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QR is slow and greedy #315

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Magalame opened this issue Jan 24, 2020 · 0 comments

Magalame commented Jan 24, 2020

I should have opened this issue some time ago. I wrote some benchmarks and it seems that QR factorization is exceptionally slow and greedy.

For a 100*100 matrix, it takes 60.3 ms and has a footprint of 67 MB. While a pure haskell library finishes in 1.7 ms, and 160kB.

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