Local AI · Recipe · 2× DGX Spark

DeepSeek-V4-Flash 0731 Q2 with DwarfStar on 2× DGX Spark (network TP)

DeepSeek-V4-Flash 0731 Q2 with DwarfStar on 2× DGX Spark (network TP): 26 tok/s according to github.com (dataset as of Sep 29, 2026).

by antirez

26tok/sEveryday

1 request, prose prompt (105 tokens), 64K allocated, no speculative decoding

Source: github.com
Intelligence (original model) · Artificial Analysis34with thinkingOriginal model's value. Heavily compressed (~2.1 bit), intelligence is likely much lower.

≤ 3 bit: quantization may cost quality

Engine

Engine
DwarfStar (ds4) main@fc80bd69 (2026-10-07)
Quantization
IQ2_XXS gate/up + Q2_K down (routed, imatrix), Q8 Attn/Shared/Out; Experten hälftig je Spark (~45 GiB je Host)
Model family
DeepSeek-V4-Flash
Context
65,536
Creator
antirez
GitHub stars
23,753
Repo updated
Oct 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

  • Everyday (decode)26 tok/scontext 64K · 2026-10-02, direktes 200-Gb/s-RoCE, 512 Decode-Token, ohne Spekulation; Einzelmessung, kein Release-Median Source 
  • Peak (decode)83.3 tok/scontext 64K · 2026-10-04, DSpark (Drafter auf beiden Ranks über RDMA), Prompt „C hash table“ (31 Token), Temperatur 0, 512 Token, Median aus 2 Läufen; Prosa-Prompt: 44,0 t/s Source 

Prefill by context

  • 32K618 tok/sFresh 32K prefill, 64K alloziert (2026-10-02); 8K-Append 610 t/s; Einzelmessung Source 

What you need

Hardware
2 × NVIDIA DGX Spark (GB10)
Engine
DwarfStar (ds4) main@fc80bd69 (2026-10-07)
Context
65,536 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.

Sources

Related recipes

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