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[python] Include guidance for older CPU architectures #2643

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May 25, 2024
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[python] Include guidance for older CPU architectures #2643

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[python] Include guidance for older CPU architectures
johnkerl May 24, 2024
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johnkerl May 24, 2024
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10 changes: 10 additions & 0 deletions apis/python/README.md
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Expand Up @@ -26,6 +26,16 @@ To update to the latest version:
$ python -m pip install --upgrade tiledbsoma
```

In case of `illegal instruction` errors when running on older architectures --- e.g. Opteron, non-AVX2 --- the issue is that the pre-compiled binaries available at Conda or PyPI aren't targeted for all processor variants over time. You can install from source, as shown below.

To see if this is the issue, on Linux:

```
grep avx2 /proc/cpuinfo
```

If this comes up empty for your system, you'll definitely need to build from source to run TileDB-SOMA on that system.

## From source

* This requires [`tiledb`](https://github.com/TileDB-Inc/TileDB-Py) (see [./setup.cfg](setup.cfg) for version), in addition to other dependencies in [setup.cfg](./setup.cfg).
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