Build C++ wheel #4340
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Build C++ wheel #4340
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vyasr
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Epic
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Please open a PR at https://github.com/rapidsai/rapids-metadata to reflect the new project structure. This can be the same PR as the one that updates cudf. |
jameslamb
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Jul 3, 2024
| # Iterate over the array | ||
| for wheelhouse in "${WHEELHOUSES[@]}"; do | ||
| FIND_LINKS+="--find-links ${wheelhouse} " | ||
| done |
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Whenever we pick this back up, I think it'd be preferable to switch away from FIND_LINKS towards a constraint file, as described in rapidsai/build-planning#69 (comment).
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Closing as stale. We can rebase my branch later and open a new PR when we are ready. |
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Jan 18, 2025
Replaces #4340, contributes to rapidsai/build-planning#33. Proposes packaging `libcugraph` as a wheel, which is then re-used by `cugraph-cu{11,12}` and `pylibcugraph-cu{11,12}` wheels. ## Notes for Reviewers ### Benefits of these changes * smaller wheels (see "Size Changes" below) - *no more `pylibcugraph` and `cugraph` both holding copies of libcugraph.so* * faster compile times - *no more re-compiling RAFT, thanks to rapidsai/raft#2531 - *no more recompiling libcugraph.so in both `pylibcugraph` and `cugraph` wheel builds* * other benefits mentioned in rapidsai/build-planning#33 ### Wheel contents `libcugraph`: * `libcugraph.so` (shared library) * cuGraph headers * vendored dependencies (`fmt`, `spdlog`, CCCL, `cuco`) `pylibcugraph`: * `pylibcugraph` Python / Cython code and compiled Cython extensions `cugraph`: * `cugraph` Python / Cython code and compiled Cython extension ### Dependency Flows In short.... `libcugraph` contains `libcugraph.so` and `libcugraph_c.so` dynamic libraries and the headers to link against it. * Anything that needs to link against cuGraph at build time pulls in `libcugraph` wheels as a build dependency. * Anything that needs cuGraph's symbols at runtime pulls it in as a runtime dependency, and calls `libcugraph.load_library()`. For more details and some flowcharts, see rapidsai/build-planning#33 (comment) ### Size changes (CUDA 12, Python 3.12, x86_64) | wheel | num files (before) | num files (this PR) | size (before) | size (this PR) | |:---------------:|------------------:|-----------------:|--------------:|-------------:| | `libcugraph` | --- | 1762 | --- | 903M | | `pylibcugraph` | 190 | 187 | 901M | 2M | | `cugraph` | 315 | 313 | 899M | 3M | |**TOTAL** | **505** | **2,262** | **1,800M** | **908M** | *NOTES: size = compressed, "before" = 2025-01-13 nightlies* *This is a cuGraph-specific slice of the table from rapidsai/raft#2531. See that PR for details.* ### How I tested this These other PRs: * rapidsai/devcontainers#435 * rapidsai/cugraph-gnn#110 Authors: - James Lamb (https://github.com/jameslamb) - Ralph Liu (https://github.com/nv-rliu) - Bradley Dice (https://github.com/bdice) Approvers: - Brad Rees (https://github.com/BradReesWork) - Bradley Dice (https://github.com/bdice) URL: #4804
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This PR changes wheel building in RMM to create a separate C++ wheel that is then found from the Python wheel. The C++ wheel is now a hard dependency of the Python wheel. This allows Python packaging to more closely mirror the structure of our conda packaging, and the way we would normally wish to package these in any other manager. It also allows us to reduce package sizes by allowing better sharing of artifacts between different Python packages that rely on the same C++ components from other packages.
Contributes to rapidsai/build-planning#33