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SubjectRe: HPL benchmarking linux kernel for shared memory performance.
Allan Menezes <> writes:

> from filling the register EAX with values above 0x03
> So I was seeing only 2 cores for a quad core in cat /proc/cpuinfo on
> all nodes giving me lousy performance for every kernel except some
> like and

You say some older kernels behaved better than newer ones in the two
core oversub configuration? That would be still an issue that should
be investigated. After all Linux should run well even with
oversubscribing on two cores.


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