memory & performance tuning

memory requirements Processing a raw image in Ansel requires a great deal of system memory. A simple calculation makes this clear: For a 20 megapixel image, Ansel requires a 4x32-bit floating point cell to store each pixel, meaning that each full image of this size will require approximately 300MB of memory just to store the image data. In order to actually process this image through a given module, Ansel needs at least two buffers (input and output) of this size, with more complex modules potentially requiring several additional buffers for intermediate data.

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