cs @uwaterloo, incoming @matxcomputing, @wearehrt
Joined June 2026
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Scott Hao retweeted
fine-tuned qwen on my 16gb gpu to respond without the letter e
what i learned:
> simply masking the 'e' tokens out produces gibberish
> you can just RL a model to speak coherently
writeup here: kevin-wu.ca/blog/qwn/
Scott Hao retweeted
I wrote a blog post about what I did on my gap year. It felt like a crazy time working across startups. My hope is to provide a perspective for those taking time off from school or those interested in a sample from the experiences of young people in tech.
atoniolo76.github.io/writing…
Scott Hao retweeted
I just wrapped up my internship @modal.
This summer I worked on container filesystems, speeding up agentic workloads by up to 4x and directory traversals by 12x. I wrote about this systems work behind it here: amitsai.com/writing/erofs/?v…
Huge thanks to @amitpr, @jonobelotti_IO, the runtime team, and everyone at Modal for an amazing summer!
Scott Hao retweeted
It's my last day as an intern on @modal's training team.
With the rise of RL, it's becoming increasingly critical to have robust, reliable observability. I wanted to share some of my work building an observability system for the Modal Training Gym (gym.modal.dev), built on top of @slime_framework & @radixark miles.
Thank you @qjoyliu, @peywalt, training team, and Modal for an awesome summer!
It's my last week @modal.
This summer, I had the chance to work alongside @waltergoat, @colin_weld, @paulgb on our Sandbox product. It was my first time working on systems at this scale, and I couldn't be more grateful for their mentorship.
Sandboxes are full of gnarly distributed systems problems. I wrote about one of them - distributed locking - on my blog: scotthao.com/writing/distrib…
To ship it, I needed to break rules for practicality and performance. This led me to formally verify the design with TLA+ to catch the many race conditions.
This is also my first blog post! I don't share my writing often, but I'd like to do it more. Hope you enjoy.
bros getting backwards-deployed
Today was my last day at Modal.
I had an amazing 6 months on the training team, working on sandbox infra (RDMA) and on-policy distillation methods.
Currently feeling quite ambivalent about it: will be missing the people here but also excited to start college at CMU this fall!
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