Re: [HACKERS] Latch implementation

2010-09-23 Thread Ganesh Venkitachalam-1
On Wed, 2010-09-22 at 13:31 -0700, Ganesh Venkitachalam-1 wrote: Hi, I've been playing around with measuring the latch implementation in 9.1, and here are the results of a ping-pong test with 2 processes signalling and waiting on the latch. I did three variations (linux 2.6.18, nehalem proce

[HACKERS] Latch implementation

2010-09-23 Thread Ganesh Venkitachalam-1
Hi, I've been playing around with measuring the latch implementation in 9.1, and here are the results of a ping-pong test with 2 processes signalling and waiting on the latch. I did three variations (linux 2.6.18, nehalem processor). One is the current one. The second is built on native se