Yao Matrix

@OlivierDehaene , could you help review? Thx

@libinta and @regisss , could you help on final review and merge.

@XinyuYe-Intel , pls 1) provide the performance and output comparison btw Gaudi2 and A100 2) add ci test, thx.

@pi314ever Daniel, pls list out performance benchmark btw Gaudi 2 and A100.

@lkk12014402 , pls 1) provide performance and convergence comparisons btw A100 and Gaudi2 2) pls add ci, thx.

> Hi all, I am using this PR for one of our opensource research code. Would like to know when will this PR get merged so I can use it...

@amyeroberts , do you have any further comments on this? Thx.

same question here.