Jeff King writes:
> But for a small fetch...
>
> 5311.3: server (1 days)0.20(0.17+0.03) 4.39(4.03+6.59) +2095.0%
> 5311.4: size (1 days) 57.2K 59.5K +4.1%
> 5311.5: client (1 days)0.08(0.08+0.00) 0.08(0.08+0.00) +0.0%
Nice ;-)
> So this is a de
On 03/26/2014 03:40 PM, Siddharth Agarwal wrote:
On 03/26/2014 12:22 AM, Jeff King wrote:
[tl;dr the patch is the same as before, but there is a script to measure
its effects; please try it out on your repos]
Here are the numbers from another, much larger repo:
Test
On Wed, Mar 26, 2014 at 02:13:00PM -0400, Jeff King wrote:
> So I think the next steps are probably:
>
> 1. Measure the "all objects are preferred bases" approach and confirm
> that it is bad.
Below is a very rough patch to accomplish this. It just traverses the
"have" bitmap and adds eve
On 03/26/2014 12:22 AM, Jeff King wrote:
[tl;dr the patch is the same as before, but there is a script to measure
its effects; please try it out on your repos]
Here are results from one of our repos:
Test origin HEAD
-
On Wed, Mar 26, 2014 at 03:31:41PM -0700, Junio C Hamano wrote:
> > I think we could still add the objects from the tip of the client's HAVE
> > list.
>
> That should make the result at least per to the non-bitmap case,
> right?
That's my expectation.
>
> > 2. Measure the "reused deltas becom
Jeff King writes:
> Just looking at the 128-day case again, using bitmaps increased our
> server CPU time _and_ made a much bigger pack. This series not only
> fixes the CPU time regression, but it also drops the server CPU time to
> almost nothing. That's a nice improvement, and it makes perfect
On Wed, Mar 26, 2014 at 10:33:41AM -0700, Junio C Hamano wrote:
> Jeff King writes:
>
> > 2. When considering whether a delta can be reused, check the bitmaps
> > to see if the client has the base. If so, allow reuse.
> > ...
> > The implementation I'm including here is the one I've shown
Jeff King writes:
> 2. When considering whether a delta can be reused, check the bitmaps
> to see if the client has the base. If so, allow reuse.
> ...
> The implementation I'm including here is the one I've shown before,
> which does (2). Part of the reason that I'm reposting it before lo
[tl;dr the patch is the same as before, but there is a script to measure
its effects; please try it out on your repos]
This is a continuation of the discussion here:
http://thread.gmane.org/gmane.comp.version-control.git/239647
I'll summarize the story so far.
Basically, the problem is
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