| 1 | package tuffy.util; |
| 2 | import java.text.DateFormat; |
| 3 | import java.text.SimpleDateFormat; |
| 4 | import java.util.ArrayList; |
| 5 | import java.util.Date; |
| 6 | import java.util.Hashtable; |
| 7 | |
| 8 | /** |
| 9 | * Container of time related utilities. |
| 10 | */ |
| 11 | public class Timer { |
| 12 | |
| 13 | private static long birth = now(); |
| 14 | private static Hashtable<String, Long> points = new Hashtable<String, Long>(); |
| 15 | |
| 16 | private static long secondInMillis = 1000; |
| 17 | private static long minuteInMillis = secondInMillis * 60; |
| 18 | |
| 19 | /** |
| 20 | * Resets the global starting point of the Timer. |
| 21 | */ |
| 22 | public static void resetClock() { |
| 23 | birth = now(); |
| 24 | } |
| 25 | |
| 26 | public static String getDateTime(){ |
| 27 | DateFormat df = new SimpleDateFormat("H:mm:ss M/d/yy"); |
| 28 | return df.format(new Date()); |
| 29 | } |
| 30 | |
| 31 | /** |
| 32 | * Kicks off a timer with the given name. |
| 33 | */ |
| 34 | public static void start(String name) { |
| 35 | points.put(name, now()); |
| 36 | } |
| 37 | |
| 38 | /** |
| 39 | * Returns the elapsed time of the timer with the given name. |
| 40 | * The format is [XX minutes, YYseconds]. |
| 41 | */ |
| 42 | public static String elapsed(String name) { |
| 43 | if(!points.containsKey(name)) { |
| 44 | return "[UNKNOWN TIMER]"; |
| 45 | }else { |
| 46 | long diff = now() - points.get(name); |
| 47 | return readTime(diff); |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | /** |
| 52 | * Returns the number of elapsed seconds of a given timer; |
| 53 | * -1 if the timer is unknown. |
| 54 | * @param name the name of the timer |
| 55 | */ |
| 56 | public static double elapsedSeconds(String name) { |
| 57 | if(!points.containsKey(name)) { |
| 58 | return -1; |
| 59 | }else { |
| 60 | long diff = now() - points.get(name); |
| 61 | return (diff / 1000); |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | public static double elapsedMilliSeconds(String name) { |
| 66 | if(!points.containsKey(name)) { |
| 67 | return -1; |
| 68 | }else { |
| 69 | long diff = now() - points.get(name); |
| 70 | return diff; |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Returns the number of elapsed seconds since last clock reset. |
| 76 | */ |
| 77 | public static double elapsedSeconds() { |
| 78 | long diff = now() - birth; |
| 79 | return (diff / 1000.0); |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * Prints the elapsed time since last clock reset. |
| 84 | * The format is TIMER: [XX minutes, YYseconds]. |
| 85 | */ |
| 86 | public static void printElapsed() { |
| 87 | UIMan.println("TIMER: " + elapsed()); |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * Prints the elapsed time of the timer with the given name. |
| 92 | * The format is TIMER name: [XX minutes, YYseconds]. |
| 93 | */ |
| 94 | public static void printElapsed(String name) { |
| 95 | UIMan.println("TIMER " + name + ": " + elapsed(name)); |
| 96 | } |
| 97 | |
| 98 | private static long now() { |
| 99 | return System.currentTimeMillis(); |
| 100 | } |
| 101 | |
| 102 | /** |
| 103 | * Returns a string of elapsed time. |
| 104 | */ |
| 105 | public static String elapsed() { |
| 106 | return readTime(now() - birth); |
| 107 | } |
| 108 | |
| 109 | private static String readTime(long timeIntervalInMS) { |
| 110 | long min = timeIntervalInMS / minuteInMillis; |
| 111 | long sec = timeIntervalInMS / secondInMillis % 60; |
| 112 | long mm = timeIntervalInMS % 1000; |
| 113 | String t = String.format("[%d min, %d.%03d sec]", min, sec, mm); |
| 114 | return t; |
| 115 | } |
| 116 | |
| 117 | public static RunStat runStat = new RunStat(); |
| 118 | |
| 119 | public static class RunStat{ |
| 120 | public double groundSec = 0; |
| 121 | public double inferSec = 0; |
| 122 | public double inferOps = 0; |
| 123 | public long effectiveSteps = 0; |
| 124 | |
| 125 | public ArrayList<Double> turns = new ArrayList<Double>(); |
| 126 | public ArrayList<Double> costs = new ArrayList<Double>(); |
| 127 | |
| 128 | public void addTurn(double cost){ |
| 129 | turns.add(Timer.elapsedSeconds()); |
| 130 | costs.add(cost); |
| 131 | } |
| 132 | |
| 133 | public double getGroundTime(){ |
| 134 | return groundSec; |
| 135 | } |
| 136 | |
| 137 | public double getFlipRate(){ |
| 138 | return inferOps / inferSec; |
| 139 | } |
| 140 | |
| 141 | public void markGroundingDone(){ |
| 142 | groundSec = Timer.elapsedSeconds(); |
| 143 | } |
| 144 | |
| 145 | public void markInferDone(){ |
| 146 | inferSec = Timer.elapsedSeconds() - groundSec; |
| 147 | } |
| 148 | |
| 149 | public void setInferOps(long ops){ |
| 150 | inferOps = ops; |
| 151 | } |
| 152 | |
| 153 | public void report(){ |
| 154 | System.out.println("============================"); |
| 155 | boolean report_trace = false; |
| 156 | if(report_trace){ |
| 157 | System.out.println("Trace:"); |
| 158 | for(int i=0; i<turns.size(); i++){ |
| 159 | System.out.println(turns.get(i) + "\t" + costs.get(i)); |
| 160 | } |
| 161 | } |
| 162 | System.out.println("Total run-time = " + UIMan.comma(groundSec + inferSec) + " sec"); |
| 163 | System.out.println("Ground time = " + UIMan.comma(groundSec) + " sec"); |
| 164 | System.out.println("Inference time = " + UIMan.comma(inferSec) + " sec"); |
| 165 | //System.out.println("Flip rate = " + getFlipRate()); |
| 166 | System.out.println("Effective #flips in MAP inference = " + UIMan.comma(effectiveSteps)); |
| 167 | System.out.println("Base memory = " + UIMan.comma(DebugMan.getBaseMem()) + " bytes"); |
| 168 | System.out.println("Peak memory = " + UIMan.comma(DebugMan.getPeakMem()) + " bytes"); |
| 169 | System.out.println("============================"); |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | } |