Re: Which hash function to use, was Re: RFC: Another proposed hash function transition plan

From: Johannes Schindelin <johannes.schindelin@gmx.de>
Date: Jun 19, 2017, 09:26 UTC
Message-ID: <alpine.DEB.2.21.1.1706191125510.57822@virtualbox>
In-Reply-To: <20170616204208.ak5twydrloxefm42@sigill.intra.peff.net>

Hi Peff,

On Fri, 16 Jun 2017, Jeff King wrote:

Show 10 quoted lines

> On Fri, Jun 16, 2017 at 03:24:19PM +0200, Johannes Schindelin wrote:
> 
> > I have no doubt that Visual Studio Team Services, GitHub and Atlassian
> > will eventually end up with FPGAs for hash computation. So that's
> > that.
> 
> I actually doubt this from the GitHub side. Hash performance is not even
> on our radar as a bottleneck. In most cases the problem is touching
> uncompressed data _at all_, not computing the hash over it (so things
> like reusing on-disk deltas are really important).

Thanks for pointing that out! As a mainly client-side person, I rarely get insights into the server side...

Ciao, Dscho