author | wenzelm |
Wed, 01 Dec 2010 20:34:40 +0100 | |
changeset 40848 | 8662b9b1f123 |
parent 40393 | 2bb7ec08574a |
child 40852 | aee98c88c587 |
permissions | -rw-r--r-- |
40393 | 1 |
/* Title: Pure/General/timing.scala |
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Author: Makarius |
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Basic support for time measurement. |
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*/ |
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package isabelle |
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40848
8662b9b1f123
more abstract/uniform handling of time, preferring seconds as Double;
wenzelm
parents:
40393
diff
changeset
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object Time |
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{ |
40848
8662b9b1f123
more abstract/uniform handling of time, preferring seconds as Double;
wenzelm
parents:
40393
diff
changeset
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def seconds(s: Double): Time = new Time((s * 1000.0) round) |
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} |
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40848
8662b9b1f123
more abstract/uniform handling of time, preferring seconds as Double;
wenzelm
parents:
40393
diff
changeset
|
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class Time(val ms: Long) |
8662b9b1f123
more abstract/uniform handling of time, preferring seconds as Double;
wenzelm
parents:
40393
diff
changeset
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{ |
8662b9b1f123
more abstract/uniform handling of time, preferring seconds as Double;
wenzelm
parents:
40393
diff
changeset
|
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def seconds: Double = ms / 1000.0 |
8662b9b1f123
more abstract/uniform handling of time, preferring seconds as Double;
wenzelm
parents:
40393
diff
changeset
|
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override def toString = |
8662b9b1f123
more abstract/uniform handling of time, preferring seconds as Double;
wenzelm
parents:
40393
diff
changeset
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String.format(java.util.Locale.ROOT, "%.3f", seconds.asInstanceOf[AnyRef]) |
8662b9b1f123
more abstract/uniform handling of time, preferring seconds as Double;
wenzelm
parents:
40393
diff
changeset
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def message: String = toString + "s" |
8662b9b1f123
more abstract/uniform handling of time, preferring seconds as Double;
wenzelm
parents:
40393
diff
changeset
|
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} |
8662b9b1f123
more abstract/uniform handling of time, preferring seconds as Double;
wenzelm
parents:
40393
diff
changeset
|
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8662b9b1f123
more abstract/uniform handling of time, preferring seconds as Double;
wenzelm
parents:
40393
diff
changeset
|
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class Timing(val elapsed: Time, val cpu: Time, val gc: Time) |
8662b9b1f123
more abstract/uniform handling of time, preferring seconds as Double;
wenzelm
parents:
40393
diff
changeset
|
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{ |
8662b9b1f123
more abstract/uniform handling of time, preferring seconds as Double;
wenzelm
parents:
40393
diff
changeset
|
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def message: String = |
8662b9b1f123
more abstract/uniform handling of time, preferring seconds as Double;
wenzelm
parents:
40393
diff
changeset
|
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elapsed.message + " elapsed time, " + cpu.message + " cpu time, " + gc.message + " GC time" |
8662b9b1f123
more abstract/uniform handling of time, preferring seconds as Double;
wenzelm
parents:
40393
diff
changeset
|
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override def toString = message |
8662b9b1f123
more abstract/uniform handling of time, preferring seconds as Double;
wenzelm
parents:
40393
diff
changeset
|
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} |
8662b9b1f123
more abstract/uniform handling of time, preferring seconds as Double;
wenzelm
parents:
40393
diff
changeset
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