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LWN.net Weekly Edition for May 16, 2013
A look at the PyPy 2.0 release
PostgreSQL 9.3 beta: Federated databases and more
LWN.net Weekly Edition for May 9, 2013
(Nearly) full tickless operation in 3.10
As far as I know, SGI Altix is based on Itanium, not x86. I haven't come across an x86
machine with more than 32 processor cores (8 socket, 4 core Barcelona).
Merge window opens, kgdb merged
Posted Apr 20, 2008 6:23 UTC (Sun) by Cato (subscriber, #7643)
SGI systems include x86 versions with this CPU count - for example, NASA recently bought an
Altix ICE blade server with 4096 Xeon CPUs:
However, the line between this blade-based system and traditional Altix systems is not
entirely clear, though presumably with the right problem a blade server would be just as good.
Posted Apr 20, 2008 7:59 UTC (Sun) by trey (subscriber, #37500)
Not a single system image (SSI). Imho runs multiple instances of Linux kernel.
Big shared-memory x86 machines
Posted Apr 20, 2008 8:48 UTC (Sun) by joib (guest, #8541)
That's correct, Altix ICE (and Altix XE) are clusters. Each 2-socket node runs its own kernel,
and there is no shared memory between nodes, so inter-node communication is with message
AFAIK all big shared-memory machines SGI makes are Itanium-based.
I suspect the answer to this conundrum is that this changeset just increases some previous
x86-only max-cpu limit, and the mention of 4096-way machines refers to the Itanium-based SGI
Posted Apr 22, 2008 12:46 UTC (Tue) by knan (subscriber, #3940)
There are development going on inside SGI for future and one-off machines, you know. The patch
came from a SGI employee, and definitely is for x86-64. While their current big boxes are
IA64, future machines doesn't need to be...
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