xsimd::transform replacement

[bbias]

Hello xsimd maintainers,

I noticed that the xsimd::transform function has been removed in version 10.0 of the xsimd library. I was wondering what the reason for this removal is and what the recommended best practice is for performing SIMD-optimized transform operations in its place.

Thank you for your insights!

[serge-sans-paille]

We removed it because it doesn't belong to the core of xsimd, and we planned to fill https://github.com/xtensor-stack/xsimd-algorithm as an extension. As you can see, this hasn't been done (yet?). @JohanMabille I think I know your answer on that topic, but could you expand?

@bbias current approach would be to write the plain loop, which may be specialized to your use case (aligned / unaligned loads, unrolling factor etc)