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JuliaLinearAlgebra / MatrixDepot.jl

An Extensible Test Matrix Collection for Julia
http://matrixdepotjl.readthedocs.org/
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Vandermonde performance #2

Closed synapticarbors closed 9 years ago

synapticarbors commented 9 years ago

While performance might not be the primary goal of this package, I thought I'd mention that while trying to get a handle on Julia's performance, I benchmarked a number of Vandermonde implementations, including the one in MatrixDepot against numpy's np.vander. The results are here:

http://nbviewer.ipython.org/gist/synapticarbors/26910166ab775c04c47b

I'd be happy to submit a PR implementing vander3 if you're interested.

weijianzhg commented 9 years ago

That's great stuff. Thanks. I am always interested in improving the performance. Please submit a pull request.