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Re^2: Why is "for" much slower than "while"?by Xiong (Hermit) |
| on Jan 24, 2010 at 00:08 UTC ( [id://819261]=note: print w/replies, xml ) | Need Help?? |
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My results from gam3's script, second version:
/dev/null
Rate for whyfor while while_list for_list
for 280029/s -- -16% -17% -73% -74%
whyfor 333697/s 19% -- -1% -68% -69%
while 338448/s 21% 1% -- -68% -69%
while_list 1050567/s 275% 215% 210% -- -3%
for_list 1079903/s 286% 224% 219% 3% --
/usr/share/dict/words
Rate for whyfor while_list while for_list
for 3.67/s -- -39% -41% -42% -51%
whyfor 5.99/s 63% -- -4% -5% -21%
while_list 6.26/s 71% 5% -- -0% -17%
while 6.27/s 71% 5% 0% -- -17%
for_list 7.56/s 106% 26% 21% 21% --
/etc/passwd
Rate whyfor for while_list while for_list
whyfor 13584/s -- -13% -17% -30% -56%
for 15664/s 15% -- -5% -19% -49%
while_list 16411/s 21% 5% -- -15% -47%
while 19273/s 42% 23% 17% -- -38%
for_list 30882/s 127% 97% 88% 60% --
In Section
Seekers of Perl Wisdom
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