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PR: Transform parallelism md to rst #380

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Jan 24, 2022
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PR: Transform parallelism md to rst #380

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7 changes: 4 additions & 3 deletions spec/design_topics/parallelism.md → spec/design_topics/parallelism.rst
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@@ -1,4 +1,5 @@
# Parallelism
Parallelism
===========

Parallelism is mostly, but not completely, an execution or runtime concern
rather than an API concern. Execution semantics are out of scope for this API
Expand All @@ -7,7 +8,7 @@ involves how libraries allow users to exercise control over the parallelism
they offer, such as:

- Via environment variables. This is the method of choice for BLAS libraries and libraries using OpenMP.
- Via a keyword to individual functions or methods. Examples include the `n_jobs` keyword used in scikit-learn and the `workers` keyword used in SciPy.
- Via a keyword to individual functions or methods. Examples include the ``n_jobs`` keyword used in scikit-learn and the ``workers`` keyword used in SciPy.
- Build-time settings to enable a parallel or distributed backend.
- Via letting the user set chunk sizes. Dask uses this approach.

Expand All @@ -19,5 +20,5 @@ coordination of parallelization behavior in a stack of Python libraries are:
2. A common library providing a parallelization layer

Option (1) may possibly fit in a future version of this array API standard.
[array-api issue 4](https://github.com/data-apis/array-api/issues/4) contains
`array-api issue 4 <https://github.com/data-apis/array-api/issues/4>`_ contains
more detailed discussion on the topic of parallelism.