DigitalOcean reposted this
Big thanks to DigitalOcean for their awesome contributions back to the open-source community! Open-sourcing model weights is only half the battle, the other half is building open, reliable serving infrastructure that actually runs them at frontier quality. In their latest engineering deep dive on serving Moonshot AI's 2.78-trillion parameter Kimi K3 model on Day 0, the DO team showcased what real community-driven engineering looks like: 🟣 Leveraging llm-d for GPU Heterogeneity: DigitalOcean built their distributed inference stack using llm-d, taking advantage of its native support for heterogeneous GPU types. This allowed them to seamlessly onboard K3's ~1.56 TB weight footprint across both NVIDIA HGX™ B300 and AMD Instinct™ MI350X platforms without rewriting their core serving layer. 🟣 Collaborative Optimization: They worked alongside open-source maintainers like vLLM to tune the serving recipe, raising batching ceilings, fine-tuning MXFP4 quantization, and speeding up prefill paths. 🟣 Battle-Testing Open Weights: By running K3 through Moonshot's Kimi Vendor Verifier (KVV) suite, they tracked down complex edge cases in dynamic tool calling, schema-constrained decoding, and streaming spec compliance, sharing those fixes and learnings back with the broader ecosystem. Kudos to the DigitalOcean team for proving that serving massive open models on day zero is best done together. 👏 Check out the full "Under the Hood" engineering breakdown: https://lnkd.in/eYXVWavF