[Beowulf] 8GB memeory limit?
hahn at mcmaster.ca
Wed Jul 11 01:03:51 EDT 2007
> # gcc -m64 int_malloc.c
basically, mcmodel defaults to small in most cases, which means
32b data relocations. medium bumps single-object addressability
up to 64b. neither of these affect the basic addressing model
(int=32b, long=64b, pointer=64).
> This is with a 2.6.5 kernel (SLES 9).
not a kernel issue, but rather the width of address calculations
for a single addressable object (as decided by the compiler.)
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