[cfarm-users] Nice on GCC202?
ebotcazou at libertysurf.fr
Fri Mar 9 08:22:00 CET 2018
> As far as I can remember, it's a virtual machine with only 2 CPU cores of
> the physical machine, each core having 8 "threads", although it seems to
> be quite different from Intel Hyperthreading. Linux does not understand
> such subtleties and just sees each "thread" as a separate CPU.
Right, the SPARC T5 supports 8 hardware threads per core, so 16 threads for 2
cores here (because not all the cores of the physical machine are available).
But hardware threads on a core share resources (2 ALUs and 1 FPU per core).
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