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

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Jeff King <peff@xxxxxxxx> writes:

> I have to wonder, though...did anybody ever actually profile our
> internal grep to find out _why_ it was so much slower than GNU grep?

I vaguely recall that somebody fairly competent mentioned that modern grep
implementations are based on DFA engines, but I offhand don't remember if
the discussion had concrete numbers.

> Could we simply ship a better grep engine and obsolete external grep?

Yes, that is a very constructive longer term solution.
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