Looking at a couple of Unidata parameters:
SHM_GNPAGES=64
SHM_GPAGESZ=2048
EXPBLKSIZE=16
I'm curious about EXPBLKSIZE. The doc says:
EXPBLKSIZE Number of local pages used for expression buffers. udt keeps
a buffer of this size for intermediate results. ibm recommends you set
this parameter so the buffer is one-quarter to one-half the size of a
global page.
SHM_GPAGESZ Size of each global page, in 512-byte units.
SHM_GNPAGES Number of global pages in a shared memory segment.
From my parameters, it appears EXPBLKSIZE is 1/4 of the number of
global pages, but the doc says it should be 512 if I use 1/4 of the SIZE
of each global page.
I'm certainly open to advice on this topic.
--
Jeffrey Butera, PhD
Associate Director for Applications and Web Services
Information Technology
Hampshire College
413-559-5556
http://www.hampshire.edu
http://www.facebook.com/hampshirecollegeit
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