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Sean Li PRO

Hellohal2064

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AI & ML interests

AI Infrastructure Engineer | Dual DGX Sparks (230GB VRAM) | 5-node Docker Swarm | Building AI Coworker systems

Recent Activity

reacted to their post with 🔥 22 days ago

🚀 Excited to share: The vLLM container for NVIDIA DGX Spark! I've been working on getting vLLM to run natively on the new DGX Spark with its GB10 Blackwell GPU (SM121 architecture). The results? 2.5x faster inference compared to llama.cpp! 📊 Performance Highlights: • Qwen3-Coder-30B: 44 tok/s (vs 21 tok/s with llama.cpp) • Qwen3-Next-80B: 45 tok/s (vs 18 tok/s with llama.cpp) 🔧 Technical Challenges Solved: • Built PyTorch nightly with CUDA 13.1 + SM121 support • Patched vLLM for Blackwell architecture • Created custom MoE expert configs for GB10 • Implemented TRITON_ATTN backend workaround 📦 Available now: • Docker Hub: docker pull hellohal2064/vllm-dgx-spark-gb10:latest • HuggingFace: huggingface.co/Hellohal2064/vllm-dgx-spark-gb10 The DGX Spark's 119GB unified memory opens up possibilities for running massive models locally. Happy to connect with others working on the DGX Spark Blackwell!

replied to their post 22 days ago

🚀 Excited to share: The vLLM container for NVIDIA DGX Spark! I've been working on getting vLLM to run natively on the new DGX Spark with its GB10 Blackwell GPU (SM121 architecture). The results? 2.5x faster inference compared to llama.cpp! 📊 Performance Highlights: • Qwen3-Coder-30B: 44 tok/s (vs 21 tok/s with llama.cpp) • Qwen3-Next-80B: 45 tok/s (vs 18 tok/s with llama.cpp) 🔧 Technical Challenges Solved: • Built PyTorch nightly with CUDA 13.1 + SM121 support • Patched vLLM for Blackwell architecture • Created custom MoE expert configs for GB10 • Implemented TRITON_ATTN backend workaround 📦 Available now: • Docker Hub: docker pull hellohal2064/vllm-dgx-spark-gb10:latest • HuggingFace: huggingface.co/Hellohal2064/vllm-dgx-spark-gb10 The DGX Spark's 119GB unified memory opens up possibilities for running massive models locally. Happy to connect with others working on the DGX Spark Blackwell!

replied to their post 22 days ago

🚀 Excited to share: The vLLM container for NVIDIA DGX Spark! I've been working on getting vLLM to run natively on the new DGX Spark with its GB10 Blackwell GPU (SM121 architecture). The results? 2.5x faster inference compared to llama.cpp! 📊 Performance Highlights: • Qwen3-Coder-30B: 44 tok/s (vs 21 tok/s with llama.cpp) • Qwen3-Next-80B: 45 tok/s (vs 18 tok/s with llama.cpp) 🔧 Technical Challenges Solved: • Built PyTorch nightly with CUDA 13.1 + SM121 support • Patched vLLM for Blackwell architecture • Created custom MoE expert configs for GB10 • Implemented TRITON_ATTN backend workaround 📦 Available now: • Docker Hub: docker pull hellohal2064/vllm-dgx-spark-gb10:latest • HuggingFace: huggingface.co/Hellohal2064/vllm-dgx-spark-gb10 The DGX Spark's 119GB unified memory opens up possibilities for running massive models locally. Happy to connect with others working on the DGX Spark Blackwell!

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