Hi,
Is FFT implemented in R takes advantage of multi-processors?
I ran this benchmark from from http://www.sciviews.org, and AMD Opteron
2.2 GHz performs better than AMD Opteron 1.8 GHz on all test cases,
except FFT operation.
Both machines run same OSs (RedHat WS 3) and 2.2 GHz has more memory (2
GB RAM) than 1.8 GHz (1 GB RAM). The only difference is that 1.8 GHz is
a dual-processor machine, and
2.2 GHz is a single processor machine. Could this be the reason?
Does anyone has insights on this?
Thanks,
Jennifer
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