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Rewrite of collect-benchmarks in ave-time vocab

db4
Aaron Schaefer 2008-11-03 22:56:32 -05:00
parent 9d06315809
commit e923ec16d3
1 changed files with 9 additions and 8 deletions
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extra/project-euler/ave-time/ave-time.factor
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@ -1,20 +1,21 @@
! Copyright (c) 2007 Aaron Schaefer.
! See http://factorcode.org/license.txt for BSD license.
USING: continuations io kernel math math.functions math.parser math.statistics
namespaces make tools.time ;
USING: continuations fry io kernel make math math.functions math.parser
math.statistics memory tools.time ;
IN: project-euler.ave-time
: collect-benchmarks ( quot n -- seq )
[
>r >r datastack r> [ benchmark , ] curry tuck
[ with-datastack drop ] 2curry r> swap times call
] { } make ;
[
[ datastack ]
[ '[ _ gc benchmark , ] tuck '[ _ _ with-datastack drop ] ]
[ 1- ] tri* swap times call
] { } make ;
: nth-place ( x n -- y )
10 swap ^ [ * round ] keep / ;
: ave-time ( quot n -- )
[ collect-benchmarks ] keep
swap [ std 2 nth-place ] [ mean round ] bi [
[ collect-benchmarks ] keep swap
[ std 2 nth-place ] [ mean round ] bi [
# " ms ave run time - " % # " SD (" % # " trials)" %
] "" make print flush ; inline