Re: Quad core CPUs loaded at only 50% when running a CPU and mmap intensive multi-threaded task

Andi Kleen
2008-08-26T08:13:19Z

Theodore Tso <tytso@mit.edu> writes:

As a general comment it still sounds there is a regression here?
If the workload was faster in an earlier kernel and is now slow
clearly something got slower? And that might be fixable.
Perhaps something for Rafael's list?

> Maybe if I had used hugepages it would have been a win,

hugepages do not support arbitary file backing.

-Andi

--
ak@linux.intel.com