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+---
+title: Sylvain Henry
+episode: 84
+buzzsproutId: 19412450
+recorded: 2026-01-27
+published: 2026-06-28
+---
+
+In this episode of the Haskell Interlude, we are joined by Sylvain
+Henry, one of the all-time top contributors to GHC. He tells us about
+his work on GHC, the bignum library, modularization, and the secret to
+becoming a top contributor!
diff --git a/podcast/84/links.markdown b/podcast/84/links.markdown
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+- [Paper: Build Systems a la Carte](https://dl.acm.org/doi/10.1145/3236774)
+- [Paper: GRIP—A high-performance architecture for parallel graph reduction](https://dl.acm.org/doi/10.5555/36583.36590)
+- [Paper: ViperVM: a Runtime System for Parallel Functional High-Performance Computing on Heterogeneous Architectures](https://hsyl20.fr/files/papers/shenry_2013_fhpc.pdf)
+- [Domain-Driven Design](https://en.wikipedia.org/wiki/Domain-driven_design)
+- [Whitepaper: Modularizing GHC](https://hsyl20.fr/files/papers/2022-ghc-modularity.pdf)
+- [Matthew Pickering - The Interface for Multiple Home Units](https://well-typed.com/blog/2022/01/multiple-home-units/)
+- [GHC BigNum library](https://hackage.haskell.org/package/ghc-bignum)
+- [GHC JS](https://github.com/ghcjs/ghcjs)
+- [The Asterius Compiler](https://github.com/tweag/asterius)
+- [Zig language](https://ziglang.org/)
+- [Stable Haskell Project](https://www.stable-haskell.org/)
+- [Unison language](https://www.unison-lang.org/)
+- [MicroHS](https://hackage.haskell.org/package/MicroHs)
+- [IOG](https://www.iog.io/)
+- [Haskus](https://haskus.org/)
+- [Perf](https://perfwiki.github.io/main/)
+- [Hadrian](https://gitlab.haskell.org/ghc/ghc/-/tree/master/hadrian)