ブックマーク / tweag.io (14)
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igrep 2023/12/12
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Threads and messages with Rust and WebAssembly
On most systems, you can implement concurrency using either threads or processes, where the main difference between the two is that threads share memory and processes don’t. Modern web browsers support concurrency through the Web Workers API. Although Web Workers are by default closer to a multi-process model, when used with WebAssembly you can opt-in to a more thread-like experience. Just like in
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WebAssembly backend merged into GHC
Tweag has been working on a GHC WebAssembly backend for some time. Recently, the WebAssembly backend merge request has landed in GHC, and is on course to appear in the upcoming 9.6 release series. This post will give a quick demonstration of how to try it out locally, and explain what comes in this patch and what will be coming next. Playing with WASM locally If you’re using nix on x86_64-linux, c
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Making GHCIDE smarter and faster: a fellowship summary
As a Tweag Open Source fellow, I aimed to improve and build on the Haskell IDE experience, mainly by contributing to the ghcide and haskell-language-server projects. My main goals were to polish up the overall experience, and integrate hiedb, a product of a Summer of Code project last year, into ghcide. The product of this fellowship was a good selection of ghcide and haskell-language-server featu
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Splittable pseudo-random number generators in Haskell: random v1.1 and v1.2
This can arise when you have different threads. But it’s of prime importance in a lazy language like Haskell, since it makes it possible to generate deterministic random numbers lazily. For instance, split is used in QuickCheck’s Gen monad. An easy implementation of split is to duplicate the current state. But, the two parallel sequences will not be independent: indeed they will be identical. A sl
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