Computing very large distance matrix
From: Joel Pitt Roger D. Peng wrote:
The problem is not with R; the problem is with Windows, as
well as the
x86 architecture. You'll never really be able to access
more than 3GB
of physical memory (for a single process). Accessing more than 4GB requires a 64 bit processor. -roger
Alternatively, if you move to Linux you could compile a kernel with support for large amounts memory (>4GB) which doesn't require a 64 bit processor.
I don't think so. We have a Xeon with 8GB of RAM running a custom-compiled kernel with the large memory support. The kernel does see 8GB, but a single R process cannot go beyond 3GB. OTOH our Opteron box has no such problem. Andy
Joel
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