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Welcome to another issue of Haskell Weekly! Haskell is a safe, purely functional programming language with a fast, concurrent runtime. This is a weekly summary of what’s going on in its community.

Featured

Jobs

Trying to hire a Haskell developer? You should advertise with us!

In brief

speedscope by Jamie Wong Welcome to speedscope, an interactive flamegraph visualizer. Use it to help you make your software faster.

Episode 21: Event Log by Haskell Weekly Podcast Cody Goodman and Taylor Fausak explore the event log that GHC can produce when compiling or running.

Why we decided to go for the Big Rewrite by Robert Kreuzer In this post we will try to give a more general framework on how to answer this question for a specific project and we will also tell our story of rewriting the core data processing system that powers Channable.

Package of the week

This week’s package of the week is bitvec , a library that provides a newtype over Bool with a better Vector instance: 8x less memory, up to 1000x faster.

Call for participation

Looking for something to work on? Browse Haskell Hacktoberfest issues on GitHub.