Results 5 issues of Michał Mandrysz

I think this is a bit more important to keep the reviews fluid.

This is a minor thing, but ultimately it would be really nice to know what "hard", "easy" etc. means in practice for a given card.

Here's the problem: xsimd/memory/../config/xsimd_arch.hpp:22:10: fatal error: sys/auxv.h: No such file or directory

We've been trying to use streambuilder to frequently update our ui according to updates incoming through the network, but found that the app memory usage (e.g. linux RSS) grows continuously...

memory leak

Hi! I've been here [before](https://github.com/xtensor-stack/xtensor/issues/2403) complaining about the lack of recent benchmarks. I hoped someone is going to do it, but since nobody showed up and I find many of...