#29223 closed enhancement (fixed)

Pickle cached value of volume and f-vector

Reported by: gh-kliem Owned by:
Priority: minor Milestone: sage-9.1
Component: geometry Keywords: polyhedron, pickling, volume, f_vector
Cc: jipilab, gh-LaisRast Merged in:
Authors: Jonathan Kliem Reviewers: Laith Rastanawi
Report Upstream: N/A Work issues:
Branch: cd13c82 (Commits, GitHub, GitLab) Commit: cd13c82fd2dbfb8300ca04b3fb278d7af19daf49
Dependencies: Stopgaps:

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Description (last modified by gh-kliem)

Volume, f-vector and Ehrhart polynomial of polyhedra can be hard to compute, but take little memory when saving.

So we pickle those values, e.g.

+    @cached_method(do_pickle=True)
-    @cached_method
     def f_vector(self):

Change History (4)

comment:1 Changed 14 months ago by gh-kliem

  • Authors set to Jonathan Kliem
  • Branch set to public/29223
  • Commit set to cd13c82fd2dbfb8300ca04b3fb278d7af19daf49
  • Description modified (diff)
  • Status changed from new to needs_review

New commits:

f28363dpickle cache of volume, f_vector, ehrhart polynomial
cd13c82typo

comment:2 Changed 14 months ago by gh-LaisRast

  • Reviewers set to Laith Rastanawi
  • Status changed from needs_review to positive_review

It looks good to me. Is there a reason why you did not do the same for functions of CombinatorialPolyhedron??

comment:3 Changed 14 months ago by gh-kliem

Yes, CombinatorialPolyhedron doesn't exactly pickle. It just reduces, i.e. save enough data to initialize the object again. At some point one could think about a better way of pickling, of course.

comment:4 Changed 14 months ago by vbraun

  • Branch changed from public/29223 to cd13c82fd2dbfb8300ca04b3fb278d7af19daf49
  • Resolution set to fixed
  • Status changed from positive_review to closed
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