TDB historical performance (with pretty graphs)
rusty at rustcorp.com.au
Wed Jun 24 03:26:25 GMT 2009
On Fri, 19 Jun 2009 11:20:54 am tridge at samba.org wrote:
> > we seem to suck recently on the "replace 5000 4byte key 4 byte date
> > records with 8 byte dataa records"
> That is indeed a puzzle. If I'm reading it right, then we slowed down
> by 4x between git 77dab7 and 8c8820 for the 4 byte to 8 byte expand.
> I can't see anything in the code history that could explain
> that. Maybe you could re-check that one manually?
Yep, I re-measured all the later commits. There's similar weirdness in the
results; they're not consistent.
Manually remeasuring seems to reveal that the change which "don't merge right"
commit caused the regression in the expand test. Presumably caused by
More information about the samba-technical