GM 1.3 development progress

The latest GM 1.3 development snapshot (1.3.020080925) now has a 
thread-safe pixel cache with fine-grained locking.  This helps 
multi-thread performance considerably on OSs with "slow" locks like 
FreeBSD and OS-X.  It also improves the performance of algorithms 
which spend considerable time in the pixel cache code performing such 
tasks as generating virtual pixels.  Image resize is one of the 
algorithms which benefits, since it now obtains almost linear speedup 
as processor cores are added.

Bob
======================================
Bob Friesenhahn
[email protected], http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/


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