Re: [PATCH] grep: do not do external grep on skip-worktree entries

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On Mon, Jan 11, 2010 at 20:29, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>
>
> On Mon, 11 Jan 2010, Fredrik Kuivinen wrote:
>>
>> Any ideas on how this can be explained?
>
> Could it be a bad 'strstr()' implementation?
>
> Try a complex pattern ("qwerty.*as" finds the same line), and see if that
> too is slower than before. If that is faster than it used to be (with
> --no-ext-grep, of course), then it's strstr() that is badly implemented.

Ah, yes, that's it. With the pattern "qwerty.*as" I get 2.5s with the
patch and 6s without.

Thanks.

- Fredrik
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