[Bf-committers] Faster listbase lookups

Campbell Barton cbarton at metavr.com
Sat Oct 21 14:33:57 CEST 2006

Hey Guys

Iv been using scenes with a large number of objects recently, - groups 
and scnene-sets has helped me bring object counts down from 50,000 to 
about ~5000 per scene but even with 5000 objects, it can still be 
noticeably slow to duplicate, parent and unparent objects. - a few seconds.,

My understanding of threads is limited, but I was thinking
one thing that could improve performance on large ListBases is a way to 
thread ListBase searches so 2 threads would search starting at each end 
of the listBase and check up with (eachother every ~50 or so iterations 
to see if they have found the item thats being searched for)

Im not sure weather youd want this all the time, because it could be 
slower for smaller listbases, but in that case it may be woth the small 

Talking to Emil, he thaught it would be possible.

first Id like to know what others think, then if thats ok, if anyone 
would like to do this (would be a paid job).

- Cam

Campbell J Barton

133 Hope Street
Geelong West, Victoria 3218 Australia

URL:    http://www.metavr.com
e-mail: cbarton at metavr.com
phone: AU (03) 5229 0241

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