Re: About mtune=atom

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On Mon, Jan 24, 2011 at 05:30:49PM -0800, John Reiser wrote:
> > On Mon, Jan 24, 2011 at 04:43:47PM -0800, John Reiser wrote:
> >>> This seems like it might be useful in many virtual machine setups. Can you
> >>> quantify "measurable"?
> >> "Measurable" means 1% or more.  Obviously this depends on the workload.
> > 1% or more _what_? Performance gain?
> 1% reduction in CPU time per process; or, 1% increase in processes/hr;
> or, 1% decrease in delay along some external user-critical path; or,
> 1% increase in number of simultaneous processes before complaints; ...

Yeah, I get what 1% faster means. I was asking if that's what you meant, as
opposed to some other 1% benefit. (Less memory, for example.)

Although, pedantically, I have to point out that the 1%s you list are not
all synonymous.


-- 
Matthew Miller <mattdm@xxxxxxxxxx>
Senior Systems Architect -- Instructional & Research Computing Services
Harvard School of Engineering & Applied Sciences
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