Jake

building Lightning fast, local first sandboxes that work the same everywhere.

work w/me at minimal :

[Mitchell Hashimoto @mitchellh]

I've got an agent in a loop optimizing a renderer with the goal to minimize frame times (and tests to measure). It got times down from 88ms to 2ms and allocations down from ~150K to 500. Sounds good, right? Wrong. This is exactly why agent psychosis is a big fucking problem.

As an experiment, I rewrote the Ghostty core render state in Go, with access to identically laid out data structures as Ghostty and the exact same validation tests. I made a purposely naive renderer (simple, correct, but slow). 88ms per frame with 150,000 allocations (horrendous, lol)!

I then kickstarted a Ralph loop to bring the frame times down. I told it it can't modify input data structures or the public API or tests (they're correct), but it can do anything else it wants. It got to work.

It has worked for about 4 hours. I've spent around $350 on this experiment so far. The results?

88ms => 1.5ms
150K allocs => ~500 allocs

Incredible right? Nope.

My hand-written renderer I ported has frame times (same benchmark) of ~20us (0.020ms) and 0 allocations in the update path.

This is the problem with psychosis and lacking systems understanding. If you don't understand the system, you're going to accept that this is an incredible result. If you understand the system, you'll see better solutions immediately and can do roughly 75x better on throughput.

The people who blindly trust agent output are in the former camp. They're sheeple, overdrinking from a fountain of mediocrity.

Standard disclaimer: I use AI all the time. I like AI. The point I'm making is to not blindly accept results. Think. Analyze. Learn.

[Jake @JakeKing]

some great talks at @BSidesVancouver this week. kudos to the crew / organizers. killed it with some really good topics!

[Jake @JakeKing]

@chythram1 I've got quite a few thoughts on worker capabilities for runtime! happy to share my thoughts!

[Jake @JakeKing]

@tavisrudd 🔥🔥🔥🔥🔥

[Jake @JakeKing]

Who's building devtools in 🇨🇦right now?

want my algo to be filled with cool people building cool shit up here.

[Jake @JakeKing]

@luisocampox @AnthropicAI Yessss. Let’s chat!

[Jake @JakeKing]

@sssoundboyy Feeding devs is critical to a good event 😂

[Jake @JakeKing]

🇨🇦Toronto Tech Week checkin🇨🇦

whats the best thing you've found today at tech week

Drop a link 👇

[Jake @JakeKing]

@tokifyi i'm down. lets do it.

[Jake @JakeKing]

press c to copy on the tui is golden.

press c to copy from the browser would be nice too @AnthropicAI ?

[Jake @JakeKing]

@tokifyi @bentlegen We flew by each other at Websummit, bummed we missed the fly-by here too!

[Jake @JakeKing]

Is Toronto Tech Week a must attend event in 🇨🇦 these days?

Its all over my feed.

[Jake @JakeKing]

@mattjay @rez0__ the digital exhaust is real

[Jake @JakeKing]

@pxue what can they do better?

[Jake @JakeKing]

context window on 4.7 is unreal.

[Jake @JakeKing]

@shafu0x devcontainers that don't suck. https://t.co/7czWZUtPKY

[Jake @JakeKing]

@kazdenc !!

add minimal [dot] dev in van!

[toki @tokifyi]

canadian bootstrap founders, i’m putting together a list of cool canadian bootstrap founders/products

i know @chatbase by @yasser_elsaid_ , @postbridge_ by @jackfriks , @usecollabstr by @dulay604, @obsdmd by @kepano, @indexsy, and @yacineMTB stuff are popular ones

any other canadian bootstrap companies/founders i should know about?

[Jake @JakeKing]

ran out of tokens, went for a ride.

@AnthropicAI is out here caring for your wellbeing by adding limits.

[Jon Sakoda @jonsakoda]

Thank you to @IMDAsg and @AsiaTechxSG for hosting us in Singapore this week!

The skeptics who called AI a bubble last year saw breakthroughs this year - can't wait to see where we'll all be in 2027!

[Jake @JakeKing]

zellij is just elite.

send me screenshots of your profiles, i need more inspo.