Take advantage of AMX

Describe the feature you would like to be implemented.

eigen to take advantage/generate instructions for AMX at least for 2d sgemm

Would such a feature be useful for other users? Why?

Yes, anyone using 4th gen intel cpus

Any hints on how to implement the requested feature?

look at onemkl, onednn and/or onnxruntime source code ?

Additional resources

perhaps https://en.wikichip.org/wiki/x86/amx

https://github.com/mikeroyal/AMX-Guide