/* * 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)); })()