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Sep 16, 2012 at 19:34 comment added Anthony Bak Dionysus also has python bindings.
Sep 15, 2012 at 6:20 comment added Mikael Vejdemo-Johansson I know Dionysus can deal with several million, not sure where the upper limit resides. In particular, the upper limit probably depends a lot on what size computer you have access.
Sep 12, 2012 at 17:15 comment added Ryan Budney Can Dionysus handle 15 million dimensional chain complexes?
Sep 12, 2012 at 13:00 comment added David E Speyer Since the example in question comes from the cohomology of a moduli space, I suspect that $H^{\ast}(X, \mathbb{Z})$ does not have a lot of torsion. By computing cohomology with $\mathbb{Z}/p$ coefficients for several different large $p$, and staring at the universal coefficient theorem, you might be able to make an intelligent guess as to what the torsion free part of $H^{\ast}(X, \mathbb{Z})$ is.
Sep 12, 2012 at 11:08 comment added Steve Huntsman I would add that the case of $\mathbb{Z}/2\mathbb{Z}$ in particular is most convenient computationally, and is covered in great detail in Edelsbrunner and Harer or Zomorodian.
Sep 12, 2012 at 9:22 history answered Mikael Vejdemo-Johansson CC BY-SA 3.0