https://sourceforge.net/p/runtimes/wiki/Home/Recent changes to HomeenWed, 20 Jul 2011 14:52:53 -0000https://sourceforge.net/p/runtimes/wiki/Home/<pre>--- v3 +++ v4 @@ -3,5 +3,5 @@ The *runtimes* command works similar to the standard Unix time(1) command, but it runs a program several times instead of once. +* [FAQ](FAQ) - Frequently Asked Questions + [Portability](Portability) - the program has been compiled and tested on these platforms -+ [FAQ](FAQ) - Frequently Asked Questions </pre>HeinerWed, 20 Jul 2011 14:52:53 -0000https://sourceforge.net2203ad5dfa7bba59d2d8cddeccde78b4d025db2fhttps://sourceforge.net/p/runtimes/wiki/Home/<pre>--- v2 +++ v3 @@ -1,27 +1,7 @@ runtimes - run a command several times, print statistics ======================================================== -The *runtimes* command works similar to the standard Unix time(1) command, but it runs a program several times instead of once. Example: - - $ runtimes -n3 -v sleep 1 - 3 runs real user sys - #1 1.001102 0.000000 0.000000 - #2 1.001155 0.000000 0.000000 - #3 1.001154 0.000000 0.000000 - totals 3.003411 0.000000 0.000000 - - average 1.001137 0.000000 0.000000 - variance 0.000000 0.000000 0.000000 - stddev 0.000030 0.000000 0.000000 - -The variance and standard deviation values allow finding time-variant behaviour like caching effects. Example: - - $ runtimes -n3 find /usr - 3 runs real user sys - totals 59.662466 0.680042 3.092193 - - average 19.887489 0.226681 1.030731 - variance 1101.982493 0.003750 0.826029 - stddev 33.196122 0.061235 0.908861 - -The large values for variance and stddev show that the find command does not always run in the same time, but has large differences in the run time. In this case (although we do not see it from the data) the first run was slow, the following two runs were fast because of the operating system caching the file information. +The *runtimes* command works similar to the standard Unix time(1) command, but it runs a program several times instead of once. + ++ [Portability](Portability) - the program has been compiled and tested on these platforms ++ [FAQ](FAQ) - Frequently Asked Questions </pre>HeinerWed, 20 Jul 2011 14:07:06 -0000https://sourceforge.net1b71624c7713aba27f927415b9b8330061102e32https://sourceforge.net/p/runtimes/wiki/Home/<pre>--- v1 +++ v2 @@ -1,5 +1,27 @@ -Welcome to your wiki! - -This is the default page, edit it as you see fit. To add a page simply reference it within brackets, e.g.: [SamplePage]. - -The wiki uses [Markdown](/p/runtimes/wiki/markdown_syntax/) syntax. +runtimes - run a command several times, print statistics +======================================================== + +The *runtimes* command works similar to the standard Unix time(1) command, but it runs a program several times instead of once. Example: + + $ runtimes -n3 -v sleep 1 + 3 runs real user sys + #1 1.001102 0.000000 0.000000 + #2 1.001155 0.000000 0.000000 + #3 1.001154 0.000000 0.000000 + totals 3.003411 0.000000 0.000000 + + average 1.001137 0.000000 0.000000 + variance 0.000000 0.000000 0.000000 + stddev 0.000030 0.000000 0.000000 + +The variance and standard deviation values allow finding time-variant behaviour like caching effects. Example: + + $ runtimes -n3 find /usr + 3 runs real user sys + totals 59.662466 0.680042 3.092193 + + average 19.887489 0.226681 1.030731 + variance 1101.982493 0.003750 0.826029 + stddev 33.196122 0.061235 0.908861 + +The large values for variance and stddev show that the find command does not always run in the same time, but has large differences in the run time. In this case (although we do not see it from the data) the first run was slow, the following two runs were fast because of the operating system caching the file information. </pre>HeinerWed, 20 Jul 2011 13:45:53 -0000https://sourceforge.net5096f54752cf80d309505b180f5c52af535dcb12https://sourceforge.net/p/runtimes/wiki/Home/Welcome to your wiki! This is the default page, edit it as you see fit. To add a page simply reference it within brackets, e.g.: [SamplePage]. The wiki uses [Markdown](/p/runtimes/wiki/markdown_syntax/) syntax. HeinerTue, 19 Jul 2011 16:50:14 -0000https://sourceforge.net7c98833191b6ac18e6d46ec30ce81725acb28012