CSE’ing w/w’ed code regresses program runtime
Commit changeset:fe04f378/ghc, which fixed #14186 (closed), causes two runtime regressions:
nofib/time/integer 1.529 + 4.19% 1.593 seconds
nofib/time/lambda 1.041 + 7.3% 1.117 seconds
Sigh. I guess it up to me to track that one down.
Trac metadata
Trac field | Value |
---|---|
Version | 8.2.1 |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | Compiler |
Test case | |
Differential revisions | |
BlockedBy | |
Related | |
Blocking | |
CC | |
Operating system | |
Architecture |