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Lucebox inference engine · contract inference engineer, 2026
24 merged PRs in a C++ CUDA/HIP inference engine: DeepSeek-V4 MoE prefill across two AMD GPUs (2.02x on a 401-token prompt, byte-identical output), a fused MoE combine kernel, HIP wave64 correctness, and a CUDA-graph replay fix. -
LFX Mentorship 2026 · Hiero · ongoing
Building sdk-automations, one GitHub App that runs contributor-facing automation for the Hiero SDK repositories from repository-owned config: signature-verified webhooks, crash-safe SQLite processing, and checks that stop it acting on stale state. Before the mentorship: CI bots and tests in the Python and C++ SDKs. -
vLLM · contributor
merged PRs in vLLM (MRV2): support for stock torch.compile mode, removing stream syncs from NonUvaBuffer host-to-device copies, respecting Inductor deterministic mode in combo-kernel defaults, and a fix accepting num_speculative_tokens in NgramGPUSpeculator. -
Systems and infrastructure · merged fixes in Ceph (RGW), CRIU, Rizin, and Prometheus.






