@samruby

https://nitter.cf/t.co/Vfbxo6yzUw Rails Specialist. Open Web Communities. he/him

 Raleigh, NC
ruby.social/@samruby
Joined March 2009
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Programming languages that bring meaningful design choices to the forefront and hide the noise are just as good for agents as they are for humans. Semantic compression matters. Using the right tool for the problem at hand has never been more important.
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Replying to @florentmsl @yasulab
Sam Ruby's Roundhouse transpile Rails app to plain Ruby (or other languages) without metaprogrammig. And Spinel can compile transpiled Ruby code. Not all Rails apps yet, but at least we can compile Campfire and Lobster. See github.com/rubys/roundhouse

GitHub - rubys/roundhouse: Rails as a specification; the deployment target is a build flag

Rails as a specification; the deployment target is a build flag - rubys/roundhouse

github.com
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Matz response (to Rust) is Spinel github.com/matz/spinel
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A PR against Campfire, merged by @rosapolis, and Campfire on Spinel now passes 300 out of 300 model and controller tests: intertwingly.net/blog/2026/0…
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TruffleRuby specializes the interpreter to the program at runtime; Roundhouse specializes Rails to the app ahead of time. I'm now, for the first time, starting to measure the impact of each separately and together: intertwingly.net/blog/2026/0…
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Roundhouse Released: intertwingly.net/blog/2026/0…
Matz on stage: 5x the throughput; 366 MB against 4.6 GB, referring to Campfire → Roundhouse → Spinel

ALT Matz on stage: 5x the throughput; 366 MB against 4.6 GB, referring to Campfire → Roundhouse → Spinel

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intertwingly.net/blog/2026/0… - browser based IDE/playground, LSP, and MCP for Spinel
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Hyprland as the multiplexer: intertwingly.net/blog/2026/0… #omarchy #herdr
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Spinel demo in a tweet: curl -sL rubys.github.io/roundhouse/c… | tar xz cd campfire-docker docker build -t campfire . docker run --rm -p 3000:3000 -v campfire-data:/app/storage campfire intertwingly.net/blog/2026/0… intertwingly.net/blog/2026/0… cc: @yukihiro_matz
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Developing in public, Campfire on Spinel measurements: intertwingly.net/blog/2026/0… TL;DR: some early wins (examples: cold start, memory, sockets), and some known work to be done, then profiling.
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One Spinel process now beats Rails' eight: intertwingly.net/blog/2026/0…
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Two days ago the compiled Campfire was 55% faster than Rails. Today it's 4x. One process against their eight. The change: a nested view appends into the caller's buffer instead of returning a string — 61% less allocation per request. intertwingly.net/blog/2026/0…
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Video of my talk from RubyConf; preview of my talk in Deccan Queen on Rails. youtube.com/watch?v=33SaUwmu… intertwingly.net/blog/2026/0… intertwingly.net/blog/2026/0…
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MVP version of Campfire on Spinel is now something you can run yourself: intertwingly.net/blog/2026/0…
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As of today, Campfire (unmodified) boots on Spinel. This is both an important milestone and the first step of many. intertwingly.net/blog/2026/0…
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Last night I gave Claude a task and went to bed. At 11:49 P.M. EDT Claude opened github.com/matz/spinel/issue… . @yukihiro_matz closed the issue 26 minutes and 36 seconds later at 1:16 P.M. JST. This fix substantially unblocked my progress the next morning when I woke up.

Regexp: `\p{...}` character properties are rejected at compile time (`character property is not...

A regexp literal carrying a Unicode character property fails the compile outright: class String def all_emoji? self.match?(/\A(\p{Emoji_Presentation}|\p{Extended_Pictographic}|️)+\z/u) end end puts...

github.com
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Next target: Lobste.rs on Spinel: intertwingly.net/blog/2026/0…
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Rails on Roda: intertwingly.net/blog/2026/0…
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In June @yukihiro_matz rewrote Spinel, his AOT Ruby compiler, from Ruby to C. In July it took 200s on a 40k-line Rails app anyway — O(N²) survives translation. Two days and 5 PRs later: 5.3s, including a fixpoint that had never once converged. intertwingly.net/blog/2026/0…
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