[SATLUG] Benefits of multicore CPUs under Linux ?

Alex Bartonek bartonekdragracing at yahoo.com
Tue Sep 8 12:52:23 CDT 2009


'splain it to me Lucy.   When you look for updates do you search for "multi-threaded" libraries vs.  regular libraries?

Jeremy Mann wrote: 
> On Tue, Sep 8, 2009 at 11:09 AM, Howard Haradon<hharadon at gmail.com> wrote:
>> Can the desktop user with an up-to-date distro get much benefit
>> from the newer duo and quad core cpus?  Are there options that
>> need to be compiled into the kernel?  Or is this a matter of a
>> long evolutionary process of gradual adoption of multi-threading
>> by the application programs?
>>
>> >From what little I have learned, it sounds like desktop users get
>> only about 15-20% utilization of the 2nd core with the new duo
>> processors.  I probably can save money with a cheaper CPU over
>> the next 8-10 years.
> Certainly you can "use" the extra cores, it just means you can do more
> things at once ;) I take advantage of multi-threaded applications and
> libraries, especially for video compression. What used to take me 3-6
> hours for one DVD, takes about 35 minutes on a quad core AMD.
> -- 
> Jeremy Mann
> jeremy at biochem.uthscsa.edu
> University of Texas Health Science Center
> Bioinformatics Core Facility
> http://www.bioinformatics.uthscsa.edu
> Phone: (210) 567-2672
> --
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