Which backend are you using? Sent from my iPhone
On Dec 22, 2008, at 12:35 AM, "Elliott Slaughter" <elliottslaugh...@gmail.com > wrote: > Hi, > > I am exploring Elephant/BDB as a backend for a video game I am > writing. I have ignored performance considerations so far, but on > some larger maps (around 100 objects), performance is abominably > slow (around 5 fps). The same maps run about 10 times faster (about > 50 fps) when using completely in-memory hash-tables. > > Based on profiling, it appears that the main bottleneck is > persistent slot lookup. I remember reading that Elephant reads from > file on every slot read, which could explain this result. > > Are cached slots usable yet (at least in a single-threaded > situation)? When I use ":cached t" in my slot definitions, I get > errors. > > Any other advice about optimization would be appreciated. > > Thanks. > > -- > Elliott Slaughter > > "Any road followed precisely to its end leads precisely nowhere." - > Frank Herbert > _______________________________________________ > elephant-devel site list > elephant-devel@common-lisp.net > http://common-lisp.net/mailman/listinfo/elephant-devel _______________________________________________ elephant-devel site list elephant-devel@common-lisp.net http://common-lisp.net/mailman/listinfo/elephant-devel
