Dataframe will run faster in ghci if we change the dataframe.sh script to use -fobject-code
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Running
cabal repl -O2still has the library running far slower than it probably should. Parsing the 9 MB csv file "effects-of-covid-19-on-trade-at-15-december-2021-provisional.csv" takes over 9 seconds on my machineI found that it runs much faster when I do
cabal repl --ghc-options="-O2 -fobject-code". The-fobject-codemakes ghci use the compiled object code instead of the interpreted byte code which gives an order of magnitude difference from what I see. Reference: https://downloads.haskell.org/ghc/7.8.3/docs/html/users_guide/ghci-obj.htmlThe tradeoff, of course, is that the first time the user spins up the dataframe repl it'll be much slower