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Memory Placement

3/31/99

Starting April 5, 1999, the default data placement for parallel shared memory
programs will change from first-touch to round-robin. Other programming models 
are not affected. In general, this should be of benefit to users. Users who 
have programmed their codes to optimally make use of first-touch data placement 
can continue using first-touch with the _DSM_PLACEMENT environment variable. In 
the C-shell, the command is

setenv _DSM_PLACEMENT FIRST_TOUCH

See http://www.ncsa.uiuc.edu/SCD/Consulting/Tips/Memory_Placement.html for
details.

Silicon Graphics Origin2000:usr/news/Memory_Placement
Last Modified: March 30, 1999