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Re: the competition's expm vs ours
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From: |
Jordi Gutiérrez Hermoso |
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Subject: |
Re: the competition's expm vs ours |
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Date: |
Wed, 12 Nov 2008 18:09:31 -0600 |
2008/11/12 David Bateman <address@hidden>:
> Jordi Gutiérrez Hermoso wrote:
>>
>> I just ran into a "benchmark" in a blog somewhere that suggests that
>> our expm is slower than Matlab's.
>>
>
> Jaroslav can probably do a better job at that than I can as he worked on
> this part of the code... However, can you put us to the benchmark?
It wasn't anything impressive. Just ran expm a couple of times on
rand(300), and we lost by a factor of 8 or so. I can't find it again.
:-/
I just want to confirm if we are indeed this slow. And also some
hints, because I can't find the actual implementation.
- Jordi G. H.