50 lines
1.8 KiB
JavaScript
50 lines
1.8 KiB
JavaScript
/*
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* Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* JDK-8046026: CompiledFunction.relinkComposableInvoker assert is being hit
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* JDK-8044770: crash with jdk9-dev/nashorn during global object initialization from MT test
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* JDK-8047770: NPE in deoptimizing recompilation in multithreaded
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*
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* @test
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* @run
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*/
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(function() {
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var n = 1 << 25;
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var ThreadLocalRandom = java.util.concurrent.ThreadLocalRandom;
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var m = java.util.stream.IntStream.range(0, n)
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.parallel() // this is the essence of this test. We must trigger parallel execution
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.filter(function() {
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var tlr = ThreadLocalRandom.current();
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var x = tlr.nextDouble(-1.0, 1.0);
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var y = tlr.nextDouble(-1.0, 1.0);
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return x * x + y * y <= 1.0;
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})
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.count();
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var pi = (4.0 * m) / n;
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print(pi.toFixed(2));
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})()
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