#13352: Running time improvement of the bitset_len method
---------------------------------+----------------------------
Reporter: dcoudert | Owner: jason
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.12
Component: misc | Resolution:
Keywords: | Merged in:
Authors: David Coudert | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by ncohen):
HMmmmmmm `O_o`
What I get when running tests is :
{{{
Traceback (most recent call last):
File "/home/ncohen/.Sage/local/bin/sage-runtests", line 79, in <module>
from sage.doctest.control import DocTestController
File "/home/ncohen/.Sage/local/lib/python2.7/site-
packages/sage/doctest/control.py", line 27, in <module>
from sources import FileDocTestSource, DictAsObject
File "/home/ncohen/.Sage/local/lib/python2.7/site-
packages/sage/doctest/sources.py", line 27, in <module>
from util import NestedName
File "/home/ncohen/.Sage/local/lib/python2.7/site-
packages/sage/doctest/util.py", line 23, in <module>
from sage.misc.misc import walltime, cputime
File "/home/ncohen/.Sage/local/lib/python2.7/site-
packages/sage/misc/misc.py", line 565, in <module>
from sage.misc.misc_c import prod, running_total, balanced_sum,
is_64_bit, is_32_bit
ImportError: /home/ncohen/.Sage/local/lib/python2.7/site-
packages/sage/misc/misc_c.so: undefined symbol: __builtin_popcount
}}}
Nathann
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Ticket URL: <http://trac.sagemath.org/ticket/13352#comment:21>
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