RE: svn commit: r1022931 - in /subversion/trunk/subversion/libsvn_wc: status.c wc-queries.sql wc_db.c wc_db.h

> On Fri, Oct 15, 2010 at 4:19 PM, <philip_at_apache.org> wrote:
> > Author: philip
> > Date: Fri Oct 15 14:19:36 2010
> > New Revision: 1022931
> >
> > URL: http://svn.apache.org/viewvc?rev=1022931&view=rev
> > Log:
> > Implement status using per-dir queries.  On my machine (Linux,
> local
> > disk) this improves the speed of status on a Subversion trunk
> working
> > copy by a factor of 3, with a hot-cache, and about 30% with a
> cold cache.
> > 1.7 is still slower than 1.6 for the hot-cache (but it's less
> than 100%),
> > but for cold-cache 1.7 is now faster than 1.6.
>
> Now, that's more like it!
>
> On my machine (WinXP, 32 bit, local disk 5400 rpm), with a medium
> size
> working copy (944 dirs, 10286 files; same as I used in previous
> tests
> ([1])):
>
> - cold cache: 1.7 is almost 50% faster than 1.6
> 1.7: 22s
> 1.6: 42s
>
> - hot cache: 1.7 is just about on par with 1.6 (only 20% slower)
> 1.7: 0.86s
> 1.6: 0.72s
>

What do you guys mean by "cold cache" and "hot cache"? If they mean what I think they mean, wouldn't "hot cache" be faster that "cold cache" ?

BOb
Received on 2010-10-15 23:06:28 CEST