Re: [eigen] Eigen containers cannot be vectorized

[Christoph Hertzberg <chtz@xxxxxxxxxxxxxxxxxxxxxxxx>]

On 2016-12-08 15:03, Francois Fayard wrote:
> I was also surprised to see that in debug mode, bounds checking is done with: assert(i >=0 && i < n). This can be optimized into assert(static_cast<std::size_t>(i) < static_cast<std::size_t>(n)).

I would be surprised if any reasonably good compiler fails to see that 
optimization. I did not check though, and I guess it should not matter, 
since one should have disabled assertions if one really needs the last 
bit of performance (of course, only after making sure that everything works)

Christoph





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