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Jason Williams Profile
Jason Williams

@Jason_williams

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895
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709

JavaScript Infrastructure & Tooling @Bloomberg, creator of @boa_engine

London
Joined May 2008
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@robpalmer2
Rob Palmer
6 days
ECMAScript excitement πŸ˜‰ Congrats to @ManishEarth on unflagging @TC39 Stage 3 Temporal in V8 today. Heading for Chrome 144 πŸŽ‰ By many metrics this new date/time API is the single biggest change to JS ever πŸ”₯ It uses Boa's temporal_rs by @Jason_williams Kevin Ness & Manish πŸ‘
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@Jason_williams
Jason Williams
2 months
temporal_rs has been released!!! This is the first public release of temporal_rs, a Rust implementation of the Temporal API powering Boa, Kiesel, V8 plus other engines. This will be shipping in Chromium soon More info in our blog post:
boajs.dev
Temporal_rs is here! The datetime library powering Temporal in Boa, Kiesel, and V8
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@robpalmer2
Rob Palmer
10 months
The Bloomberg Terminal, believe it or not, is based on web technology 🌐 This deep-dive talk by @Jason_williams & @pcwilliams reveals what that looks like in terms of Chromium embedding. And has led to creating a new Web Perf API: Container Timing πŸ”₯ https://t.co/pGfXVtpcVu
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@robpalmer2
Rob Palmer
1 year
The @PerfNowConf conference begins tomorrow in Amsterdam. It is going to be great πŸ‘ For the first time @pcwilliams & @Jason_williams will share the story of how the Bloomberg Terminal uses web tech & what this means for the wider web ecosystem πŸŽ‰ If you see us, come say hi πŸ‘‹
@PerfNowConf
performance.now() conference
1 year
Are you ready for #PerfNow this week? Who's joining us remotely?
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@Jason_williams
Jason Williams
1 year
πŸ¦‹@
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@Jason_williams
Jason Williams
1 year
It’s been interesting following the work on this over the years, great to see it paying finally paying off. I hope we see a deeper dive on those perf improvements and changes @BenjaminPasero
@BenjaminPasero
Benjamin Pasero
1 year
πŸ“¦ a 2y journey to adopt ECMAScript modules in @code is coming to a successful end πŸš€ we see massive startup performance improvements loading our main VS Code module Thanks Jo and @alexdima123 from the team for this joint effort πŸ™ πŸ‘‰ https://t.co/Onc0QS47vr
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@robpalmer2
Rob Palmer
1 year
TypeScript excitement πŸ˜‰ Congrats to @acutmore on releasing a brand new type-stripping compiler: ts-blank-space ✨ ⚑️ 5.6x faster than tsc due to zero-codegen πŸ”· Written in TS πŸ’― Uses the official TS parser 🎯 Accurate/preserved source locations πŸ’ͺ Battle-tested in production
@acutmore
Ashley Claymore
1 year
Today, I'm releasing a TypeScript compiler called ts-blank-space 🎈 We use this at @TechAtBloomberg to perform type-stripping on a modern subset of TypeScript. It's written in TypeScript and is fast because it uses whitespace to enable work-skipping. https://t.co/L2GCoK3YwN
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@PerfNowConf
performance.now() conference
1 year
We just added some more speakers to our #PerfNow line-up for November 14 and 15. @ericwbailey, Paul Williams, @tameverts, @ksylor, @Jason_williams and @Jack_Franklin will be with us as well!
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@SquiggleConf
SquiggleConf
1 year
We're proud to announce @TechAtBloomberg as a sponsor of SquiggleConf 2024! ✨ Bloomberg runs one of the world's largest information networks, powered largely by web tech. Its engineers have contributed to many of the latest & greatest web dev tools, including TypeScript's
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@rustlang
Rust Language
2 years
We got an email from the Serbian Registry of Internet Domain Names (RNIDS), the organisation that is responsible for the `.rs` top-level domain. Looks like they are a big fan of Rust. 😊
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@boa_engine
Boa JavaScript engine
2 years
Boa 0.18 has just been released! Boa is a #javascript engine written in #rustlang. It now passes 85% of the official ECMAScript suite, and it's much more performant! Check the full release post here: https://t.co/Ax3oC6Mngq /cc @rustlang @ThisWeekInRust
boajs.dev
Summary
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@cramforce
Malte Ubl
2 years
The web changed today. Alternative browser engines on iOS https://t.co/ldw6AsmpD8
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@Jason_williams
Jason Williams
2 years
This is unexpected. @deno_land we didn't know of any implementations in JS engines that pass all the compliance tests yet. will it be behind a flag?
@deno_land
Deno
2 years
temporal coming soon to Deno 1.40
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@pcwilliams
Paul Williams
2 years
.@TechAtBloomberg engineers out and about at @PerfNowConf in #Amsterdam. Thanks #PerfNow for a great conference. We will be back!
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@HenriHelvetica
Henri Helvetica πŸ‡­πŸ‡Ή πŸ‘¨πŸΎβ€πŸš€ πŸš€
2 years
One the most significant group of attendees this year at @PerfNowConf. Thx for joining the Hallway Track @Jason_williams. βœ¨πŸ™πŸΎβœ¨
@pcwilliams
Paul Williams
2 years
.@TechAtBloomberg engineers out and about at @PerfNowConf in #Amsterdam. Thanks #PerfNow for a great conference. We will be back!
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@dwizzzleMSFT
David Weston (DWIZZZLE)
2 years
Had a great time doing a keynote at @ProssimoISRG on Microsoft approach to memory safety. Made a huge announcement - @microsoft is going big on Rust and spending $10 million to make it 1st class language in our engineering systems + $1 million @rustlang foundation.
@dwizzzleMSFT
David Weston (DWIZZZLE)
2 years
HUGE move for security at Microsoft. Lets' go!!!!
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@Jason_williams
Jason Williams
2 years
Love a good deep dive, especially when there’s a sword involved (and used as a pointer). @programmingart does it well. #perfnow
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@Jason_williams
Jason Williams
2 years
Thank you @PerfNowConf pre-event for having me come and talk about our work speeding up Heap Snapshots in Dev Tools alongside @igalia #perfnow. @TechAtBloomberg are really representing this year!
@TechAtBloomberg
Tech At Bloomberg
2 years
Our #JavaScript Infrastructure & Tooling team's @Jason_williams is talking at tonight's #PerfNow pre-event (6:30 PM CEST) about our work w/ @igalia to achieve a 100x speed boost to Heap Snapshot generation, making #JS memory analysis faster https://t.co/b6uuh2F3U9 #opensource
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@pcwilliams
Paul Williams
2 years
This is great work, borne out of an enduring, productive collaboration between @TechAtBloomberg & @Igalia. I spend a lot of time making sure a highly complex system (@TheTerminal) uses resources efficiently - thanks @jdapena @jason_williams & @acutmore for making my work easier.
@robpalmer2
Rob Palmer
2 years
πŸ“£ Debugging memory problems in @ChromeDevTools is now super fast ⚑ @jdapena has made heap snapshot *much* quicker based on investigations by @Jason_williams & @acutmore and funding from @TechAtBloomberg πŸŽ‰ 🧡 https://t.co/Q8KEqfP0w5
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