|
[Sponsors] |
November 17, 2009, 01:43 |
>4GB memory question
|
#1 |
New Member
Join Date: Nov 2009
Posts: 9
Rep Power: 16 |
Sorry for the very newbie question. I have noticed people are using 8GB or even 16GB memory. Is there a memory size limitation for 32bit Windows operation system?
|
|
November 17, 2009, 05:59 |
|
#2 |
Senior Member
Join Date: Oct 2009
Location: Germany
Posts: 636
Rep Power: 21 |
Yes, there is a limitation to 4GB if you are using a 32bit-windows. Use a 64bit operating system or linux if you need more memory.
regards |
|
November 17, 2009, 09:14 |
|
#3 |
Member
TonyD
Join Date: Apr 2009
Posts: 85
Rep Power: 17 |
Actually its 3.2Gb for 32bits systems
|
|
November 17, 2009, 09:43 |
|
#4 |
New Member
Join Date: Nov 2009
Posts: 9
Rep Power: 16 |
Thanks! Now it's clear to me on the memory size issue. A new question related to 64bit Windows. does that mean many applications currently running on my 32bit Windows will not work correctly under 64bit environment?
|
|
November 17, 2009, 11:48 |
|
#5 |
Senior Member
Join Date: Oct 2009
Location: Germany
Posts: 636
Rep Power: 21 |
There is a compatibility mode, so your 32bit-applications will work correctly on a 64bit-system. of course, applications can't use more than 3,2GB of memory (thanks to bramv101) as long as they are 32bit-applications.
but i think it does not matter, because there is a 64bit-version of most cfd-programs, and word, excel and so on don't need such a huge amount of memory. regards |
|
November 17, 2009, 14:22 |
|
#6 |
New Member
Join Date: Nov 2009
Posts: 9
Rep Power: 16 |
Thanks a lot for all the kind help. The whole picture is more clear to me. Now it's down to the machine to buy. I am looking at HP desktop/workstations. Between a top of notch desktop PC and an above average workstation, which one do you guys recommend? The latter may cost more but budget is not much an issue, as long as the benefit from computing power justifies the extra money.
|
|
November 17, 2009, 14:29 |
|
#7 |
Member
TonyD
Join Date: Apr 2009
Posts: 85
Rep Power: 17 |
Workstation is still more dedicated.. xeon CPU, quadro GPU, SAS drives...
It will all add just that little bit over a standard high end 'game'PC. HP or Dell not much difference there, just see where you can get the best quote |
|
November 19, 2009, 14:30 |
|
#8 |
New Member
HP Kritzinger
Join Date: May 2009
Location: South Africa
Posts: 25
Rep Power: 16 |
You should consider 64bit operating systems. Windows is acceptable, but Linux is best if you need to cases requiring more than 2GB of memory. On 32bit systems the memory limit is actually 2GB per process...
|
|
May 14, 2010, 02:05 |
|
#9 |
New Member
Join Date: Aug 2009
Posts: 18
Rep Power: 16 |
I have a little confusion here on hardware- software bit compatibility.
Does a 32bit CPU support 64 bit OS? I have a 32 bit C2Q system running on 32bit Windows with 4GB Ram. If I changed my OS to 64 bit OS and increase my ram to 8GB, will I get the PC to run at 8GB memory physically? |
|
May 14, 2010, 03:14 |
|
#10 | |
New Member
Jemyung Cha
Join Date: Sep 2009
Posts: 8
Rep Power: 16 |
Quote:
You cannot install 64bit OS to your 32bit PC. |
||
May 14, 2010, 04:45 |
|
#11 |
New Member
Join Date: Aug 2009
Posts: 18
Rep Power: 16 |
Thanks for the information. Appreciate.
|
|
May 14, 2010, 05:26 |
|
#12 | |
Member
Cedric Van Holsbeke
Join Date: Dec 2009
Location: Belgium
Posts: 81
Rep Power: 16 |
Quote:
|
||
May 17, 2010, 10:04 |
|
#13 |
New Member
Join Date: Aug 2009
Posts: 18
Rep Power: 16 |
Thanks very much. I was wrong that my cpu is actually a core 2 duo chip. does this type of processor built on 64bit? if yes, i can consider installing a 64bit OS and make full use of my 4GB RAM.
|
|
May 17, 2010, 11:24 |
|
#14 |
Member
Burak
Join Date: May 2009
Posts: 90
Rep Power: 16 |
Is there 64 bit Gambit? I couldn't find it anywhere...
If there isn't, then there is no benefit of converting to 64 bit. |
|
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
How to optimize the memory usage when using FEM | vasilis | Main CFD Forum | 11 | August 24, 2009 23:57 |
Memory error? | Young | CFX | 3 | September 30, 2008 11:33 |
memory (RAM) question | matt | FLUENT | 7 | November 28, 2006 03:30 |
CFX CPU time & real time | Nick Strantzias | CFX | 8 | July 23, 2006 17:50 |
Run-Time memory conifguration Error | Graeme | CFX | 1 | February 20, 2006 23:04 |