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Why it is bad to store the page file on a RAM disk? - Page 15

post #141 of 320
Quote:
Originally Posted by ramicio View Post

What program creates its own swap but doesn't have an option to specify where to put that swap?
Custom software. thumb.gif
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post #142 of 320
I have a strange situation. As you can see in my sig rig, I have more memory than Windows can use. Can I put the other 8GB to use as a RAMDisk?

I currently have the pagefile disabled. Would I 'trick' Windows into using all 24GB of memory by using the extra 8GB as a RAMDisk pagefile?
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post #143 of 320
It will give you a larger commit limit, and if Windows needs to move data out in the page file, it will happen fast, but it is not as good as having Windows use it the normal way.
post #144 of 320
Quote:
Originally Posted by larsch View Post

you will not be flushing anything to the page file by calling FlushViewOfFile - that only works on normal files.

There is an old article here, but the principle is the same:

http://msdn.microsoft.com/en-us/library/ms810613.aspx

An important feature for memory-mapped files is the ability to write any changes to disk immediately if necessary. This feature is provided through the FlushViewOfFile function. Changes made to a memory-mapped file through a view of the file, other than the system pagefile, are automatically written to disk when the view is unmapped or when the file-mapping object is deleted.
post #145 of 320
On a related topic, what are thoughts on putting photoshop's scratch disk on a ramdisk?
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post #146 of 320
Quote:
Originally Posted by .:hybrid:. View Post

On a related topic, what are thoughts on putting photoshop's scratch disk on a ramdisk?

Do it, it helps me atleast. smile.gif
post #147 of 320
Absolutely pointless. It's not going to start scratching until memory starts running low. The point of a scratch disk is to use a [large] disk when memory runs low. With a small RAMDISK in RAM, you don't give it much room to breathe.
 
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post #148 of 320
If using 32bit, it makes most sense, because photoshop has a rather limited address space to deal with.
post #149 of 320
Not true, at all. Photoshop supports up to 64 exabytes of scratch space.
 
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post #150 of 320
i would have thought it would corrupt easy
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