GLM 5.3 Flash2x DGX Spark · NVFP4 · vLLMDecode · tok/s15Prefill—tok/100W6.3decode, MTP off: 15 tok/s, flat to 128KStock vLLM NVFP4 on 2x Spark. Rank is MTP-off 15. Prefill range skipped.Officialclaimed@sudoingXWatchCopy linkOpen pair