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Posts by Jérôme Gravel-Niquet

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🌞 SOL CESTO – 1.0 OUT NOW ON STEAM 🌞

It took us nearly 3 years, but Sol Cesto is finally complete! We hope you’ll enjoy our weird roguelite and all the surprises we’ve added 👀

Please help us spread the word 🙌

22 hours ago 1078 423 41 57
Q1 2026 Rustls Performance Update Overview Offering top tier performance is a primary goal for the Rustls project. As such, the project has developed benchmarks representing some of the most performance critical functions and monitors them closely. The Rustls project periodically publishes test results that compare Rustls performance to other popular TLS libraries, OpenSSL and BoringSSL. The previously published test results are from July of 2025. The Rustls project is planning to start publishing performance reports more frequently going forward.

An update on rustls performance: it’s still pretty fast.

www.memorysafety.org/blog/26q1-ru...

1 day ago 23 6 0 1

Somtochi is incredibly smart and fun to work with!

3 weeks ago 7 2 0 0

It took you 20 seconds to write that email, but it took you a month to figure how to write a response to that particular email, in 20 seconds.

2 months ago 1 0 0 0
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Releasing Fjall 3.0 A year in the making

A strange moment, but - I just released 3.0.0.

fjall-rs.github.io/post/fjall-3/

What has started as a rewrite of the block format has become almost a full rewrite, interrupted by a bachelor's thesis, faulty hardware and a couple of weeks of sickness - but I think the end product is pretty good.

3 months ago 21 6 3 3

#rustlang hot take: We should rename .unwrap() to .or_panic(). (And .expect() to .or_panic_with().) "Unwrap" is a terrible name for the panicking function, especially since we also have things like .unwrap_or() and .unwrap_or_default() which never panic.

4 months ago 473 67 36 11
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or_panic.rs GitHub Gist: instantly share code, notes, and snippets.

.unwrap() always sounded odd to me. Maybe something like that could help projects? gist.github.com/jeromegn/9f0...

4 months ago 0 0 0 0
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3.0.0 pre.5 is out and brings journal compression support.

Here's 16K JSON blobs being written:

5 months ago 7 2 1 0

Always tempted by the poutine at the shawarma place, but too scared to get something subpar when I know the shawarma plate is so damn good

5 months ago 1 0 0 0
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Looking good

5 months ago 0 0 1 0

Gotta keep the packets going through to keep it warm!

5 months ago 0 0 0 0

Holy shit. It was interesting to think about these things hypothetically, but now that it might be right around the corner… I don’t know what to think!

5 months ago 2 0 1 0
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crates.io: Rust Package Registry

v3 pre-release 2 is out!

Still not file format -or API stable, but most importantly this release marks lsm-tree being *feature complete*.

crates.io/crates/fjall...

5 months ago 5 1 1 0
Deploy app servers close to your users · Fly

If you read one thing today, make it this blog post by our friends @fly.io. This is what tech writing should be like: witty, relatable, informative. Corrosion is a remarkable system, and we aren't just saying that because it was #TestedwithAntithesis.

❤️ y'all!

fly.io/blog/corrosi...

5 months ago 4 1 0 0
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The Programmer Identity Crisis ❈ Simon Højberg ❈ Principal Frontend Engineer On AI, Creativity, and Craft

Here's another example of a more thoughtful and nuanced criticism of ai-assisted coding: hojberg.xyz/the-programm...

6 months ago 50 7 5 3

The Rust in Linux movement is getting immense pushback from the current maintainers. It takes a toll on all contributors. I wouldn’t put myself through that.

6 months ago 2 0 0 0
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Sponsor @fjall-rs on GitHub Sponsors Support fjall-rs's open source work

If you sponsor NOW (github.com/sponsors/fja...), you can get an exclusive preview of version 3!!

jk I pushed the first pre-release to crates.io - it's unstable though! Breakages guaranteed, and some APIs are missing!

bye

6 months ago 8 6 0 1
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Due to the amount of people participating in #FallingBlockJam, there's a shortage of blocks, so you're gonna have to make them yourself.

#pico8

6 months ago 101 21 6 2

Huh, didn’t think the nova engine had so much implemented!

7 months ago 0 0 1 0

That does look nice. Also been using Iosevka for years. I’m not sure I could use a non-condensed font anymore.. saves so much width!

7 months ago 2 0 0 0

Rustconf when it was in Montreal (local to me) had special priced tickets for locals ($50 IIRC). There aren’t for Seattle?

8 months ago 2 0 1 0

Nice. Do you happen to know why it’s comparing to s3fs instead of something like juicefs, geesefs or tigrisfs? I assumed s3fs was antiquated and not used very much.

8 months ago 1 0 1 0
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parking_lot: ffffffffffffffff... Gnarliest Rust proxy bug yet.

JFC this bug. fly.io/blog/parking...

10 months ago 11 3 0 1

My first reaction is that it’s not really embedded if it uses Postgres :) but maybe a good Postgres setup is what’s expected. If it used SQLite or fjall or another embeddable DB, you could get rid of that dependency.

10 months ago 0 0 3 0

I’ve only discovered its existence this week and it’s solving a lot of problems for me. Previously tried axum+utoipa and dropshot. Both solutions had their own issues where poem seems to just work and be flexible enough for my needs!

10 months ago 1 0 1 0
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Stop Building AI Tools Backwards | Hazel Weakly I’ve been reading this week about how humans learn, and effective ways of transferring knowledge. In addition, I’ve also had AI in the back of my mind, and...

I realized something recently, which is that we're building AI tools completely backwards.

While I was aware that there's some de-skilling happening already, I finally clicked a bunch of pieces together and decided to write this to talk about how we can do *better*

hazelweakly.me/blog/stop-bu...

10 months ago 145 54 23 23
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crates.io: Rust Package Registry

unsynn v0.1.0 is out!

crates.io/crates/unsynn

11 months ago 34 2 3 2

What the…

11 months ago 1 0 0 0

If I understand correctly, their software requires generating Rust code from SQL. Instead of making it all one big crate, they splitted it into a ton of crates. They are not publishing the crates, they’re only generated at build-time for specific uses of Feldera

11 months ago 2 0 0 0