One caveat with the ramdisk option, the ramdisk does not specifically
use only 'wired' physical ram, but is treated like normal memory
allocation actions in general sense, which means the OS may swap the
ramdisk to VM, which means your ram disks contents may very well get
dumped on to the physical harddrive as swap...
So just pointing out the ram disk is not a guarantee that the contents
are in hardware ram, but instead are in 'memory'.
On Feb 27, 2008, at 9:38 PM, Michael Diehr wrote:
On Feb 27, 2008, at 3:14 PM, Julien-Robert Legault Salvail wrote:
Thank you. That helps. I was not able to use your script. I copied
the script in a text file and I execute it in terminal like that:
jrls-pro:~ jrls$ chmod +x /Users/jrls/Desktop/ram.sh
jrls-pro:~ jrls$ chmod 0755 /Users/jrls/Desktop/ram.sh
jrls-pro:~ jrls$ /Users/jrls/Desktop/ram.sh
Usage: newRamDisk.sh <size in MB>
Example: newRamDisk.sh 20
But nothing appends after that. Will there be a new drive in the
Finder?
you must specify the size in MB, e.g.
cd ~/Desktop
./newRamDisk.sh 256
It will then create and mount a ram disk, e.g. "RamDisk256"
From hard drive
Movie loader Asynch mode off : 27
Movie loader Asynch mode on : 27
Movie's cache hint on : 28
From ram disk
Movie loader Asynch mode off : 25
Movie loader Asynch mode on : 28
Movie's cache hint on : 27
It was difficult to find an average frame rate because it moves
quite a lot.
I agree -- I find the "frame rate" patch, set to "average over last
second" hooked to an Image With String patch on a billboard is the
best way to check the average frame rate.
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