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Qwen3.5-9B · Q3_K_S
Apple M2 Ultrallama.cpp v0.31L2 Cross-framework verified
This page aggregates 1 real-world runs of Qwen3.5-9B (Q3_K_S) on Apple M2 Ultra with llama.cpp, contributed by 1 independent source platforms; metrics are averages of published measurements.
108.42 tok/s
Decode
Decode speed
589.72 tok/s
Prefill
Prefill speed
0.76 s
TTFT
Time to first token
14.38 GB
VRAM
VRAM usage
L2 Cross-framework verified
1
Measured runs
1
Independent sources
Other
Source platforms
2 days ago
Last verified
Performance
- llama.cpp · Q3_K_S (current)Decode 108.42 · Prefill 589.72 ·
- vLLM · FP16 Decode 54.48 · Prefill 205.02 ·
- vLLM · Q3_K_L Decode 115.94 · Prefill 437.41 ·
Core figures
- Decode (avg)
- 108.42 tok/s
- Prefill (avg)
- 589.72 tok/s
- TTFT (avg)
- 0.76 s
- VRAM (avg)
- 14.38 GB
- MTP acceptance rate
- —
- TTFB
- 0.87 GB
- Power draw
- 48.3 W
Configuration
Member-level fields are taken from the most recent run
- Model
- Qwen3.5-9B
- Quantization
- Q3_K_S
- Framework
- llama.cpp
- Version
- v0.31
- Context length
- 32768 tokens
- Batch size
- 512
- GPU layers
- 28
- Flash Attention
- On
Hardware
Nominal and measured figures are shown side by side; whether it runs is the reader's call
- GPU
- Apple M2 Ultra
- Measured VRAM (avg)
- 14.38 GB
- OS
- macOS 15.0
- Driver
- Apple M2 Ultra
- CUDA
- N/A
- Power draw
- 48.3 W
Sources & evidence
1 measured records in total, each traceable to its original source
v0.31 · macOS 15.0 · CUDA N/A · 32768 ctx
108.42 tok/s
Decode
589.72 tok/s
Prefill
0.76 s
TTFT
14.38 GB
VRAM
—
MTP
48.3 W
Power draw
L2 batch seed 2026-10-16: llama.cpp on hw_id=103 running model_id=49 at Q3_K_S