[Mlir-commits] [mlir] [mlir] Optimize ThreadLocalCache by removing atomic bottleneck (attempt #3) (PR #93315)

[Jeff Niu]

Mogball wrote:

This is a resubmit of the second version, which I hope fixes the underlying race issue. Someone please carefully read this code and make sure I'm right :( 

Also restores the removed header to ensure the build doesn't break.

https://github.com/llvm/llvm-project/pull/93315