Messages in this thread | | | From | Roland Dreier <> | Subject | Re: [PATCH 1/2] lib: Provide generic atomic64_t implementation | Date | Sun, 14 Jun 2009 19:44:45 -0700 |
| |
> The new Nehalems provide 8 logical threads in a single socket. All > those threads share a cache, and they have cmpxchg8b anyway, so this > won't matter.
FWIW, Nehalem EX actually goes to 8 cores/16 threads per socket. But worrying about 32-bit performance on Nehalem is a little silly -- this simplest solution is simply to run a 64-bit kernel.
- R.
| |