opt_einsum (conda): Einsum is a very powerful function for contracting tensors of arbitrary dimension and index. However, it is typically only optimized to contract two terms at a time resulting in non-optimal scaling. This package optimizes the contraction order for arbitrarily large speedups. See the docs for more information: http://optimized-einsum.readthedocs.io
Keywords: contraction|einsum|gpu-acceleration|performance|python|tensor|tensor-contraction