jakirkham / dask-distance

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• add__atleast_2d
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Build # 539

Build Type

push

travis-ci

Committed by jakirkham

Commit Message

Vectorize away for-loop in pdist internal

Eliminate the `for`-loop and condition checking with `pdist`'s wrapper
function. Instead make use of boolean arrays and `nonzero` to extract
the relevant indices to compute over. Also make use of NumPy's
`apply_along_axis` to replace the `for`-loop with a vectorized NumPy
operation. Speeds up computation a bit for the diagonal blocks where
many of pairs of coordinates do not need the metric computed.

Run Details

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