[Beowulf] "NNSA’s first really big heterogeneous supercomputer"
pbisbal at pppl.gov
Wed Oct 31 10:58:30 PDT 2018
> It also makes Sierra the NNSA’s first really big heterogeneous
Does Roadrunner, the first computer to exceed 1 PFLOPS, not count any
more? That was an NNSA system, and that had 3 (yes, 3!) different
processors in it: The AMD Opteron CPU, of course, and then the
PowerXCell 8i Processor consisted of had a stripped down POWER
processor core and Cell processors inside it. I read a publication from
LANL on it's architecture years ago, and I believe to had to program for
all 3 different processors to take advantage of it's architecture. (If
soneone knows for sure, please correct me if I'm wrong.) I'd say
that's even more heterogeneous than what we are seeing today (CPU + GPU).
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