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128 ram enough for folding rig

S

siegecraft4

Limp Gawd
Joined
Oct 16, 2003
Messages
324
I might be setting up another new folding rig and I know little about distributed computing.
It will be running a Sempron 2200+. Will 128 mb of ram be enough to fold, or will it slow it down?

I'm asking because on another folding rig I have with 128, Folding at Home hogs all the ram.
Rig will be running Windows 2000.
 
It will fold, but as you noticed it likes a tad more. If all your going to do is fold give it a shot. Can't hurt nothin ;)
 
A computer folding on 128MB RAM is doing more folding than a computer with 2GB of RAM and not folding. I'd get 256 if ya can, but if you're cheap, 128 will be fine, albeit slower.
 
Buckus said:
A computer folding on 128MB RAM is doing more folding than a computer with 2GB of RAM and not folding. I'd get 256 if ya can, but if you're cheap, 128 will be fine, albeit slower.
Click to expand...

Good point, I need to do some more thinking before I finalize the config. Maybe I can dig up some ram somewhere.

....::::eViL thoughts of raiding school stock room:::::.....
 
If ram is a problem run Win 98 if you've got it, or maybe Linux without X. The Linux route would be good, Win 98 only if you're desperate.
 
My Win2K box is using less than 15 mb for folding. If it's just a folding box and you can shut off everything else it should do fine. I guess it depends on the proteins though, I haven't paid attention lately but some likely take up much more ram than others. Surely someone can enlighten us.......
 
Running a pair of p13** on one of my duallies.
They are each useing 135,000 K of memory.

Luck......... :D
u=Tigerbiten.gif
 
My currently running Amber core process is using 37MB. I typically see Gromacs core units taking 40 MB. And that is without saying yes to big work units.
 
siegecraft4 said:
How much slower would you guestimate?
Click to expand...

I couldn't give you anything approaching a quantitative answer, but needless to say, virtual memory is slower than real memory.

I have been seeing my cores using 130-170MB of RAM recently. All my computer have at least 512, so that's not a problem, but on a computer with even 256MB, you're going to see Windows head for virtual memory with those size work units.
 
Also, if you're interested in Big Packet gromacs units which use around 150MB ram and are worth 2x their benchmarked point value, you'd need more. Win98 or Linux without X could run them on 256MB barely, but 2k/XP would need more than even that.
 
Thanks everyone for the replies. Looks like I''m going to save a little more and get 256+ instead.
 
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