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Author Topic: Calculating memory usage  (Read 6004 times)

Kjellis85

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Calculating memory usage
« on: March 09, 2012, 06:05:48 PM »
Can anyone show how to calculate estimated RAM usage when building geometry? For example, X number of photos at Y size times Z quality equals A memory.
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Wishgranter

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Re: Calculating memory usage
« Reply #1 on: March 09, 2012, 07:02:36 PM »
this should be explained a few months back, so im waiting too on how to calculate RAM usage for bigger projects - fro examinig what a PC is need for jobs......
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Berkal

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Re: Calculating memory usage
« Reply #2 on: November 10, 2013, 07:21:45 PM »
What was the answer to this question?
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Wishgranter

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Re: Calculating memory usage
« Reply #3 on: November 10, 2013, 07:25:40 PM »
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Andrew

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Re: Calculating memory usage
« Reply #4 on: November 10, 2013, 10:53:59 PM »
Isn't that page out of date though? I believe that PS 1.0.0 brought significant changes (dense point cloud) and some reduction in memory requirements? I never ran any comparisons between old PS and 1.0.0 prerelease, but it certainly felt I could deal with larger projects than previously.
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Wishgranter

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Re: Calculating memory usage
« Reply #5 on: November 11, 2013, 12:25:45 AM »
Yes 1.0.xxxx version is a bit better on memory use but still the info is a good as guideline.....
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Berkal

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Re: Calculating memory usage
« Reply #6 on: November 11, 2013, 07:23:30 AM »
Correct me if I am wrong, but if I am processing 72 photos (18megapixels) at high quality in Arbitrary mode, I would need about 36GB(DDR3-1600) of RAM? If I had a good GPU would that reduce the RAM requirement by much?
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Berkal

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Re: Calculating memory usage
« Reply #7 on: November 11, 2013, 07:37:07 AM »
I forgot to mention that the size of the photo is 5184x3456 pixels.
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Wishgranter

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Re: Calculating memory usage
« Reply #8 on: November 11, 2013, 10:36:25 AM »
NO. GPU mem is not that help here.. Close range  Photogrammetry was for a long time out of reach because of CPU speed and RAM usage..... the numbers are informative, every scene is different so the guideline is good to see what can be expected..... 
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