Local AI · Recipe · 4× RTX 3090

DeepSeek-V4-Flash 284B UD-IQ2_M with llama.cpp on 4× RTX 3090

DeepSeek-V4-Flash 284B UD-IQ2_M with llama.cpp on 4× RTX 3090: 39.3 tok/s according to github.com (dataset as of Nov 3, 2026).

by alesha-pro

39.3tok/sMixed

1 request, mixed prompt set, no speculative decoding

Source: github.com
Intelligence (original model) · Artificial Analysis34with thinking

≤ 3 bit: quantization may cost quality

Engine

Engine
llama.cpp ds4-longctx @b001c8cd73 (2026-08-07)
Quantization
Unsloth UD-IQ2_M GGUF (2.56 bpw, 91 GB), fp8-KV-Kernel
Model family
DeepSeek-V4-Flash
Context
131,072
Parameters
284B MoE
Creator
alesha-pro
GitHub stars
56
Repo updated
Aug 8, 2026

Measurements

Every sourced value of this recipe, each with its condition and source. Bars relative to the largest value in the group.

Decode · 1 request

  • Mixed (decode)39.3 tok/scontext kurzer Kontext · Stand 2026-08-06 Start-Baseline bei 220 W Source 
  • Peak (decode)44.5 tok/scontext kurzer Kontext · Stand 2026-08-06 („decode night“): Takte auf 1995 MHz fixiert, 270 W, Sinkhorn/fp8-KV-Kernel; temp 0, 256-Token-Bursts über Prod-Server Source 

Prefill by context

  • 98K1,906 tok/sWarm-Server, 350 W (README „1,906 t/s“) Source 

What you need

Hardware
4 × NVIDIA RTX 3090
Engine
llama.cpp ds4-longctx @b001c8cd73 (2026-08-07)
Context
131,072 tokens

Notes

What matters before you rebuild it.

  • ≤ 3 bit: quantization may cost qualityAt 3 bit and below the model may answer noticeably worse than the original. The intelligence number refers to the original.
  • Experimental
  • Custom kernel required

Sources

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