#12339: Free Groups
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Reporter: mmarco | Owner: joyner
Type: enhancement | Status: needs_review
Priority: minor | Milestone:
Component: group theory | Resolution:
Keywords: free groups | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Miguel Marco | Merged in:
Dependencies: | Stopgaps:
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Comment (by rbeezer):
On 64-bit Ubuntu 12.05, Sage 5.1.rc1, hardware is a 4-core Intel about 18
months old.
Seems similar to what John is seeing (roughly).
{{{
sage: time F=FreeGroup(4)
Time: CPU 0.02 s, Wall: 0.08 s
sage: time F.inject_variables()
Defining x0, x1, x2, x3
Time: CPU 0.03 s, Wall: 0.04 s
sage: time x=F([1,2,3,4,1,2,3,4])
Time: CPU 0.02 s, Wall: 0.02 s
sage: sage: time x^2
x0*x1*x2*x3*x0*x1*x2*x3*x0*x1*x2*x3*x0*x1*x2*x3
Time: CPU 0.06 s, Wall: 0.08 s
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12339#comment:36>
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