Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 25 Apr 2003 00:39:08 -0700
From:      "jeev" <jeev@boldinternet.net>
To:        "'Soeren Schmidt'" <sos@spider.deepcore.dk>
Cc:        freebsd-smp@FreeBSD.ORG
Subject:   RE: Dual 2.40ghz xeon w/hyperthreading
Message-ID:  <000101c30afd$c1bdf040$0200a8c0@mainframe>
In-Reply-To: <200304250724.h3P7Oket016366@spider.deepcore.dk>

next in thread | previous in thread | raw e-mail | index | archive | help
This is disturbing, what would be causing it to be like this, I have =
taken
down my 5.0's and I forgot to log the output.

The only thing I've changed, btw it's 4.8-stable, is I've added "options
NMBCLUSTERS=3D65536" because the servers do major bandwidth. But not =
right
now, nothing was running on those 2 I tested.

j

-----Original Message-----
From: owner-freebsd-smp@freebsd.org =
[mailto:owner-freebsd-smp@freebsd.org]
On Behalf Of Soeren Schmidt
Sent: Friday, April 25, 2003 12:25 AM
To: jeev
Cc: freebsd-smp@FreeBSD.ORG
Subject: Re: Dual 2.40ghz xeon w/hyperthreading

It seems jeev wrote:
> Basically guys, this box is not exceeding an ide computer I have on =
idea.
>=20
> I noticed the dual xeon to be slow. So I ran:
>=20
> dd if=3D/dev/urandom of=3D/dev/null bs=3D1m count=3D1024
>=20
> on 2 servers, 1 is the top one and 1 is the xeon.
> Obviously the ide killed the scsi with dual cpu's running =
hyperthreading,
> why?
>=20
>=20
> -SINGLE 2.4ghz p4 w/1gb ram and 80gig ide
>=20
> 1073741824 bytes transferred in 266.387823 secs (4030747 bytes/sec)
> 2.4ghz
> CPU: Intel(R) Pentium(R) 4 CPU 2.40GHz (2399.74-MHz 686-class CPU)
>   Origin =3D "GenuineIntel"  Id =3D 0xf27  Stepping =3D 7
> =20
>
Features=3D0xbfebf9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA=
,CMOV
> ,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
> real memory  =3D 1073676288 (1048512K bytes)
> avail memory =3D 1039519744 (1015156K bytes)
> ad0: 76319MB <WDC WD800JB-00DUA1> [155061/16/63] at ata0-master =
UDMA100

Hmm something is strange here on a semilar system:

CPU: Intel(R) Pentium(R) 4 CPU 2.40GHz (2399.74-MHz 686-class CPU)
  Origin =3D "GenuineIntel"  Id =3D 0xf27  Stepping =3D 7
=20
Features=3D0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PG=
E,MCA
,C
MOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
real memory  =3D 1073725440 (1023 MB)
avail memory =3D 1037553664 (989 MB)

Running FreeBSD 5.0-CURRENT #0: Thu Apr 24 15:36:12 CEST 2003
    sos@devel.deepcore.dk:/develop/ata-ng/sys/i386/compile/DEVEL

I get this:
devel> dd if=3D/dev/urandom of=3D/dev/null bs=3D1m count=3D1024
1024+0 records in
1024+0 records out
1073741824 bytes transferred in 56.858569 secs (18884433 bytes/sec)
devel>=20

-S=F8ren
_______________________________________________
freebsd-smp@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-smp
To unsubscribe, send any mail to "freebsd-smp-unsubscribe@freebsd.org"



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?000101c30afd$c1bdf040$0200a8c0>