[GTALUG] Thinkpad T420 as a VM host
Scott Allen
mlxxxp at gmail.com
Mon Jul 20 17:48:45 UTC 2015
On 20 July 2015 at 12:05, Lennart Sorensen <lsorense at csclub.uwaterloo.ca> wrote:
> You might have just made your machine slower by doing that. Maybe.
> Most modern CPUs are at least dual channel memory controller based,
> but can only use the dual channel mode to interleave accesses if the
> memory matches in size. So 2x4GB is fast, and 2x8GB is fast, but 4+8GB
> would be slow.
Probably not much slower, though. Perhaps just a few percent. This
test is rather old but the situation is somewhat similar:
<http://www.tomshardware.com/reviews/Intel-Core-i7-Nehalem,2057-13.html>
--
Scott
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