-- [ Picked text/plain from multipart/alternative ] Is it possible for those with the problem to confirm what dist and kernel version on any machines that have the problem, just may help give some ideas as well?
On 10/13/05, e-Plutonia <[EMAIL PROTECTED]> wrote: > > -- > [ Picked text/plain from multipart/alternative ] > Since I am not on the Intel platform anymore, I can't help out directly, > however Gary, if you want, I can bring a few of my old Dual Xeon 3.2 / 3.0/ > 2.8 boxes back online, as well as some P4s. > > On 10/12/05, Gary <[EMAIL PROTECTED]> wrote: > > > > I'm beginning to wonder if certain stepping Xeon's/P4's have this HT > > problem. I will investigate this further, but I don't think that is > > the case since I have multiple servers with different stepping xeons > > and they exhibit the same issues with large servers.. Perhaps it's > > cache coherency problems, or one of the many pitfalls of hyperthreading. > > > > > > >If they are both still present you can diff the configurations. > > > > > >More to the point though, a stock kernel may not support HT, whereas > > >unless moronically configured, a newly compiled kernel should use most > > >of the target architecture, instead of a generic architecture. > > > > > >Next, the issue of HT as an architecture. Many of the situations where > > >HT has been reported to perform badly are in cases where the server is > > >processing two or more SRCDS instances throughout 80% or above of it's > > >active processing time. In this scenario you will be suffering a great > > >deal of cache hits, and a fair few (but quite regularly timed) context > > >switches. What is interesting to note about those who claim better > > >results, is they tend to have servers loaded up with other/different > > >applications. Careful analysis of other performance data might lead to > > >a real conclusion regarding the cause of this issue. How many cache > > >misses are occuring with HT on, as opposed to off? What about context > > >switches? How do these change if you lock processes to specific > > >processors? The list of questions goes on. Sadly, I'm not using any HT > > >capable test hardware at present. > > > > > > > > _______________________________________________ > > To unsubscribe, edit your list preferences, or view the list archives, > > please visit: > > http://list.valvesoftware.com/mailman/listinfo/hlds_linux > > > > > > -- > DJ Fadyeyev > Founder > e-Plutonia > -- > > _______________________________________________ > To unsubscribe, edit your list preferences, or view the list archives, > please visit: > http://list.valvesoftware.com/mailman/listinfo/hlds_linux > -- _______________________________________________ To unsubscribe, edit your list preferences, or view the list archives, please visit: http://list.valvesoftware.com/mailman/listinfo/hlds_linux
