SMP performance on drgonfly
kkenn at xor.obsecurity.org
Sat May 19 10:46:36 PDT 2007
On 2007-05-19, Gergo Szakal <bastyaelvtars at gmail.com> wrote:
> On Fri, 18 May 2007 16:46:27 -0700 (PDT)
> Matthew Dillon <dillon at apollo.backplane.com> wrote:
>> A large chunk of the kernel still runs under the big giant
>> lock, including the light weight processes that libthread_xu
>> uses, so something like mysql is going to hit a lot of BGL
> BTW shouldn't he test the libthread_xu capabilities with Preview instead?
If there is a reasonable expectation that Preview will perform
differently then I am happy to test it, but the way I read Matt's
email is that there has been no recent progress on SMP development
that might improve performance here.
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