#13940: Calling ntl.zz_p(x,0) crashes sage
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Reporter: mjo | Owner: AlexGhitza
Type: defect | Status: new
Priority: minor | Milestone: sage-5.8
Component: algebra | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: | Stopgaps:
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Comment (by jdemeyer):
The thing with `sig_on()` is that everybody is claiming that
`sig_on()`/`sig_off()` is extremely slow, using that as an excuses not to
use it.
But in reality, `sig_on()` and `sig_off()` together take about 21 clock
cycles on a Xeon X7460 (On Linux 2.6.24 with glibc 2.7). It's something
and it cannot totally be ignored, but it would only really matter in very
low-level code.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13940#comment:3>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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