Messages in this thread | | | Date | Thu, 11 Aug 2005 16:22:09 -0500 | From | serue@us ... | Subject | Re: [PATCH] Stacker - single-use static slots |
| |
Quoting James Morris (jmorris@namei.org): > On Wed, 10 Aug 2005, serue@us.ibm.com wrote: > > > those annoying cache effects, I assume - 3 slots (the default) > > outperforms two slots, even though only one slot is being used. These > > tests were run on a 16-way power4+ system. I may try to re-run on some > > x86 hardware, though each run will probably take 24 hours. > > I've also run some benchmarks, comparing vanilla kernel with the > two stacker approaches. Results below. > > Results seem to be mixed, sometimes a bit better, sometimes a bit worse. > The macro benchmarks tend to show better figures for the static slot > model. > > Overall, it seems that SELinux could expect to take a 1-2% performance hit > with the stacker.
Thanks, James.
I guess I should do some profiling runs - I'm surprised there would be this much of a hit with the static slots.
thanks, -serge - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |