Re: [PATCH 27/27] cache-tree: integrate with sparse directory entries

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On Mon, Feb 1, 2021 at 6:41 PM Derrick Stolee <stolee@xxxxxxxxx> wrote:
>
> On 2/1/2021 6:54 PM, Elijah Newren wrote:
> > On Mon, Jan 25, 2021 at 9:42 AM Derrick Stolee via GitGitGadget
> > <gitgitgadget@xxxxxxxxx> wrote:
> >> In this test, I also used "echo >>README.md" to append a line to the
> >> README.md file, so the 'git add .' command is doing _something_ other
> >> than a no-op. Without this edit (and FS Monitor enabled) the small
> >> tree case again gains about 30ms on the sparse index case.
> >
> > Meaning the small tree is 30 ms faster than reported here, or 30 ms
> > slower, or that both sparse index and small tree are faster but the
> > small tree decreases its time more than the sparse index one does?
> >
> > Sorry, I don't mean to be dense, I'm just struggling with
> > understanding words today it seems.  (Also, it seems like there's a
> > joke in there about me being "dense" in a review of a "sparse"
> > feature...but I'm not quite coming up with it.)
>
> I don't blame you! This is a lot to digest, and I appreciate you
> pushing through to the end of it.
>
> Clearly, I was getting a bit inexact near the end. My excitement
> to share this RFC clearly overshadowed my attention to grammatical
> detail. I'll go through your feedback more carefully soon and
> hopefully clarify these and many other questions.

I can't blame you for being excited; this series is awesome.  I've
thought we should do something along this direction for years[1].
Sure I found lots of little nitpicks here and there in your series,
but that's just attempting to help find any issues so it can be made
even better; overall I'm super excited about it.

[1] See "crazy idea" paragraph at
https://lore.kernel.org/git/CABPp-BGir_5xyqEfwytDog0rZDydPHXjuqXCpNKk67dVPXjUjA@xxxxxxxxxxxxxx/



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