Compute the chunk sizes for a Dask array. This is especially useful when the chunk sizes are unknown (e.g., when indexing one Dask array with another).
This function modifies the Dask array in-place.
>>> import dask.array as da >>> import numpy as np >>> x = da.from_array([-2, -1, 0, 1, 2], chunks=2) >>> x.chunks ((2, 2, 1),) >>> y = x[x <= 0] >>> y.chunks ((nan, nan, nan),) >>> y.compute_chunk_sizes() # in-place computation dask.array<getitem, shape=(3,), dtype=int64, chunksize=(2,), chunktype=numpy.ndarray> >>> y.chunks ((2, 1, 0),)
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