Typechecker performance regression 6.12 -> 7.0.1
The attached module is a smaller version of the example in #4505.
With GHC 6.12.3 it takes 4s to compile (x86_64/Linux), whereas with 7.0.1 it takes 282s. HEAD seems about the same as 7.0.1.
Trac metadata
Trac field | Value |
---|---|
Version | 7.0.1 |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | high |
Resolution | Unresolved |
Component | Compiler (Type checker) |
Test case | |
Differential revisions | |
BlockedBy | |
Related | |
Blocking | |
CC | |
Operating system | |
Architecture |