New updates in 1.3

Today I updated the NEWS test on the GraphicsMagick web site to 
reflect everything to date in development 1.3.

Also today, I comitted updates so that the many operations I have 
re-written to be based on the simple "pixel iterator" framework are 
now accellerated by OpenMP so that they run faster if you have more 
than one CPU core.  Performance improvement is still limited since the 
GraphicsMagick pixel cache is still not completely thread safe for 
multiple threads updating the same image so it needs to operate under 
a global lock.  Once this issue is resolved I expect that performance 
will improve further.

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


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