[THIN] Re: OT?: HyperThreading
- From: "Lucas Boyken" <lboyken@xxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Wed, 4 Jun 2003 16:30:00 -0500
First of all: what is the difference between XP Pro/Home and Server/Pro.
You have tried to state some difference, but there isn't as far as
number. Application wise, yes, XP Pro and 2000 Pro are similar. XP
Home is of course for Home use and not business network use. 2000
Server is of course for server purposes. As far as all version of 2000,
however, I would have to raise issue with Server and Pro being the only
version. You left out Data Center and Advanced Server. That makes four
separate versions if I'm not mistaken.
Lucas W. Boyken
Computer Systems Associates
Account Manager / Technical Representative
lboyken@xxxxxxxxx
Company Phone: 800.222.7601
Office Phone: 515.332.2751
Fax: 515.332.5687
-----Original Message-----
From: Ron Oglesby [mailto:roglesby@xxxxxxxxxxxx]=20
Sent: Wednesday, June 04, 2003 3:44 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: OT?: HyperThreading
Notice it does say Windows 2000 (All Versions) uh, there is only Pro and
Server versions. So why note ALL Versions
Its not like XP with Pro and Home. So all versions would seem to mean
Server and Pro. Unless you know of any more 2k versions that are hiding
out.
Ron Oglesby
Senior Technical Architect
=3D20
RapidApp
Office 312.372.7188
Mobile 815.325.7618
email roglesby@xxxxxxxxxxxx
=3D20
-----Original Message-----
From: Tim Mangan [mailto:tmangan@xxxxxxxxxxxx]=3D20
Sent: Tuesday, June 03, 2003 3:24 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: OT?: HyperThreading
I interpreted that to mean server forms of 2000 also. From the testing
I have done I doubt that anything terribly wrong happens because of
HyperThreading -- it's just a question of what is more efficient for how
you use the server. Here I am not talking about peak load, but about
average response time.
It's possible I might drop back to the 2000 server to run some tests
there -- I don't know yet.
tim
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx]On
Behalf Of Brian Murphy
Sent: Tuesday, June 03, 2003 3:11 PM
To: 'thin@xxxxxxxxxxxxx'
Subject: [THIN] Re: OT?: HyperThreading
This article specifies "desktops". Did you find anything specific to
"server"?
Microsoft* Windows* Operating System Desktop Based PCs
I know the article references Windows 2000 (All Versions) but seems to
be indicating P4 based desktop machines.
I would be interested to see if there are any known issues with the Xeon
processor based server models and Citrix Metaframe (Windows 2000
Server).
-Murphy
-----Original Message-----
From: Tim Mangan [mailto:tmangan@xxxxxxxxxxxx]
Sent: Tuesday, June 03, 2003 8:32 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: OT?: HyperThreading
Ron,
My bad - sorry. http://www.intel.com/support/platform/ht/os.htm
So far my testing indicates that lightly loaded servers perform better
with it turned off, heavily loaded servers with it turned on. The OS
gets fooled into loading up logical processors on the same physical
processor sometimes. When I'm done I'll be getting this written up with
the details.
If you have a handy link to the HP docs, please send. I'll search for
it if you don't.
tim
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx]On
Behalf Of Ron Oglesby
Sent: Tuesday, June 03, 2003 9:08 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: OT?: HyperThreading
Hey Tim, that link goes no where.
Ron Oglesby
Senior Technical Architect
=3D3D20
RapidApp
Office 312.372.7188
Mobile 815.325.7618
email roglesby@xxxxxxxxxxxx
=3D3D20
-----Original Message-----
From: Tim Mangan [mailto:tmangan@xxxxxxxxxxxx]=3D3D20
Sent: Tuesday, June 03, 2003 5:54 AM
To: Thin@Freelists. Org
Subject: [THIN] OT?: HyperThreading
> I know we had a discussion on this a while back. Someone indicated M$
> folks were recommending disabling it in servers but didn't say why.
Ran
> across this link over the weekend. Basically, Intel suggests
disabling
> HyperThreading on all WIn2K, NT, and prior operating systems. =3D3D20 =
=3D
=3D3D20
> http://www.intel.com/support/platform/ht.os.htm
>=3D3D20
> I'm running tests against Server 2003/TS now. I suspect you may want
to
> disable it on 2003, depending on how you use the system. Nothing bad=20
> happens, but performance will be better in some cases with it turned
off,
> some cases with it on. Has anyone seen anything written up about
this?
>=3D3D20
> Timothy R. Mangan
> Founder TMurgent Technologies
> tmangan@xxxxxxxxxxxx
> www.tmurgent.com
> +1 781-492-0403
>=3D3D20
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