SuperMicro i7 (UP) - very slow performance

[Adam Vande More]

On Wed, Sep 22, 2010 at 3:12 AM, Peter Jeremy <peterjeremy at acm.org> wrote:

> I think something is badly wrong here.  That's less than 1/2 the speed
> of my Athlon 4850e (2.5GHz) and only 60% more than my Atom N270.  None
> of the other figures you posted look anomolous.  Are you sure the CPU
> is actually running at full speed and you haven't done something like
> disable the caches in BIOS?
>

FWIW:

FreeBSD galacticdominator.com 8.1-PRERELEASE FreeBSD 8.1-PRERELEASE #1: Sun
Jun 20 21:05:37 CDT 2010
adam at galacticdominator.com:/usr/obj/usr/src/sys/GENERIC
amd64
CPU: Intel(R) Core(TM) i7 CPU         870  @ 2.93GHz (2940.64-MHz K8-class
CPU)

MD5 time trial. Digesting 100000 10000-byte blocks ... done
Digest = 766a2bb5d24bddae466c572bcabca3ee
Time = 2.012719 seconds
Speed = 496840352.000000 bytes/second

vmstat
-i

interrupt                          total
rate

irq16: vgapci0+                 10720642         54
irq18: fwohci0                         2          0
irq23: ehci1                      623712          3
cpu0: timer                    393496151       1996
irq256: hdac0                    8063581         40
irq257: re0                      4136265         20
irq259: ahci1                    1925783          9
cpu1: timer                    393494902       1996
cpu6: timer                    393494606       1996
cpu5: timer                    393494653       1996
cpu7: timer                    393494701       1996
cpu4: timer                    393494785       1996
cpu3: timer                    393494732       1996
cpu2: timer                    393494404       1996
Total                         3173428919      16102

His interrupts seem high compared to this setup, but I don't what expected
values should be.

-- 
Adam Vande More