On Wed, Jan 18, 2012 at 1:35 PM,
On Wed, 18 Jan 2012, Johan Tibell wrote:
IIRC you just replace the current functions with yours and run make in the benchmarks/ directory to compile the benchmark binaries (which use Criterion). Then simply run them.
I got an error trying to build the benchmarks:
$ ghc --version The Glorious Glasgow Haskell Compilation System, version 6.12.3
$ make ghc -DTESTING -cpp -O2 -fregs-graph -rtsopts --make -fforce-recomp -i.. -o bench-Map Map.hs [1 of 7] Compiling Data.StrictPair ( ../Data/StrictPair.hs, ../Data/StrictPair.o ) [2 of 7] Compiling Data.Set ( ../Data/Set.hs, ../Data/Set.o ) [3 of 7] Compiling Data.Map.Base ( ../Data/Map/Base.hs, ../Data/Map/Base.o ) [4 of 7] Compiling Data.Map.Lazy ( ../Data/Map/Lazy.hs, ../Data/Map/Lazy.o ) [5 of 7] Compiling Data.Map.Strict ( ../Data/Map/Strict.hs, ../Data/Map/Strict.o ) [6 of 7] Compiling Data.Map ( ../Data/Map.hs, ../Data/Map.o ) [7 of 7] Compiling Main ( Map.hs, Map.o ) Linking bench-Map ... ghc -DTESTING -cpp -O2 -fregs-graph -rtsopts --make -fforce-recomp -i.. -o bench-Set Set.hs [1 of 2] Compiling Data.Set ( ../Data/Set.hs, ../Data/Set.o ) [2 of 2] Compiling Main ( Set.hs, Set.o ) Linking bench-Set ... ghc -DTESTING -cpp -O2 -fregs-graph -rtsopts --make -fforce-recomp -i.. -o bench-IntMap IntMap.hs
../Data/IntMap/Base.hs:195:44: parse error on input `#' make: *** [bench-IntMap] Error 1
Any tips on how to proceed?
You've hit a bug in GHC 6.12.3; it doesn't handle conditional language pragmas well. In the beginning of Data/IntMap/Base.hs we have: {-# LANGUAGE CPP #-} #if __GLASGOW_HASKELL__ {-# LANGUAGE MagicHash, DeriveDataTypeable, StandaloneDeriving #-} #endif and 6.12.3 does the wrong thing here. Should work in 7.0. -- Johan