factor/extra/reports/optimizer/optimizer.factor

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Factor
Executable File

! Copyright (C) 2008 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors assocs words sequences arrays compiler
tools.time io.styles io prettyprint vocabs kernel sorting
generator optimizer math math.order math.statistics combinators ;
IN: report.optimizer
: count-optimization-passes ( nodes n -- n )
>r optimize-1
[ r> 1+ count-optimization-passes ] [ drop r> ] if ;
: table. ( alist -- )
20 short tail*
standard-table-style
[
[ [ [ pprint-cell ] each ] with-row ] each
] tabular-output ;
: results ( results quot title -- )
print
[ second ] prepose
[ [ compare ] curry sort table. ]
[
map
[ "Mean: " write mean >float . ]
[ "Median: " write median >float . ]
[ "Standard deviation: " write std >float . ]
tri
] 2bi ; inline
: optimizer-measurements ( -- alist )
all-words [ compiled>> ] filter
[
dup [
word-dataflow nip 1 count-optimization-passes
] benchmark 2array
] { } map>assoc ;
: optimizer-measurements. ( alist -- )
{
[ [ first ] "Optimizer passes:" results ]
[ [ second ] "Compile times:" results ]
} cleave ;
: optimizer-report ( -- )
optimizer-measurements optimizer-measurements. ;
MAIN: optimizer-report