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Registered Member #902
Joined: Sun Jul 15 2007, 08:17PM
Location: North Texas
Posts: 1040
Hello ya'll
I just made a RAMDisk in Windows 7 using RAMDisk by DataRam (I paid to support more than 4GB after trying it and being VERY pleased with the results, I would have used something else but the others were either unstable at that size or they were sketchy in origin).
I know I can't do it with this program so it will be for another computer, but on my main computer I was wondering if I could use a program that supports two RAM Disks, preferably each mapped to a separate stick of RAM if needed, and put them into RAID 0 to see what happens. I tried one program that was free for 15 days but that program could not perform near as well as RAMDisk even when in the same single drive configuration. When used, RAMDisk tricks Windows into seeing a standard disk that is able to be partitioned, and striped, as normal but this program does not let me have more than one disk.
I am wondering if anyone here has experience with these and can offer some advice or suggestions. My goal is to get over 9000 MB/s data transfer rate, for obvious reasons, and GLaDOS deserves the best disk to store its disk based operating system on!
pic related: it's my test RAMDisk speed (over 7 GB/s sequential write), and I have yet to do any tweaking of any kind!
Registered Member #27
Joined: Fri Feb 03 2006, 02:20AM
Location: Hyperborea
Posts: 2058
RAID is not likely to give any improvement in speed. Memory accesses on a PC tend to be pipelined and interleaved so that sequential accesses will use all memory modules in turn to get maximum speed.
Most of the work of a RAM disk is done by the OS, the program just tells the OS that there is a drive connected and the OS will send it blocks of data and what index to read and write from. The RAM disk program does not have to know anything about drives or file systems.
Registered Member #902
Joined: Sun Jul 15 2007, 08:17PM
Location: North Texas
Posts: 1040
ok, I knew the RAMDisk was software controlled but it was the memory access info I needed to hear
well so much for using RAID to get 0ver 9000, but for now 7000 should be plenty ;)
However, I have noticed that a lot of the programs perform on vastly different scales (ex: the current one I have, RAMDisk, is around 7000 free or paid, the others I tried so far are around 4000-5000 - but there are more out there).
maybe I'll tweak my overclocks and see what happens, but in the end this is merely for amusement though it would be interesting to see what I could do with this.
When I switch from 12GB to 24GB RAM (which I will do the second I can set aside a little cash, and a 12GB kit is getting cheaper and two of my sets can be used) then I will make a 12GB disk and install a game to it and see what happens, along with using it as storage for my current Audacity and video projects (I transcode uncompressed LPs for my computer even though I use LPs when in my room, and each album gets to about 1GB in size and I edit all of them simultaneously while others are recording).
I have found some reviews, but maybe I'll try to do compile some reviews combined with interesting uses for this, rather than only stating how to move the browser cache to the RAM (which is a godsend on an SSD)
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Just made a RAMDisk, and I am curious about RAID
