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annotate graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/C1XTimers.java @ 2874:d90bf514d647

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Renamed packages.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 08 Jun 2011 08:59:54 +0200
parents graal/com.oracle.max.graal.compiler/src/com/sun/c1x/C1XTimers.java@0341b6424579
children
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1 /*
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2 * Copyright (c) 2009, 2009, 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;
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24
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25 import com.oracle.max.graal.compiler.debug.*;
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26
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27 /**
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28 * This class contains timers that record the amount of time spent in various
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29 * parts of the compiler.
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30 *
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31 * @author Christian Wimmer
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32 */
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33 public enum C1XTimers {
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34 HIR_CREATE("Create HIR"),
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35 HIR_OPTIMIZE("Optimize HIR"),
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36 NCE("Nullcheck elimination"),
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37 LIR_CREATE("Create LIR"),
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38 LIFETIME_ANALYSIS("Lifetime Analysis"),
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39 LINEAR_SCAN("Linear Scan"),
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40 RESOLUTION("Resolution"),
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41 DEBUG_INFO("Create Debug Info"),
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42 CODE_CREATE("Create Code");
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43
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44 private final String name;
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45 private long start;
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46 private long total;
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47
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48 private C1XTimers(String name) {
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49 this.name = name;
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50 }
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51
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52 public void start() {
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53 start = System.nanoTime();
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54 }
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55
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56 public void stop() {
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57 total += System.nanoTime() - start;
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58 }
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59
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60 public static void reset() {
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61 for (C1XTimers t : values()) {
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62 t.total = 0;
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63 }
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64 }
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65
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66 public static void print() {
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67 long total = 0;
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68 for (C1XTimers timer : C1XTimers.values()) {
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69 total += timer.total;
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70 }
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71 if (total == 0) {
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72 return;
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73 }
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74
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75 TTY.println();
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76 for (C1XTimers timer : C1XTimers.values()) {
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77 TTY.println("%-20s: %7.4f s (%5.2f%%)", timer.name, timer.total / 1000000000.0, timer.total * 100.0 / total);
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78 timer.total = 0;
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79 }
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80 TTY.println();
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81 }
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82 }