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Add binary-trees benchmark from shootout

db4
Slava Pestov 2008-04-20 06:28:18 -05:00
parent 8ce5760fcc
commit 7dd8ca150e
1 changed files with 9 additions and 3 deletions
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extra/benchmark/binary-trees/binary-trees.factor
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@ -28,7 +28,7 @@ M: f item-check drop 0 ;
: stretch-tree ( max-depth -- )
1 + 0 over bottom-up-tree item-check
[ "stretch tree of depth " write pprint ]
[ "\t check: " write ] bi* ;
[ "\t check: " write . ] bi* ;
:: long-lived-tree ( max-depth -- )
0 max-depth bottom-up-tree
@ -36,8 +36,8 @@ M: f item-check drop 0 ;
min-depth max-depth 2 <range> [| depth |
max-depth depth - min-depth + 2^ [
[1,b] 0 [
[ depth ] [ depth neg ] bi
[ bottom-up-tree item-check + ] 2bi@
dup neg
[ depth bottom-up-tree item-check + ] bi@
] reduce
]
[ 2 * ] bi
@ -47,3 +47,9 @@ M: f item-check drop 0 ;
"long lived tree of depth " write max-depth pprint
"\t check: " write item-check . ;
: binary-trees ( n -- )
min-depth 2 + max [ stretch-tree ] [ long-lived-tree ] bi ;
: binary-trees-main ( -- )
16 binary-trees ;