Messages in this thread | | | Date | Sun, 23 Jun 2002 00:36:44 -0700 | From | William Lee Irwin III <> | Subject | Re: [Lse-tech] Re: ext3 performance bottleneck as the number of spindles gets large |
| |
>> On Sun, Jun 23, 2002 at 12:00:01AM -0600, Christopher E. Brown wrote: >>> However, multiple busses are *rare* on x86. There are alot of chained >>> busses via PCI to PCI bridge, but few systems with 2 or more PCI >>> busses of any type with parallel access to the CPU.
William Lee Irwin III wrote: >> NUMA-Q has them.
On Sun, Jun 23, 2002 at 12:29:23AM -0700, Dave Hansen wrote: > Yep, 2 independent busses per quad. That's a _lot_ of busses when you > have an 8 or 16 quad system. (I wonder who has one of those... ;) > Almost all of the server-type boxes that we play with have multiple > PCI busses. Even my old dual-PPro has 2.
I thought I saw 3 PCI and 1 ISA per-quad., but maybe that's the "independent" bit coming into play.
Cheers, Bill - 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/
| |