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[Joachim Haga <jobh@xxxxxxxxx>]

Public bug reported:

In a matrix-multiplication heavy Python workload, I see something like
5-10% of the time being spent in get_tensor_type(). The attached patch
memoizes the result, per type. Seems to work fine, but should be sanity
checked (is per-type result ok?).

** Affects: dolfin
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/747297

Title:
  Python: Cache tensor types

Status in DOLFIN:
  New

Bug description:
  In a matrix-multiplication heavy Python workload, I see something like
  5-10% of the time being spent in get_tensor_type(). The attached patch
  memoizes the result, per type. Seems to work fine, but should be
  sanity checked (is per-type result ok?).