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Open Source Software
Summary
Lucebox-hub offers hand-tuned LLM inference for consumer GPUs like RTX 3090. It includes Megakernel for efficient Qwen3.5-0.8B inference and DFlash for speculative decoding of larger models, maximizing throughput and energy efficiency.
Highlights
- Megakernel achieves 1.87 tok/J on RTX 3090 using a single CUDA dispatch for Qwen3.5-0.8B.
- DFlash enables speculative decoding for Qwen3.5/3.6-27B GGUF, reaching up to 207 tok/s.
- Supports 256K context on 24GB VRAM via TurboQuant KV cache.
- Optimizations focus on power efficiency and cooperative grid synchronization.
- Benchmarks compare performance against llama.cpp and PyTorch.
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Context
Audience
Machine Learning Engineers and AI Researchers
DomainMachine Learning Infrastructure
Formatopen source repository
Accessopen source
Topics
Related
LLM InferenceCUDA OptimizationSpeculative DecodingQuantization KernelsRTX 3090Qwen3.5