + y * y <= 1.0; |
| }) |
| .count(); |
| var pi = (4.0 * m) / n; |
| print(pi.toFixed(2)); |
| })() |