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Ram Drive, making a large one

xylem

Senior member
Looking for help from anyone who has set a large ram drive up on a Win2k machine. I have 1.5 gb of ram, and I'm using a program called ARramdisk (freeware). It will set up a ram drive of a few hundred mb, but once I try to go higher it will fail. I suspect that it is unable to find a contiguous chunk of ram to use that is larger. Anyone know how to set one up in the 800mb-1gb range?
 
Originally posted by: xylem
Looking for help from anyone who has set a large ram drive up on a Win2k machine. I have 1.5 gb of ram, and I'm using a program called ARramdisk (freeware). It will set up a ram drive of a few hundred mb, but once I try to go higher it will fail. I suspect that it is unable to find a contiguous chunk of ram to use that is larger. Anyone know how to set one up in the 800mb-1gb range?

I've not used Aramdisk, but I have used some of the commercial ones and they will create a larger drive. Just curious, what do you plan on doing with it?
Bill
 
I am going to put my swapfile on it. I have programs that will theoretically enable a 1.5gb ramdrive, but they fail at anything over a few hundred. This is ridiculous, since I have well over a gig free in most circumstances. I am thinking that they are searching for a single, contiguous chunk, and are failing for that reason. However, I did see a post from someone who ran an exhaustive series of tests using a ramdrive for the page file, and they had the majority of their ram used in this manner. Ideas?
 
Originally posted by: xylem
I am going to put my swapfile on it. I have programs that will theoretically enable a 1.5gb ramdrive, but they fail at anything over a few hundred. This is ridiculous, since I have well over a gig free in most circumstances. I am thinking that they are searching for a single, contiguous chunk, and are failing for that reason. However, I did see a post from someone who ran an exhaustive series of tests using a ramdrive for the page file, and they had the majority of their ram used in this manner. Ideas?

I suspected that. Putting your pagefile in a ramdrive doesn't work, and is not efficient. With as much memory as you have, windows isn't swapping much (if at all) anyways....
Bill
 
Originally posted by: dejitaru
Swap on a RAM disk? LOL The intentions were good. 😀

One member here was rabbid about this, he did set it up and setup some tests. In some circumstances he could claim a performance increase. This was when the system was copying multigigabyte files and using alot of memory for file cache thus causing applications to swap out. In that very uncommon case you could show a performance improvement (sortof, the copy didn't have as much cache, but application responsiveness was better). He then tried to extrapolate that to using it all the time, which is plain wastefull and does not result in a performance improvement.

Bill
 
I certainly appreciate the input, and I don't really have any particular expectations from doing this, but does anyone have an answer to my question? It kinda pisses me off that Windows 2k uses virtual mem when it doesn't need to, so I'd like to check it out for myself and see what there is to see firsthand. 😀
 
It isn't Win2K that is using the Page File, it's the program.

Logic and theory would tell us that with enough real RAM then you wouldn't need a Swap File at all. Reality is that certain programs REQUIRE the use of virtual memory (Swap File) no matter how much real RAM is free, and there isn't much you can do about it except use a different program.

This is called lazy programming, and is easier than having it pole for how much is actually there as most systems don't have you kind of excess capacity.
 
Logic and theory would tell us that with enough real RAM then you wouldn't need a Swap File at all

Of course not. And if you're a good enough acrobat you won't need a net either.

This is called lazy programming, and is easier than having it pole for how much is actually there as most systems don't have you kind of excess capacity.

People try to be overly clever and all they usually just end up causing problems, most of the time it's not that they're trying to be lazy it's just that they think they're smarter than everyone else. A program should just request memory and let the OS figure it out from there, the OS knows better about the state of the system than any userland app can figure out.
 
Originally posted by: xylem
I certainly appreciate the input, and I don't really have any particular expectations from doing this, but does anyone have an answer to my question? It kinda pisses me off that Windows 2k uses virtual mem when it doesn't need to, so I'd like to check it out for myself and see what there is to see firsthand. 😀

What evidence do you have that 2k is using virutal memory? Most people misinterpret taskmanager and think that 2k/xp is swapping when it's not.

Bill
 
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