-ddump-timings flag chapter and parsing its output

haskellfoundation / hs-opt-handbook.github.io

The Haskell Optimization Handbook

https://haskell.foundation/hs-opt-handbook.github.io/

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-ddump-timings flag chapter and parsing its output #25

Open doyougnu opened 2 years ago

doyougnu commented 2 years ago

Be sure to describe in detail what the output means and how to interpret. A reader should be able to immediately gain insight into the runtime behavior of their program and pin-point the hot-spot.