Compilation speed regression
|Reported by:||augustss||Owned by:|
|Type of failure:||Compile-time performance bug||Test Case:|
|Related Tickets:||Differential Rev(s):|
Ghc has gotten slower at compiling. Compilation time for our code base in 6.12.4 was 23:40, and with the 7.0.4 it is 29:30. This is a 25% increase in compilation time. Both compilations with the same flags, -O2 being the most important one.