Mercurial > hg > graal-compiler
view graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/CounterAndTimeBasedCompilationPolicy.java @ 22303:7ddff90cca15
LinearScanResolveDataFlowPhase: split up #resolveDataFlow.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Tue, 21 Jul 2015 11:36:41 +0200 |
parents | a65c1032f400 |
children | 05183a084a08 |
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/* * Copyright (c) 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. */ package com.oracle.graal.truffle; import static com.oracle.graal.truffle.TruffleCompilerOptions.*; import com.oracle.truffle.api.*; public class CounterAndTimeBasedCompilationPolicy extends CounterBasedCompilationPolicy { @Override public boolean shouldCompile(CompilationProfile profile, CompilerOptions options) { if (super.shouldCompile(profile, options)) { long threshold = TruffleTimeThreshold.getValue(); if (options instanceof GraalCompilerOptions) { threshold = Math.max(threshold, ((GraalCompilerOptions) options).getMinTimeThreshold()); } long time = profile.getTimestamp(); if (time == 0) { throw new AssertionError(); } long timeElapsed = System.nanoTime() - time; if (timeElapsed > threshold * 1_000_000) { profile.deferCompilation(); return false; } return true; } else { return false; } } }