#249: a much needed preparser optimization -- factor out constants
------------------------------+---------------------------------------------
Reporter: was | Owner: somebody
Type: enhancement | Status: new
Priority: major | Milestone: sage-3.1.3
Component: basic arithmetic | Resolution:
Keywords: |
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Comment (by robertwb):
It makes even more of a difference for real numbers.
Before
{{{
%time
x = 0
while x < 1e5:
x += 1.5
CPU time: 0.71 s, Wall time: 0.73 s
}}}
After
{{{
%time
x = 0
while x < 1e5:
x += 1.5
CPU time: 0.06 s, Wall time: 0.06 s
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/249#comment:6>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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