-! Copyright (c) 2007 Aaron Schaefer
+! Copyright (c) 2007, 2008 Aaron Schaefer.
! See http://factorcode.org/license.txt for BSD license.
-USING: arrays combinators io kernel math math.functions math.parser
- math.statistics namespaces sequences tools.time ;
+USING: combinators.smart formatting io kernel math math.functions
+math.statistics memory sequences 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 ;
+MACRO: collect-benchmarks ( quot n -- seq )
+ swap '[ _ [ [ [ _ nullary ] preserving ] gc benchmark 6 10^ / ] replicate ] ;
: ave-time ( quot n -- )
- [ collect-benchmarks ] keep swap mean round [
- # " ms run time - " % # " trials" %
- ] "" make print flush ; inline
+ [
+ collect-benchmarks
+ [ mean round >integer ]
+ [ std ] bi
+ ] keep
+ "%d ms ave run time - %.2f SD (%d trials)\n" printf flush ; inline