Re: Scheduler + IPC performance on FreeBSD 7.4, 8.2, 9.0 and -CURRENT

2012-04-06 Thread Florian Smeets
On 05.04.12 20:03, Arnaud Lacombe wrote: Hi folks, Hi, Over the past months, I ran on a couple of unused box the `hackbench'[HACKBENCH] benchmark used by the Linux folks for tracking down various kind of regression/improvement. `hackbench' is a scheduler + IPC test (socket xor pipe). It crea

Re: ULE vs. 4BSD scheduler benchmarks

2012-02-18 Thread Florian Smeets
On 29.01.12 10:50, O. Hartmann wrote: > > We got a new workstation, two socket 6-core westmere XEON's, I forgot > the specifications, but they're driven with 2,66 GHz each and have > access to 96GB RAM. Maybe I can also setup some benchmarks, but I need > advice since I'm not a kernel GURU. > The

Re: ULE vs. 4BSD scheduler benchmarks

2012-01-28 Thread Florian Smeets
On 29.01.12 01:56, Doug Barton wrote: > On 01/28/2012 14:40, Florian Smeets wrote: >> The results are available in this Google docs spreadsheet, if you >> scroll down there are also some nice graphs. > >> https://docs.google.com/spreadsheet/ccc?key=0Ai0N1xDe3uNAdDRxcVF

ULE vs. 4BSD scheduler benchmarks

2012-01-28 Thread Florian Smeets
[current@ bcc'ed to get a wider audience, please discuss on performance@] Hi, in recent times i saw a lot of threads where it was suggested people should switch from the ULE to the 4BSD scheduler. That got me thinking and i decided to run a few benchmarks. I looked through all the stuff Kris and

Re: filesystem performance

2009-05-06 Thread Florian Smeets
On 05.05.09 07:30, Mark Wong wrote: Hi everyone, We (PostgreSQL community) have a HP DL380 G5 that we were using to do some very basic filesystem characterizations as part of a database performance tuning project, so we wanted to give FreeBSD a try out of the box. For this set of data we used 7