Date: Sun, 15 Aug 2010 22:56:30 +0200 From: Gabor Kovesdan <gabor@FreeBSD.org> To: =?UTF-8?B?RGFnLUVybGluZyBTbcO4cmdyYXY=?= <des@des.no> Cc: Doug Barton <dougb@FreeBSD.org>, Justin Hibbits <chmeeedalf@gmail.com>, core@freebsd.org, delphij@freebsd.org, Steve Kargl <sgk@troutmask.apl.washington.edu>, current@freebsd.org Subject: Re: Official request: Please make GNU grep the default Message-ID: <4C68547E.2080907@FreeBSD.org> In-Reply-To: <8639ufd78w.fsf@ds4.des.no> References: <4C6505A4.9060203@FreeBSD.org> <20100813085235.GA16268@freebsd.org> <4C66C010.3040308@FreeBSD.org> <4C673F02.8000805@FreeBSD.org> <20100815013438.GA8958@troutmask.apl.washington.edu> <4C67492C.5020206@FreeBSD.org> <B7A05068-9578-4341-851B-86BD9BC7A2DA@gmail.com> <8639ufd78w.fsf@ds4.des.no>
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Em 2010.08.15. 21:07, Dag-Erling Smørgrav escreveu: > Ignore the first two lines (that's the profiling code itself). Note > that the top five lines are all in stdio, and nothing else even shows up > on the radar. I only included enough output to show where the regexp > code ranks; the complete output is attached. > > I hate to suggest reinventing the wheel, but IMHO, this is clearly a > case where it would pay to use hand-rolled buffered input routines > instead of stdio. > Thank you very much for the valuable tests, I've already started to refactor this part but it will take some time and still it doesn't garantize that the performance will be the same as GNU's with this change. It may need more investigation, so I'm also already testing my patch to change the default and we'll see how the performance improvement progresses. Gabor
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