Messages in this thread | | | Date | Tue, 25 Nov 2003 12:46:47 +1100 | From | Nick Piggin <> | Subject | Re: [RFC] generalise scheduling classes |
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bill davidsen wrote:
>In article <3FC0A0C2.90800@cyberone.com.au>, >Nick Piggin <piggin@cyberone.com.au> wrote: > >| We still don't have an HT aware scheduler, which is unfortunate because >| weird stuff like that looks like it will only become more common in future. > >The idea is hardly new, in the late 60's GE (still a mainframe vendor at >that time) was looking at two execution units on a single memory path. >They decided it would have problems with memory bandwidth, what else is >new? >
I don't think I said new, but I guess they (SMT, NUMA, CMP) are newish for architectures supported by Linux Kernel. OK NUMA has been around for a while, but the scheduler apparently doesn't work so well for atypical new NUMAs like Opteron.
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