HP to acquire SGI
chrise at pobox.com
Thu Aug 18 06:45:38 CDT 2016
On August 17, 2016 11:55:16 PM CDT, Pontus Pihlgren <pontus at Update.UU.SE> wrote:
>On Wed, Aug 17, 2016 at 11:01:43PM -0500, Chris Elmquist wrote:
>> The SGI shared memory systems, the most current of which is called
>> "UV", is a NUMALink interconnected design. They have a number of
>> ASICs that implement the interconnect and protocol and bridge to the
>> Intel processors intra-processor link, which is called QPI.
>I see, and I guess that NUMAlink is a decendant of the interconnect
>in SGI Origin2k and 3k systems?
That's right. It took them a while to transition from MIPS to x86 with this technology and so we did the MPP cluster stuff as an interim product around 2007.
>> The SGI cluster products use Infiniband for interconnect.
>And to take advantage of that you would use MPI?
Yes. Which sits on top of OFED (nee OpenIB) managing the fabric.
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