On Mon, 30 Oct 2006, Ruediger Pluem wrote:
BTW: Does anybody know if MMAP for writing files is possible / makes sense /
improves performance?
It reduces some data-copying, so it's a tad cheaper to mmap. But, on
Linux you can't do sendfile from a file that's being written to with
mmap, and since I wanted to be able to do read-while-caching I dropped
the mmap-write-idea since the drawbacks was way larger than the
benefits.
YMMV
/Nikke
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Niklas Edmundsson, Admin @ {acc,hpc2n}.umu.se | [EMAIL PROTECTED]
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