"Victor Miraldo (UU)" <v.cacciarimira...@uu.nl> writes: > Hello, > >>>>> I have just tried compiling my code with 8.4.2 and using >>>>> -fmax-pmcheck-iterations=0, >>>>> I gave GHC 12GB of ram and it still ran out (through `ulimit >>>>> -v$((1024*1024*12))`). >>>>> >>>> Hmmm, I'm a bit confused. Why are our results so different? How >>>> precisely are you invoking GHC? >>> >>> Here I meant my whole code, not just the repro. I could have been more >>> clear. >>> Nevertheless, I'm calling it through stack: >>> >> I'll admit that I am a bit lost; Minimal.hs compiles for me with a >> maximum residency of ~3.5 GBytes with both -O1 and the PM check enabled >> using GHC 8.4.1. Is this not the repro you are referring to? > > I get the same behavior as you for Minimal.hs. > > The "my code" above referred to the whole library that I'm developping. > In fact, the Minimal.hs file contains a distilled version of that library with > a template haskell splice that we are trying to use in one of our > fully fledged examples. > Okay, I just wanted to be certain we were indeed seeing the same behavior. Indeed 3.5 GB is quite a lot of memory for a 700 LoC program, even one with the deep matches seen in Minimal.hs.
Cheers, - Ben
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