[MERGE] Improve knit extraction time

[Martin Pool]

On 31 Jan 2007, John Arbash Meinel <john at arbash-meinel.com> wrote:
> Well, I can show that this code is a big win for really large files with
> lots of patches.
> 
> But it turns out that for smaller files (fewer lines), the time to munge
> a list is pretty cheap, so the overhead of the extra tracking hurts
> performance. So I'm going to be looking into it a little bit more to see
> if I can strike a balance.

So we should disregard this patch for the time being?

-- 
Martin