Developer shares local deployment guide for DeepSeek-V4.1 on single Mac Studio
11/10/2026 — 11/10, 01:16·1 sources (all)·1 reports (all)
Key takeaways
- A V2EX user shared a complete setup guide for locally deploying native precision DeepSeek-V4.1-Flash-1017 on a single Mac Studio M5U 512G, r…
Background & analysis
On November 10, 2026, a V2EX user posted a full walkthrough for running DeepSeek-V4.1-Flash-1017 locally on a single Mac Studio M5U with 512 GB, at native precision.
The recommended stack is oMLX 0.7.3 or newer (pinned to a fixed version) with the model mlx-community/DeepSeek-V4.1-Flash-1017-oQ4e-ngram-mtp, which stays resident at roughly 288 GiB. The experts, trunk, and Engram are all kept at official native precision with no extra quantization, and the download includes the DSpark weights. The Engram tables are kept on the internal SSD and read on demand: one row per table per token, which barely affects decode while freeing up around 189 GiB of memory. The post also recommends enabling DSpark speculative decoding, which drafts 5 tokens per round and is described as the single biggest speedup on one machine, together with CED prefill and prefix caching. Prefill, the author notes, already makes use of the M5 GPU tensor unit with INT8 activation. The author adds that oMLX fully supports V4.1's Engram, CSA2, and DSpark.
No official response or further coverage has appeared since the post; the thread stands as a single user-shared configuration.
AI-generated from 1 reports · updated 4 days ago
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A V2EX user shared a comprehensive local deployment scheme for DeepSeek-V4.1-Flash-1017 at native precision on a single Mac Studio M5U 512G, utilizing oMLX 0.7.3 with DSpark speculative decoding and SSD-backed Engram tables.
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