Ruixiang Wang ruixiang63

I am Senior DevTech Engineer at NVIDIA focusing on LLM & GenAI.

#22105 — DFlash speculative decoding: up to 8× speedup across many model families
#18039 — Eagle3 speculative decoding: 1.2–3.28× speedup across many model families
#23869 — Speed-bench: standardized speculative decoding performance evaluation benchmark
#26725 — Add MTP support for Nemotron Models achieving up 3x speedup
#27804 — add DSpark support for Nemotron 3.5 model
#24593 — Support Eagle3 for qwen3.5 & 3.6 achieving up to 1.94x speedup
#24536 — Add speculative decoding metrics for better observability and parameters tuning
#24655 — Support GPU-backend sampling to improve Eagle3 performance

This NVIDIA-Unsloth blog explains the following optimizations in detail.
#534 — Double-buffered checkpoint reload via CUDA streams + events, +8.4% on 8B, +6.7% on 14B fine-tuning speedup
#4173 — Packed-sequence metadata caching, +14.3% fine-tuning speedup on Qwen3-14B QLoRA SFT
#535 — GPT-OSS MoE expert routing optimization, ~10-15% fine-tuning speedup on GPT-OSS models

Model Quantization Series:

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