[R-SIG-Mac] Does 64-bit R use multiple cores?
John C. Tull
john.tull at wildnevada.org
Mon Nov 24 20:15:42 CET 2008
Dear R-mac Users:
I'm wanting to leverage an 8-core Intel Mac Pro for all of its
computational glory. Looking over the mail list, it appears that the
conversation on 64-bit builds of R has been about gaining access to
memory beyond the 32-bit limit of 3.5 GB and not about multiple
Does running 64-bit R only take advantage of one processor core at a
time like the standard 32-bit R, or does it do symmetric
multiprocessing (is this the right terminology?). If no, is there any
possibility of doing this using X-grid or otherwise that someone can
detail? I do have 10.5 Server if I have to go down that road.
John C. Tull, Ph.D.
Nevada Wilderness Project
8550 White Fir Street
Reno, NV 89523 USA
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