iarray.partition_advice#
- iarray.partition_advice(shape, min_chunksize=0, max_chunksize=0, min_blocksize=0, max_blocksize=0, cfg=None)#
Provide advice for the chunk and block shapes for a certain dtshape.
- Parameters
shape¶ (Sequence) – The shape of the array.
min_chunksize¶ (int) – Minimum value for chunksize (in bytes). If 0 (default), a sensible value is chosen.
max_chunksize¶ (int) – Maximum value for chunksize (in bytes). If 0 (default), a sensible value is chosen.
min_bloksize¶ (int) – Minimum value for blocksize (in bytes). If 0 (default), a sensible value is chosen.
max_bloksize¶ (int) – Maximum value for blocksize (in bytes). If 0 (default), a sensible value is chosen.
cfg¶ (
Config) – A configuration. If None, the global configuration is used.
- Returns
If success, a (chunks, blocks) containing the advice is returned. In case of error, a (None, None) is returned and a warning is issued.
- Return type
tuple