Re: q: git-fetch a tad slow?

From: Shawn O. Pearce <spearce@spearce.org>
Date: Jul 31, 2008, 04:45 UTC
Message-ID: <20080731044531.GB1860@spearce.org>
In-Reply-To: <20080730190657.GC26389@elte.hu>

Ingo Molnar <mingo@elte.hu> wrote:

Show 7 quoted lines

> alas, fetching still seems to be slow:
> 
>   titan:~/tip> time git-fetch origin
> 
>   real    0m5.112s
>   user    0m0.972s
>   sys     0m3.380s

What version of git are dealing with on the client side?

I only have a MacBook Pro (2.4 GHz Intel Core 2 Duo) and I'm getting fetch times of ~472 ms over git:// to your -tip.git tree and ~128 ms for strictly local fetch. If your SSH overhead is ~300 ms this is only a ~700 ms real time for `git fetch origin`, not 5100 ms.

Is your git-fetch a shell script? Or a compiled binary? The port into C made it go _much_ faster, even though it is still a naive O(N^2) matching algorithm. Yea, we still should fix that, but I think an upgrade to 1.5.4 or later would make the client side improve consideribly.

-- 
Shawn.