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Re: 5.10.0 regex slowdown

by rhesa (Vicar)
on Feb 21, 2008 at 00:54 UTC ( #669154=note: print w/replies, xml ) Need Help??


in reply to 5.10.0 regex slowdown

I'm not even going to pretend having knowledge of the regex engine, but I'm happy to do the gruntwork :-)

Confirmed on Debian Etch amd64 with a built-from-source perl 5.10.0:

rhesa@apollo64:~/devel/test/pm$ perl -s 669148 -S=1e6 -N=13104 | wc -l Trying 13104 probes with perl 5.010000 at 669148 line 18. 1203554358 at 669148 line 20. 1203554362 at 669148 line 27. 11376 rhesa@apollo64:~/devel/test/pm$ perl -s 669148 -S=1e6 -N=13105 | wc -l Trying 13105 probes with perl 5.010000 at 669148 line 18. 1203554370 at 669148 line 20. ^C after about 500 seconds
And on a 32 bits build under CentOS 4.x:
[rhesa@mp-cent-07 tmp]$ /opt/perl5.10/bin/perl -s 669148 -S=1e6 -N=131 +04 | wc -l Trying 13104 probes with perl 5.010000 at 669148 line 18. 1203554602 at 669148 line 20. 1203554606 at 669148 line 27. 11376 [rhesa@mp-cent-07 tmp]$ /opt/perl5.10/bin/perl -s 669148 -S=1e6 -N=131 +05 | wc -l Trying 13105 probes with perl 5.010000 at 669148 line 18. 1203554645 at 669148 line 20. ^C after about 400 seconds

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