Intel® Xeon Phi™ Coprocessor

gloryofthesky · May 6, 2015

This may be an odd question, and well, maybe a stupid one. But bear with me please.

I'm running a 244GB web server with x2 intel Xeon E7-2800 v2

I was wondering if an Intel Phi processor would benefit a web server or SQL database with high CPU load.

However, the clock speed is significantly lower, but offers hundreds of additional cores.

What are you thoughts on this?

Eximo · May 6, 2015

Chances are good that it would have little to no impact on performance. https://software.intel.com/en-us/articles/is-the-intel-xeon-phi-coprocessor-right-for-me

I would take a serious look at your licensing model as well. A lot of applications are charged by the core, so that may not be the wisest thing.

gloryofthesky · May 6, 2015

Eximo :

Why would it not help with high CPU usage? Wouldn't the additional cores to a web server benefit it?

getochkn · May 6, 2015

gloryofthesky :

Can your software take care of those specialized cores? Just because it's a core, doesn't mean the software can use it.

Eximo · May 6, 2015

Only if the web server knows how to use those cores. A Xeon Phi is not quite identical to just having more CPU cores. The software has to know they are there to be used and be able to know which threads need to run on the Phi and which should remain on the CPUs for ideal performance, pretty much requires custom applications.

"It's important that you realize that the Phi is running an embedded Linux operating system and is binary incomparable with Windows executables!"

https://www.pugetsystems.com/labs/articles/Top-5-Xeon-Phi-Misconceptions-508/

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Intel® Xeon Phi™ Coprocessor

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