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nvcompBatchedZstdCompressGetTempSizeAsync returns monstrous temp buffer sizes #291
Description
[reposting here because I originally missed the instruction in the legacy nvcomp repo to post issues here instead]
nvcompBatchedZstdCompressGetTempSizeAsync returns giant values for temp_bytes, no matter the size of the input data. Even if only 4 bytes are being compressed, the temp buffer size returned will be around 500mb.
Surely a temp buffer of that size isn't actually required for such a small chunk of data to compress?
Activity
proc-sim commentedon Oct 24, 2025
Ex: this returns a comp_temp_bytes value of roughly 540mb, despite only compressing 4 bytes:
proc-sim commentedon Jan 14, 2026
nvComp 5.1.0 was released - but I don't see anything related to this in the release notes. Will this issue be addressed in a future build?