On 09/04/2013 11:14 AM, Linus Torvalds wrote:
On Wed, Sep 4, 2013 at 7:52 AM, Waiman Long<waiman.long@xxxxxx> wrote:
The latest tty patches did work. The tty related spinlock contention is now
completely gone. The short workload can now reach over 8M JPM which is the
highest I have ever seen.
Good. And this was with the 80-core machine, so there aren't any
scalability issues hiding?
Linus
Yes, the perf profile was taking from an 80-core machine. There isn't
any scalability issue hiding for the short workload on an 80-core machine.
However, I am certain that more may pop up when running in an even
larger machine like the prototype 240-core machine that our team has
been testing on.
-Longman
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