#13352: Running time improvement of the bitset_len method
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Reporter: dcoudert | Owner: jason
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.3
Component: misc | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: David Coudert | Merged in:
Dependencies: | Stopgaps:
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Comment (by leif):
Replying to [comment:3 dcoudert]:
> Replying to [comment:2 leif]:
> > Not sure what the `parallel` refers to ... ;-)
> In fact, the 4 lines {{{ n = __COUNT32__(n, 0) }}} can be executed in
parallel
Well, obviously not, since you have the data dependence on `n`. ;-)
[[BR]]
Btw., you should use `UINT32_C(1)` instead of `0x1u` etc., and e.g.
`UINT32_MAX` instead of `(<uint32_t>-1)` (Cython code) etc.
The types of the shift parameters (of `__TWO??__()`) are slightly
overdim'ed...
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13352#comment:5>
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