due to its customizability and how everything is compiled for a particular
system. Has anyone used Gentoo in an HPC application?
not so much, I suspect. at my org, we have our hands full dealing
with slow-changing distros like centos. what would really be interesting
is if someone could show a tangible benefit to the compile-from-scratch
approach - a measurable and consistent improvement in some applications'
performances, for instance.
for single-purpose facilities, it might make a lot of sense. certainly
mechanisms like environment modules would be asinine in that context.
I do often wonder how much our systems are pessimized by conservative
compilation, especially the use of PIC (by way of shared libraries)
and avoidance of LTO.
regards, mark hahn.
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