#14159: Don't install callbacks on values of TripleDict, MonoDict
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Reporter: nbruin | Owner: tbd
Type: defect | Status: needs_review
Priority: major | Milestone: sage-5.8
Component: memleak | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers: Nils Bruin
Authors: Simon King | Merged in:
Dependencies: #13387, #14254 | Stopgaps:
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Comment (by SimonKing):
Apparently there is no significant difference:
{{{
sage: cython("""
cdef inline Py_ssize_t signed_id(object X):
<Py_ssize_t><void *>(X)
from sage.all import srange
def testcall():
cdef object i
for i in srange(10^6):
a = signed_id(i)
def testdirect():
cdef object i
for i in srange(10^6):
a = <Py_ssize_t><void *>(i)
""")
sage: %timeit testcall()
10000 loops, best of 3: 87.2 us per loop
sage: %timeit testdirect()
10000 loops, best of 3: 87 us per loop
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14159#comment:50>
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