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Nvidia discusses their lossless delta color compression is on its fourth generation in Pascal, and that it transparently saves bandwidth behind the scenes for rendering workloads. AMD has a similar technology, discussed in detail here: https://gpuopen.com/dcc-overview/

Do the same limitations apply to Nvidia's compression? They don't seem to discuss it in context of developer guidance.

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  • $\begingroup$ As a designer of a GPU lossless image compression system, most of these seem to make sense, with the possible exception of using 32-bit float over 16-bit. Surely the LSBs of floating point data become increasingly less coherent and thus harder to compress. $\endgroup$
    – Simon F
    Jan 29, 2018 at 9:06

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