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What is a RAMDisk?

H

HOCP4ME

2[H]4U
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Jul 1, 2005
Messages
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I've heard of things called RAMDisks, that you put 1 or 2 GB's of RAM in them and they use it as system cache or something. What exactly do they do, how much do they improve performance, and how much do they cost?


Oh, and if I bought a RAMDisk and put 1GB of RAM in it, than would that make my system run like it had 2gigs is games like BF2?
 
Oh OH!

I might get this in first before 500 other people do. Google is a wonderfull thing, friend.

google said:
A RAM disk, ramdisk or RAMdrive is a segment of active computer memory, RAM, which is being used as secondary storage, typically a role for a disk drive. Access times are greatly improved, because RAM disks are approximately a thousand times faster than hard disk drives. However, durability of data through power loss is completely absent, because they are made of normal volatile RAM. As a result, RAM disks lose their contents once the computer is turned off. RAM disks are great places to store temporary data or to hold uncompressed programs for short periods.
Click to expand...

Or, a disk made out of ram.
 
well - if you have that much ram to begin with, you can run without swap... If you have 4gigs you can run without swap easy... and it's nice and fasssst. :)
 
This is probably the wrong forum to ask this since it's OS related.

If you have enough RAM to supply all your memory needs, you never really page to disk. Having a dedicated RAM drive (software or hardware) is pointless since you will be paging from RAM to RAM.

Disabling the page file will not help either. Simple fact is, if you have enough RAM you aren't paging to disk. So *anything* you change about the way the page file works won't help, it's simply not being used.
 
HOCP4ME said:
Yes that's what I mean, not a software RAMdisk. My question is, if I put the page file on that RAMDisk, would that mean that when games like BF2 have to page the disk, it would be much faster than the hard drive?
Click to expand...
In the review, it says that investing your money into more RAM for your motherboard is a better idea than buying the iRAM.
 
trust_no1 said:
In the review, it says that investing your money into more RAM for your motherboard is a better idea than buying the iRAM.
Click to expand...
This is quite true, especially if you don't have enough for your needs RAM.
 
You could greatly decrease LOAD TIMES for BF2 by getting that thing, loading it up with about 2+ gigs of ram, and then installing BF2 onto it.

Or, have 4 gigs of memory slotted into your motherboard, and use some software to make a ramdrive out of 2 of those gigs and put BF2 there. Ohhh, if only I had wads of cash laying around.....

Edit: wow, I'm tired, post fixed to actually make sense.
 
CoolD said:
You could greatly decrease LOAD TIMES for BF2 by getting that thing, loading it up with about 2+ gigs of ram, and then installing BF2 onto it.

Or, have 4 gigs of memory slotted into your motherboard, and use some software to make a ramdrive out of 2 of those gigs and put BF2 there. Ohhh, if only I had wads of cash laying around.....

Edit: wow, I'm tired, post fixed to actually make sense.
Click to expand...
You realize you'd have to install it every time you booted, right?
 
Phoenix86 said:
You realize you'd have to install it every time you booted, right?
Click to expand...

well, the reason phoenix86 said this is because the person also mentioned a software ram drive.
 
Or, you just have to copy it from the harddrive to the ramdrive after a reboot.

Feasible, questionably useful, and damn expensive.
 
(cf)Eclipse said:
i take it you don't know much about the i-ram...

http://www.anandtech.com/storage/showdoc.aspx?i=2480&p=3
Click to expand...
Actually no, it's a neat gadget. The 4GB disk would limit some modern games as mentioned in the article. I'm surprised that a raptor was able to stay somewhat close in load times (~20-25% slower), that's really quite shocking. It doesn't seem very cost effective, but cool none the less.
 
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