@samruby

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

 Raleigh, NC
ruby.social/@samruby
Joined March 2009
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  • Followers3.7K
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Transpiler update: Compiling an internal Rails API into a single native binary with #roundhouse + #Spinel. Today: 16 PRs merged upstream, 6 issues filed. • Binary builds ✅ • Gaps the compiler can't model: 39 → 25 (−36%) • 111/173 routes answer like Rails • Mastodon as a 2nd test app: 65 → 60 gaps
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Sam Ruby retweeted
Kevin Newton@kddnewtonOct 21
Just released Prism v2.0.0. For the first time ever, Prism has no open issues, PRs, discussions, or redmine tickets. A couple of highlights below.
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Sam Ruby@samrubyOct 19
Start date: 26 October Joining: railsatscale.com/about/
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Sam Ruby@samrubyOct 17
I did a thing.
Joel Gaff, Jr.
@joelgaOct 17
Sam Ruby has helped shape the web for decades, and @GregMolnar and I got an hour with him on episode 3 of the @PingbackPodcast. I'm extremely honored. Thanks, @samruby. pingbackpodcast.com/episodes…
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Sam Ruby@samrubyOct 15
You can find the Dockerfile that can be used to deploy Campfire here: rubys.github.io/roundhouse/a…
Greg Molnar
@GregMolnarOct 15
We talked about Roundhouse and Spinel on the pod last week with @joelga and @RaulOnRails. Spoiler alert, we will be talking about it again tomorrow! Stay tuned!
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Sam Ruby@samrubyOct 15
Replying to @schwabsauce
There is no question that DHH gave an edgy talk. He also did not mention Roundhouse and in fact endorsed a completely different direction. He's pursuing his vision, I'm pursuing mine, which is exactly how it should be.
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Sam Ruby@samrubyOct 14
Replying to @sahv
FWIW, I attribute that to statements made by Jeremy and Matz at Rails World, relating to a discussion of his ongoing work on Spinel.
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Sam Ruby@samrubyOct 14
Replying to @MaxPressense
Interest in Roundhouse spiked twice: first after Euruko and then after Rails World. FWIW, I attribute both to statements made by Matz.
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Sam Ruby@samrubyOct 14
Consequence? Both Spinel and Roundhouse started before Rails World.
Andrzej Krzywda
@andrzejkrzywdaOct 14
the words of @dhh triggered Ruby people but the consequence is that we improve the Ruby tooling now - spinel and roundhouse are good examples
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Sam Ruby@samrubyOct 12
Pure poetry. "Why even spend precious tokens on improving the gardens we already live in if you can raze them to the ground and replace them with glorious concrete?"
Julik Tarkhanov
@juliknlOct 12
A renaissance, you just have to make a modicum of effort to see it - and a tiny bit more to enjoy it. We are living in the Weimar era of Ruby blog.julik.nl/2026/10/the-we… With reverence to @samruby @schwad_rb @mhenrixon @yo_waka and others

Living in the Weimar era of Ruby

Much has been said about the DHH keynote that he gave at RailsWorld. To me, it was the voice of a person in an existential crisis, but also a very jaded one. “Look how I don’t care anymore, and you...

blog.julik.nl
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Compiling a real production @rzilient_club Rails API into a single native binary with #roundhouse + #Spinel (AOT Ruby → C): it now builds, boots and serves, with responses checked field by field against Rails. Along the way: 69 PRs merged into roundhouse and 31 Spinel bugs filed (all 31 fixed). Next: a full route-by-route comparison against Rails. And for Mastodon, following @samruby 's advice, the new Futamura target, keep Rails and the gems, then profile and specialize the hot spots.
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Sam Ruby@samrubyOct 12
Whole Routes in a Box: the hope/plan is to enable moving an application from Rails to Roundhouse one route at a time. intertwingly.net/blog/2026/1…
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Sam Ruby@samrubyOct 12
My read: this is what happens when you treat LLMs as "clankers". I don't name my LLMs, but I sense those that do will get better results. I use Claude as a peer that just happens to be smarter than me. My role is closer to "managing up". Those are the skills to have.
José Valim
@josevalimOct 11
Replying to @josevalim
Also, to clarify, Redis is just one of several checks that are being enforced differently across languages. So we are effectively measuring how AI can evolve different languages, with different prompts, with different baselines, with different efforts, and different guarantees. GG.
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When you think about a Ruby on Rails conference in India, what do you imagine? 💃💃💃Of course we danced, and not only on stage! At @hideccanqueen 🔥
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I often use Data class like that. Roundhouse (by @samruby) didn’t support it yet, so I have prepared a PR to fix it. github.com/rubys/roundhouse/… Thanks to @thomasklemm for the help with merging here!
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Sam Ruby retweeted
Nate Hopkins
@hopsoftOct 10
Readability/elegance vs performance... Why not both?
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ZJIT is now as fast as YJIT railsatscale.com/2026-10-09-…

ZJIT is now as fast as YJIT

After some infrastructure deployment shenanigans, we deployed some regions of storefront renderer (SFR) running on ZJIT. We have seen some promising numbers.

railsatscale.com
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Sam Ruby@samrubyOct 9
Replying to @TheDumbTechGuy
The apps I've looked at so far don't use engines, so I'm not surprised there is a gap. As the number of conributors grows, I don't think there will be any one person who knows what has been explored so far. Come join the fun!
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Sam Ruby@samrubyOct 9
Replying to @AptoTemplario
spin-index (including the pull requests) is that list of compatible gems for spinel. spinelgems.org/ may also be of interest.
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Sam Ruby@samrubyOct 9
Replying to @AptoTemplario
First try transpiling your app to Ruby. That's what Shopify is focused on: intertwingly.net/blog/2026/1… rubys.github.io/roundhouse/b… ; then pretty much yes for other targets you will need replacements. The good news is that LLMs are good at building them. github.com/matz/spin-index check PRs
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