Messages in this thread | | | Date | Sat, 02 Sep 2000 16:31:58 -0600 | From | "Jeff V. Merkey" <> | Subject | Re: [ANNOUNCE] Withdrawl of Open Source NDS Project/NTFS/M2FS for Linux |
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Andi Kleen wrote:
> > It works today, but won't in the future. At some point, real sleep > > locks will be needed for SMP tuning since you can give them prioities > > and put deadlock detection into the sleep locks for apps. Priority > > inheritance allows you to bump the priority of folks holding a bunch of > > sleep locks so they release them more quickly. SCO Unix uses them and > > that's why it's TCP-C numbers are almost 5 times what Linux's are with a > > database. You'll need them to keep Linux competitive when Caldera ships > > their SCO Unix version. > > That remains to be seen. Complex locking does not necessarily look like > the true path to performance.
I watched the USL guys numbers get higher and higher when they put this stuff in their kernel and tuned it. I admit, I wasn't a believer either until I saw their numbers in 1995, but I became one -- numbers don't lie.
Jeff
> > -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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