Messages in this thread | | | Date | Wed, 22 Dec 2004 20:19:01 -0600 | From | "Jose R. Santos" <> | Subject | Re: [PATCH 0/3] NUMA boot hash allocation interleaving |
| |
Brent Casavant <bcasavan@sgi.com> [041221]: > I didn't realize this was ppc64 testing. What was the exact setup > for the testing? The patch as posted (and I hope clearly explained) > only turns on the behavior by default when both CONFIG_NUMA and > CONFIG_IA64 were active. It could be activated on non-IA64 by setting > hashdist=1 on the boot line, or by modifying the patch.
I wasn't aware of the little detail. I re-tested with hashdist=1 and this time it shows a slowdown of about 3%-4% on a 4-Way Power5 system (2 NUMA nodes) with 64GB. Don't see a big problem if the things is off by default on non IA64 systems though.
> I would hate to find out that the testing didn't actually enable the > new behavior.
Serves me right for not reading the entire thread. :)
-JRS - 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/
| |