[daip] gcc 4.3 and aips
egreisen at nrao.edu
Thu Jun 18 13:24:55 EDT 2009
Michael Bietenholz wrote:
> We're going to upgrade our system. Do you have any special arguments
> about whether to run i386 or x86_64 linux for AIPS if one's hardware
> could do either? Does 64bits buy you anything?
I was surprised to see that we got 10% performance on Y2K with the most
recent Intel for 64-bit Linux. In addition, it will allow wider dynamic
memory usage. I was shocked to see that I was using 1.3g in FRING for
what is a "small" EVLA problem. And that included only 20 Mbytes in
NRAO has - at the aoc anyway - switched almost all computers.
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