15279Re: [PanoToolsNG] Re: PTgui -- why doesnt it just use RAM?
- Dec 4, 2007matt_nolan_uaf wrote:
> This is because PTGui was already using RAM..If you have enough RAM, yes. Windows will effectively emulate a RAM disk
>> PTGui stores temporary data in temp files, but due to the OS's file
>> system caching, the files never really get written to disk but
>> they are cached in RAM. Only for large panoramas the OS will not
>> enough cache memory and that's when the temporary files actually
>> being written to disk.
> I guess I'm missing something easy and fundamental. For fisheye
> sperhical projects using only a GB or so, does this mean that using a
> virtual RAM disk will have no benefit on any computer, not just my
> slow, bloated one?
by means of file caching.
> Also, if everything is happening in RAM alreadyFor small panoramas there should not be a hard disk bottleneck, assuming
> with a small stitch, why is there a hard disk bottleneck at all?
that disk caching is enabled for your temp drive (thanks to Bernhard for
pointing that out..)
> What I'm trying to decide at the moment is whether it's worthI think it will not make much difference, but the only way to find out
> investing in something like the iRAM disks, or whether virtual RAM
> disks would do the same thing but better. These iRAM disks seem to
> be an order of magnitude faster or more than the fastest spinning
> disks. Any insights would be appreciated.
is by trying. But that could be an expensive experiment, I agree..
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