Re: [micro-manager-general] Clearing RAM issue

[Shawn C. <gra...@gm...>]

Hmm, I do have a custom plug-in I'm using written in Java. I'm not sure
what references I would free - doesn't garbage collection take care of
this? Here's a bit of my code where I save my imagestack:

============= start code ===============



ImagePlus imp = IJ.getImage();

IJ.run(imp, "AVI... ", "compression=Uncompressed frame=" + fps + " save=["+
vidName + ".avi]");

imp.close();




============ end code ====================

for my acquire code, I simply use the acquisition engine: acq_acquire();

My main problem is the FPS is being reduced after my first video
acquisition. Any idea what would cause this besides RAM? I was monitoring
the RAM usage and it was steadily increasing with each video acquisition
without clearing.

Thanks a bunch!

Shawn


On Tue, Aug 19, 2014 at 11:49 AM, Chris Weisiger <cwe...@ms...>
wrote:

> Hi Shawn,
>
> On Tue, Aug 19, 2014 at 11:09 AM, Shawn Cho <gra...@gm...> wrote:
>
>> Greetings,
>>
>> When I run MM and acquire my first multi-d stack image, I get an FPS of
>> ~150 with my camera. Then I take the same image again, but the FPS drops
>> down to ~82. Is there a way to clear the ram before acquiring my second
>> image? It would also help to tell me the Java code that goes with this
>> function. Thanks you!
>>
>>
> All you should need to do to release the RAM associated with an
> acquisition is close the acquisition window. If you have custom code (like
> a plugin or Beanshell script) that refers to the acquisition data, then
> that code will need to remove references to the data for it to be released.
>
> Do you have particular reason to suspect RAM utilization as being the
> problem? Normally I would expect that if you're having trouble with RAM,
> then the acquisition would outright fail, rather than work at a reduced
> speed.
>
> -Chris
>
>
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-- 
-Shawn C.