Re: spinlock contention - Mailing list pgsql-hackers

From Merlin Moncure
Subject Re: spinlock contention
Date
Msg-id BANLkTinz8FYRcGUO0RjGoG=AguG6nmj9sA@mail.gmail.com
Whole thread Raw
In response to Re: spinlock contention  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: spinlock contention  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers
On Tue, Jun 28, 2011 at 3:18 PM, Robert Haas <robertmhaas@gmail.com> wrote:
> user-32: none(1.0),atomicinc(14.4),pg_lwlock_cas(22.1),cmpxchng(41.2),pg_lwlock(588.2),spin(1264.7)

I may not be following all this correctly, but doesn't this suggest a
huge potential upside for the cas based patch you posted upthread when
combined with your earlier patches that were bogging down on spinlock
contentionl?

merlin


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