[PATCH] D36388: [X86][SandyBridge] Additional updates to the SNB instructions scheduling information

[Chandler Carruth via Phabricator via llvm-commits]

chandlerc added a comment.

FYI, this shows a *very* substantial regression (>20% for some file formats and operations) for us on a compression benchmark. It is similar to the open source Snappy code. The open source Snappy benchmark regresses as well, but less severe: https://github.com/google/snappy

We're looking at why.


Repository:
  rL LLVM

https://reviews.llvm.org/D36388