#19258: Speedup tensor products of cyclotomic matrices
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Reporter: tscrim | Owner: tscrim
Type: defect | Status: needs_review
Priority: major | Milestone: sage-6.9
Component: number fields | Resolution:
Keywords: | Merged in:
Authors: Travis Scrimshaw | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
public/matrices/speedup_cyclotomic_tensor_product-19258|
ff76bcd27b88e8b49f6001e40de36c9bd1ced32f
Dependencies: | Stopgaps:
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Changes (by tscrim):
* status: new => needs_review
* commit: => ff76bcd27b88e8b49f6001e40de36c9bd1ced32f
* branch: => public/matrices/speedup_cyclotomic_tensor_product-19258
Comment:
With the branch:
{{{
sage: C = CyclotomicField(12)
sage: M = matrix.random(C, 3,3)
sage: N = matrix.random(C, 50, 50)
sage: %timeit M.tensor_product(N)
10 loops, best of 3: 88.8 ms per loop
sage: %timeit N.tensor_product(M)
1 loops, best of 3: 347 ms per loop
}}}
----
New commits:
||[http://git.sagemath.org/sage.git/commit/?id=ff76bcd27b88e8b49f6001e40de36c9bd1ced32f
ff76bcd]||{{{Implementing custom tensor_product for cyclotomic
matrices.}}}||
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Ticket URL: <http://trac.sagemath.org/ticket/19258#comment:1>
Sage <http://www.sagemath.org>
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