#18868: a MemoryAllocator object for easier Cython memory management
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Reporter: ncohen | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.8
Component: cython | Keywords:
Merged in: | Authors: Nathann Cohen
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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This is a re-implementation of an example appearing in Cython's
documentation (see bottom of [1]).
The idea is simple: an object has a `.malloc` method, and returns arrays
of memory. When that object is garbage-collected, the memory it allocated
is automatically freed.
This makes it much easier to deal with C pointers in Cython code, which
must be freed before any 'return' and whenever an exception can be raised.
As an illustration of how useful this can be, I removed a *lot* of graph
code.
Nathann
[1] http://docs.cython.org/src/tutorial/memory_allocation.html
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Ticket URL: <http://trac.sagemath.org/ticket/18868>
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