Profiling plugins

2017-06-06 Thread M Farkas-Dyck
How is this done? I am working on ConCat [https://github.com/conal/concat] and we need a profile of the plugin itself. I tried "stack test --profile" but that does a profile of the test program, not the plugin. Can i do this and not rebuild GHC? ___

RE: 8.2.1-rc2 upgrade report

2017-06-06 Thread Simon Peyton Jones via Glasgow-haskell-users
Thanks for the report. Going from 67G to 56G allocation is a very worthwhile improvement in runtime! Hurrah. However, trebling compile time is very bad. It is (I think) far from typical: generally 8.2 is faster at compiling than 8.0 so you must be hitting something weird. Anything you can

8.2.1-rc2 upgrade report

2017-06-06 Thread Alberto Valverde
Hi, I've finally managed to upgrade all the dependencies of the proprietary app I mentioned some days ago in this list and there are good and bad differences I've noticed between 8.0.2 that I'd like to share. The bad --- * An optimized cold build (-O2) is about 3 times slower (~53s vs.