@hsun_kai Profile picture

Kai-Hsun Chen

@hsun_kai

SWE @ Anyscale | Apache Submarine PMC member & Committer

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Happy to see more and more post training libraries built on Ray (OpenRLHF, ChatLearn, veRL)!

Introducing veRL by Bytedance! Flexible & efficient framework for LLM RL/RLHF. Ray-based hybrid programming model. 1.5x - 20x throughput boost. Kudos to @PeterSheng66 and team, & @raydistributed Code: github.com/volcengine/verl Paper: arxiv.org/pdf/2409.19256 #veRL #RL #LLMs



Kai-Hsun Chen Reposted

Join @hsun_kai and the @anyscalecompute Team on Tues 10/29 for our next Ray Meetup! 🤝 We'll be talking all things distributed computing and how it's being applied in real-world AI projects. Whether you're new to this or have some experience, there's something for everyone.…

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Kai-Hsun Chen Reposted

In this episode, guest host and AI correspondent @moficodes interviews @richliaw and @hsun_kai from @anyscalecompute about Ray and KubeRay. Join us to learn how this open source project enables AI workloads on #Kubernetes! kubernetespodcast.com/episode/235-ra…

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Welcome @KeertiMelkote!

This is a HUGE update for us! I’ve spent a ton of time with @KeertiMelkote over the past few months and the energy is through the roof. Very very few founders have done what he’s done (starting a business in his garage and scaling it to over $5B in revenue). AI is in its…



Kai-Hsun Chen Reposted

1/ 🌟 Continuing with our recent feature updates, we are excited to share that structured logging is now available on Ray & Anyscale, making log management and analysis easier than ever.


Kai-Hsun Chen Reposted

I'm thrilled to announce that our OSDI'24 paper "Anvil: Verifying Liveness of Cluster Management Controllers" gets the Jay Lepreau Best Paper Award. Congratulations to my teammates and thanks for the recognition. I will present it in today's "Formal Verification" session. (1/6)

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Kai-Hsun Chen Reposted

This is for people who want to go deep in the weeds.

Deep dive on large-scale training (stable diffusion models). anyscale.zoom.us/webinar/regist…

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Kai-Hsun Chen Reposted

Hello everyone 👋 I am seeking support to sustain my open-source work. If you are interested in backing my opensource efforts, please do consider sponsoring me ❤️🙏 github.com/sponsors/ad1992


Kai-Hsun Chen Reposted

Pre-training your own diffusion model is a breeze with Ray and Anyscale!🍃 - Leverage diverse GPU types for preprocessing and training. - Fault-Tolerant Training ensures uninterrupted training progress. - Optimized infrastructure and algorithms significantly reduce your costs.

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We pretrained a stable diffusion model on 2 billion images for under $40K. Here's what we learned. anyscale.com/blog/scalable-…



Kai-Hsun Chen Reposted

Lots of things 😆 There have been a handful of rewrites from scratch over the years with @raydistributed (actually from scratch). Some things that come to mind 💻 Programming languages: First prototype was in Rust. Then C++ (heavy multithreading with gRPC as the core RPC…

Hi Robert, considering all the lessons learned building Ray, are there any changes you would have made back when you first started the project? Personally, I always wondered whether the flexibility of dynamic task graphs would eventually lead to performance bottlenecks.



Kai-Hsun Chen Reposted

For orchestrating @raydistributed apps, KubeRay is great to manage everything yourself (& @anyscalecompute if you don't 😉) Now we've added Kueue for adv. scheduling like priority (take resources from low priority tasks) & gang (avoid partial provisions)! cloud.google.com/blog/products/…

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Just finished reading Peter Thiel’s “Zero to One” recently. The PayPal Mafia is truly remarkable. Respect 🔥

eBay completed its purchase of PayPal on this day in 2002. PayPal founders & employees went on to launch or fund: Tesla YouTube Facebook SpaceX LinkedIn Uber Square Airbnb Stripe Palantir Affirm Yelp Lyft Pinterest Tumblr Twilio Quora Postmates Eventbrite https://t.co/4Vn9LJcg3n



Kai-Hsun Chen Reposted

🎉 Announcing Ray Serve and Anyscale Services general availability! Teams at @LinkedIn, @Samsara, @AntGroup + many more have been using Ray to serve LLMs & multi-modal applications in a flexible, performant and scalable way. Read more about the GA release and how companies have…

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Kai-Hsun Chen Reposted

New release - SkyPilot v0.4.0! ☸ Kubernetes support - EKS/GKE/On-Prem/... 🔌 Expose ports on clusters 📦 Native container support ☁️ More clouds - Hello, @OracleCloud & @Samsung Cloud! 📘 LLM recipes - vLLM, Llama2, Falcon, LocalGPT Release notes: github.com/skypilot-org/s…


Kai-Hsun Chen Reposted

Ray Summit this month will be 🔥🔥 🤯 ChatGPT creator @johnschulman2 🧙‍♀️ @bhorowitz on the AI landscape 🦹‍♂️ @hwchase17 on LangChain 🧑‍🚀 @jerryjliu0 on LlamaIndex 👨‍🎤 @zhuohan123 and @woosuk_k on vLLM 🧜 @zongheng_yang on SkyPilot 🧑‍🔧 @MetaAI on Llama-2 🧚‍♂️ @Adobe on Generative AI in…


Kai-Hsun Chen Reposted

This is very impressive. "Introducing Ray Serve dramatically improved our production ML pipeline performance, equating to a ~50% reduction in total ML inferencing cost." 💰💰 @Samsara will be speaking in depth about how they scale AI in a cost-efficient manner at #RaySummit.…


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