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Diffstat (limited to '080_blog/00040_Haskell/00020_GHC-Notes')
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diff --git a/080_blog/00040_Haskell/00020_GHC-Notes/index.md b/080_blog/00040_Haskell/00020_GHC-Notes/index.md deleted file mode 100644 index c945319..0000000 --- a/080_blog/00040_Haskell/00020_GHC-Notes/index.md +++ /dev/null @@ -1,39 +0,0 @@ -# The Glasgow Haskell Compiler - -## Some GHC Flags - - -v verbose mode - -O2 level 2 optimizations - -rtsopts allow +RTS flags - -prof enable basic time and allocation profiling - -auto-all cost centers on all top level functions - (you can also add them via the SCC pragma) - -caf-all generate data for CAFs (constant applicative forms) - -fforce-recomp force recompilation - -threaded Use threaed runtime - -eventlog enables +RTS -l flag - - -Wall - -Werror - - Notes: you will obtain the profiling versions of dependancies via: - stack install --profile [libraryname] - - -fprof-auto replaced -auto-all - -fprof-cafs replaced -caf-all - -## Some +RTS flags - - -K set stack limit - -s statistic reporting - -p profiling - -hc extract heap profile - -hy allocation by type - -hd allocation by constructor - -ix x is sampling frequency in seconds. e.g. 0.01) - -Nx x is number of cores to utilize - -l emit log file (can be used threadscope) - -ddump-simpl generate core - - Note: render the heap profile as graph with: hp2ps -e8in -c file.hp - show eventlog with: threadscope file.eventlog |