Automatically dispatch between host and device decompression/compression based on the number of buffers #18363
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vuule
added
feature request
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Did not add tests because the impact is really only on the implementation, should have no observable change in behavior. Host compression/decompression is already tested. |
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Description
Issue: #17641
Add support for dynamically using host decompression/compression over the kernel implementation, where the host option is used when the number of buffer is below a certain threshold. This dynamic dispatch is enabled separately for decompression and compression by setting
LIBCUDF_HOST_DECOMPRESSIONorLIBCUDF_HOST_COMPRESSIONto "AUTO".The threshold is based on limited testing. Users can also set the threshold via
LIBCUDF_HOST_DECOMPRESSION_THRESHOLD andLIBCUDF_HOST_COMPRESSION_THRESHOLD.Checklist