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annotate graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/phases/Phase.java @ 2903:eb3a82946429

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Measure nodes created and nodes deleted for nodes. New option -G:+Meter.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 08 Jun 2011 17:26:22 +0200
parents 434d71eec7a9
children 9d80049e76bd
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1 /*
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2 * Copyright (c) 2011, 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.max.graal.compiler.phases;
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24
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25 import com.oracle.max.graal.compiler.*;
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26 import com.oracle.max.graal.graph.Graph;
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27
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28 public abstract class Phase {
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29
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30 private final String name;
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31 private static final ThreadLocal<Phase> currentPhase = new ThreadLocal<Phase>();
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32
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33 public Phase() {
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34 this.name = this.getClass().getSimpleName();
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35 }
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36
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37 public Phase(String name) {
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38 this.name = name;
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39 }
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40
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41 public final void apply(Graph graph) {
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42 assert graph != null;
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43
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44 int startDeletedNodeCount = graph.getDeletedNodeCount();
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45 int startNodeCount = graph.getNodeCount();
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46 Phase oldCurrentPhase = null;
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47 if (GraalOptions.Time) {
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48 oldCurrentPhase = currentPhase.get();
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49 currentPhase.set(this);
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50 if (oldCurrentPhase != null) {
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51 GraalTimers.get(oldCurrentPhase.getName()).stop();
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52 }
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53 GraalTimers.get(getName()).start();
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54 }
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55 run(graph);
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56 if (GraalOptions.Time) {
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57 GraalTimers.get(getName()).stop();
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58 if (oldCurrentPhase != null) {
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59 GraalTimers.get(oldCurrentPhase.getName()).start();
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60 }
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61 currentPhase.set(oldCurrentPhase);
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62 }
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63 if (GraalOptions.Meter) {
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64 int deletedNodeCount = graph.getDeletedNodeCount() - startDeletedNodeCount;
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65 int createdNodeCount = graph.getNodeCount() - startNodeCount;
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66 GraalMetrics.get(getName().concat(".executed")).increment();
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67 GraalMetrics.get(getName().concat(".deletedNodes")).increment(deletedNodeCount);
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68 GraalMetrics.get(getName().concat(".createdNodes")).increment(createdNodeCount);
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69 }
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70
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71 // (Item|Graph|Phase|Value)
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72 }
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73
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74 public final String getName() {
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75 return name;
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76 }
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77
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78 protected abstract void run(Graph graph);
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79 }