[Haskell-cafe] 7.10.2 : Compilation slowdown.
aditya.siram at gmail.com
Tue Sep 29 21:18:10 UTC 2015
Since upgrading to 7.10.2 from 7.8.4 I'm seeing a significant increase in
compilation time. I understand this is a known issue but since I'm seeing
something like a 3x slowdown but not across the board, I thought I'd ask.
Compilation time for the library I'm writing has remained about the same. I
am seeing the slowdown when compiling executables that use the library.
There are no other dependencies except base so I'm guessing it something in
my library causing the issue.
I lean heavily on the FFI, OverlappingInstances and HList style programming
in my library which leads me to believe that one of these is causing it. I
am seeing no difference in compilation speeds by adding the per instance
Can anyone advise or instruct me on how to profile the compiler?
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