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 # is\_optimizing\_numpy\_arrays

 Last update: 29.04.2026 

<a id="ansys.meshing.prime.is_optimizing_numpy_arrays"></a>

### ansys.meshing.prime.is\_optimizing\_numpy\_arrays()

Determine if serialization of numpy arrays is enabled.

The default for optimization is always `True`.

**Returns:**

**[bool](https://docs.python.org/3.11/library/stdtypes.html#bltin-boolean-values)**

Boolean flag indicating if optimizing of numpy arrays is enabled.