CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > OpenFOAM

I need help with choosing a new Workstation for OF

Register Blogs Members List Search Today's Posts Mark Forums Read

Reply
 
LinkBack Thread Tools Display Modes
Old   December 14, 2007, 10:32
Default Im about to buy myself a new
  #1
New Member
 
Christofer Ivarsson
Join Date: Mar 2009
Posts: 21
Rep Power: 8
cricke is on a distinguished road
Im about to buy myself a new Workstation, stationary, and am concidering either

- two Dual core Intel 54xx 3.0 GHz
or
- two Quad core Intel 53xx 2.66 GHZ which is about the same price.

Since the MPI is slowing down the calculations maybe its more convenient using two duals which slightly higher clock frequency than 2 quads?

Please come up with a suggestion on a new workstation setup for approx 3000 euro.

Regards
Christofer
cricke is offline   Reply With Quote

Old   December 15, 2007, 10:50
Default Christopher, I'm no expert,
  #2
Member
 
Doug Baldwin
Join Date: Mar 2009
Posts: 53
Rep Power: 8
gdbaldw is on a distinguished road
Christopher,

I'm no expert, but perhaps I can get the ball rolling for you. What I've read on this forum is that the bottleneck is CPU cache bandwidth. Further, I've read here that duals perform better when operated as uni-processors. So, with that, about a year ago I purchased the fastest uni with the highest bandwidth to memory - AMD 3800+ AM2 socket, 4 x 0.5GB DDR2 800Mhz, 4 x 250GB SATA. Mirrored each disk pair, then RAID-0 on top. I've since replaced memory with 4 x 2GB DDR2 667MHz and recompiled kernel for large memory. I've solved 1.7M hex grids while simultaneously surfing the web. Very satisfied. Only regret is installed 32-bit OS, and once hit malloc limit. Next machine will likely be 64-bit.

Doug
gdbaldw is offline   Reply With Quote

Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
choosing the right boundary condition... bob Main CFD Forum 1 May 23, 2007 03:50
Choosing a Company name Z Hashmi Main CFD Forum 2 August 19, 2006 14:30
Choosing a solver in furnace simulation gfollert OpenFOAM Running, Solving & CFD 10 February 24, 2006 09:53
Problem in choosing proper scheme ravi OpenFOAM Running, Solving & CFD 1 December 20, 2005 07:24
Choosing the right computer Kevala FLUENT 0 March 30, 2001 13:36


All times are GMT -4. The time now is 04:38.