[Beowulf] Intel Phi musings

"C. Bergström" cbergstrom at pathscale.com
Wed Feb 27 19:30:03 PST 2013

On 02/28/13 09:58 AM, Christopher Samuel wrote:
> Hash: SHA1
> On 28/02/13 13:47,  C. Bergstr￶m  wrote:
>> Ported how exactly? I thought Intel just pushes for a recompile and
>> didn't introduce a new programming model
> Recompiling is only useful if you're running your code on the Phi
> itself (as Stu does) and thus can cope with the tiny amount of RAM it
> has.
> However, the other model being pushed is as an offload device (like
> GPGPU) as you can see here:
> http://www.tacc.utexas.edu/user-services/user-guides/stampede-user-guide#mic
> It's the offloading use (in free or proprietary applications) that I'm
> curious about.
(lazy question)
Is there a full guide to the pragma/directives that are supported?  Does 
it have a "marketing" name yet or a pdf reference..

Unless I missed something I only see this being wrapped around some OpenMP
#pragma offload target(mic:0)

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