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>
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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"
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