Forward-merge release/26.10 into main - #24115
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Defaults cudf-polars to the kvikio MULTI_POLL backend with new defaults for `kvikio_task_size`, `kvikio_bounce_buffer_bytes`, `kvikio_reactor_count`, `kvikio_reactor_dispatch`, and `kvikio_request_ceiling`. These are the best defaults we've found based on benchmarking on a g7e.8xlarge instance. | Setting | MULTI_POLL default | EASY_THREADPOOL default | |---|---|---| | `kvikio_remote_io_backend` | `MULTI_POLL` | `EASY_THREADPOOL` | | `kvikio_task_size` | 16 MiB | 64 MiB | | `kvikio_bounce_buffer_bytes` | 16 MiB | 16 MiB | | `kvikio_nthreads` | unset (defers to kvikio's own default) | 256 | | `kvikio_reactor_count` | 24 | not used | | `kvikio_reactor_dispatch` | `PER_CHUNK` | not used | | `kvikio_request_ceiling` | 256 | not used | Notes: - MULTI_POLL doesn't use `kvikio_nthreads` for remote I/O, it uses the reactor threads instead, so we don't force that pool to 256 threads under MULTI_POLL. - EASY_THREADPOOL doesn't use the reactor settings at all. - `kvikio_bounce_buffer_bytes` applies to both backends, it's not MULTI_POLL-specific. - Depends on rapidsai/kvikio#1049 - Depends on #23683 Authors: - Matthew Murray (https://github.com/Matt711) - Peter Andreas Entschev (https://github.com/pentschev) Approvers: - Peter Andreas Entschev (https://github.com/pentschev) URL: #23839
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FAILURE - Unable to forward-merge due to an error, manual merge is necessary. Do not use the IMPORTANT: When merging this PR, do not use the auto-merger (i.e. the |
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Signed-off-by: nvskills-svc-account <svc-nvskills-signing@nvidia.com>
Fixes undefined behavior in `cudf::io::parquet::detail::CompactProtocolReader::get_varint`, where a shift operation can shift number past the bit width of the result type. New tests are added to cover such corner cases. Authors: - Nghia Truong (https://github.com/ttnghia) Approvers: - Lawrence Mitchell (https://github.com/wence-) - Muhammad Haseeb (https://github.com/mhaseeb123) - Igor Peshansky (https://github.com/igorpeshansky) - Vukasin Milovanovic (https://github.com/vuule) URL: #23346
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This PR adds significant improvements to hybrid scan metadata handling including: - Add a new constructor that takes in pre-materialized footers via move semantics. - Reuse the parallel footer parser from base class. - Enable skipping page-index setup when moved in footer already has it. - Mismatched schema across files only resolved for selected columns at column selection time. - Similarly, mismatched nullability across sources only resolved at column selection time. - Honors case sensitive names in column selection. - Uses per-source column-chunk mapping in `create_global_chunk_info` which previously reused row group zero's mapping across all sources. - Fixes `reset_output_buffers` to reset the buffers as well as the template. Authors: - Muhammad Haseeb (https://github.com/mhaseeb123) Approvers: - Vukasin Milovanovic (https://github.com/vuule) - Nghia Truong (https://github.com/ttnghia) URL: #23795
Follows up #23836. Do not turn on pinned memory for systems that do not support it. Authors: - Matthew Murray (https://github.com/Matt711) Approvers: - Tom Augspurger (https://github.com/TomAugspurger) - Peter Andreas Entschev (https://github.com/pentschev) URL: #24129
) This reverts commit 4416a6c. Per discussion, this barely has any time savings per build, and there at least two multi-process caching bugs in released Cython versions today: - cython/cython#7983 and cython/cython#7985 Until we're happy that caching in Cython is safe to use in a multi-job build situation, let's just disable it. Authors: - Lawrence Mitchell (https://github.com/wence-) Approvers: - Gil Forsyth (https://github.com/gforsyth) - Bradley Dice (https://github.com/bdice) URL: #24132
Updated cudf-polars to support Polars 1.43 and Polars 1.44. The plan is to support Polars 2 in the next release. And remove all 1.XX version guards. Authors: - Matthew Murray (https://github.com/Matt711) Approvers: - Kyle Edwards (https://github.com/KyleFromNVIDIA) - Matthew Roeschke (https://github.com/mroeschke) URL: #23914
Rewrite skills docs links
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Forward-merge triggered by push to release/26.10 that creates a PR to keep main up-to-date. If this PR is unable to be immediately merged due to conflicts, it will remain open for the team to manually merge. See forward-merger docs for more info.