Re: observations on parsecvs testing

From: Nicolas Pitre <nico@cam.org>
Date: Jun 15, 2006, 20:55 UTC
Message-ID: <Pine.LNX.4.64.0606151653440.16002@localhost.localdomain>
In-Reply-To: <BAYC1-PASMTP10021C1A6034B8753D06DDAE820@CEZ.ICE>

On Thu, 15 Jun 2006, Sean wrote:

Show 15 quoted lines

> On Thu, 15 Jun 2006 16:37:30 -0400 (EDT)
> Nicolas Pitre <nico@cam.org> wrote:
> 
> > Also rcs2git() is very inefficient especially with files having many 
> > revisions as it reconstructs the delta chain on every call.  For example 
> > mozilla/configure,v has at least 1690 revisions, and actually converting 
> > it into GIT blobs goes at a rate of 2.4 objects per second _only_ on my 
> > machine.  Can't objects be created as the delta list is walked/applied 
> > instead?  That would significantly reduce the initial convertion time.
> 
> Hi Nicolas,
> 
> That was a planned optimization which I did mention to Keith previously.
> Was kinda waiting to hear back how it was working for him, and if there
> was an interest to put more work into it to include in his mainline.

I think it is really worth it. I'd expect the first half of the convertion to go significantly faster then.

Nicolas