On Thu, 2014-02-20 at 19:07 +0100, Armin Rigo wrote: > If you say in numpy "a + b + c", the intermediate matrix "a + b" is > built and forgotten. This would not be needed if we had a way to do > the sum of the three input matrices in one go. Hi Armin, FYI: https://github.com/numpy/numpy/pull/4322 -- Sincerely yours, Yury V. Zaytsev