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Re: git log filtering

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From: Linus Torvalds
Subject: Re: git log filtering
Date: Wednesday, February 7, 2007 - 2:53 pm

On Wed, 7 Feb 2007, Junio C Hamano wrote:

Hmm. PCRE is probably wide-spread enough that it could be an option. 

What's PCRE performance like? I'd hate to make "git grep" slower, and it 
would be stupid and confusing to use two different regex libraries..

Maybe somebody could test - afaik, PCRE has a regex-compatible (from a API 
standpoint, not from a regex standpoint!) wrapper thing, and it might be 
interesting to hear if doing "git grep" is slower or faster..

(I realize that the performance thing depends heavily on the patterns and 
the working set they are used on, but I guess _I_ personally only care 
about fairly simple patterns on the kernel ;)

		Linus
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Messages in current thread:
git log filtering, Don Zickus, (Wed Feb 7, 9:41 am)
Re: git log filtering, Jakub Narebski, (Wed Feb 7, 9:55 am)
Re: git log filtering, Uwe , (Wed Feb 7, 10:01 am)
Re: git log filtering, Johannes Schindelin, (Wed Feb 7, 10:12 am)
Re: git log filtering, Linus Torvalds, (Wed Feb 7, 10:12 am)
Re: git log filtering, Johannes Schindelin, (Wed Feb 7, 10:25 am)
Re: git log filtering, Linus Torvalds, (Wed Feb 7, 11:16 am)
Re: git log filtering, Don Zickus, (Wed Feb 7, 11:19 am)
Re: git log filtering, Linus Torvalds, (Wed Feb 7, 11:27 am)
Fix "git log -z" behaviour, Linus Torvalds, (Wed Feb 7, 12:49 pm)
Re: Fix "git log -z" behaviour, Junio C Hamano, (Wed Feb 7, 12:55 pm)
Re: git log filtering, Junio C Hamano, (Wed Feb 7, 1:47 pm)
Re: git log filtering, Linus Torvalds, (Wed Feb 7, 2:03 pm)
Re: git log filtering, Junio C Hamano, (Wed Feb 7, 2:09 pm)
Re: git log filtering, Linus Torvalds, (Wed Feb 7, 2:53 pm)
Re: Fix "git log -z" behaviour, Don Zickus, (Wed Feb 7, 3:53 pm)
Re: Fix "git log -z" behaviour, Linus Torvalds, (Wed Feb 7, 4:05 pm)
Re: git log filtering, Horst H. von Brand, (Wed Feb 7, 6:59 pm)
Re: git log filtering, Jeff King, (Wed Feb 7, 11:16 pm)
Re: git log filtering, Johannes Schindelin, (Thu Feb 8, 11:06 am)
Re: git log filtering, Jeff King, (Thu Feb 8, 3:33 pm)
Re: Fix "git log -z" behaviour, Junio C Hamano, (Thu Feb 8, 3:34 pm)
Re: git log filtering, Johannes Schindelin, (Thu Feb 8, 5:18 pm)
Re: git log filtering, Shawn O. Pearce, (Thu Feb 8, 5:23 pm)
Re: git log filtering, Johannes Schindelin, (Thu Feb 8, 5:45 pm)
Re: git log filtering, Jeff King, (Thu Feb 8, 6:59 pm)
Re: git log filtering, Sergey Vlasov, (Fri Feb 9, 3:15 am)
Re: git log filtering, Johannes Schindelin, (Fri Feb 9, 6:13 am)
Re: git log filtering, Jeff King, (Fri Feb 9, 6:22 am)
Re: git log filtering, Johannes Schindelin, (Fri Feb 9, 8:02 am)
Re: Fix "git log -z" behaviour, Junio C Hamano, (Sat Feb 10, 12:32 am)
Re: Fix "git log -z" behaviour, Junio C Hamano, (Sat Feb 10, 2:36 am)
Re: Fix "git log -z" behaviour, Linus Torvalds, (Sat Feb 10, 10:09 am)
pcre performance, was Re: git log filtering, Johannes Schindelin, (Wed Mar 7, 10:37 am)
Re: pcre performance, was Re: git log filtering, Paolo Bonzini, (Wed Mar 7, 11:03 am)