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gemma-4-31B-it · IQ3_XS
NVIDIA DGX Spark128GBllama.cpp v0.31L2 Cross-framework verified
This page aggregates 1 real-world runs of gemma-4-31B-it (IQ3_XS) on NVIDIA DGX Spark with llama.cpp, contributed by 1 independent source platforms; metrics are averages of published measurements.
91.61 tok/s
Decode
Decode speed
449.28 tok/s
Prefill
Prefill speed
2.03 s
TTFT
Time to first token
42.46 GB
VRAM
VRAM usage
L2 Cross-framework verified
1
Measured runs
1
Independent sources
Other
Source platforms
5 days ago
Last verified
Performance
- llama.cpp · IQ3_XS (current)Decode 91.61 · Prefill 449.28 ·
- Ollama · Q6_K Decode 50.14 · Prefill 188.84 ·
Core figures
- Decode (avg)
- 91.61 tok/s
- Prefill (avg)
- 449.28 tok/s
- TTFT (avg)
- 2.03 s
- VRAM (avg)
- 42.46 GB
- MTP acceptance rate
- —
- TTFB
- 0.73 GB
- Power draw
- 261.9 W
Configuration
Member-level fields are taken from the most recent run
- Model
- gemma-4-31B-it
- Quantization
- IQ3_XS
- Framework
- llama.cpp
- Version
- v0.31
- Context length
- 32768 tokens
- Batch size
- 512
- GPU layers
- 28
- Flash Attention
- Off
Hardware
Nominal and measured figures are shown side by side; whether it runs is the reader's call
- GPU
- NVIDIA DGX Spark
- Nominal VRAM
- 128 GB
- Measured VRAM (avg)
- 42.46 GB
- OS
- Ubuntu 24.04
- Driver
- 555.85
- CUDA
- 12.8
- Power draw
- 261.9 W
Sources & evidence
1 measured records in total, each traceable to its original source
v0.31 · Ubuntu 24.04 · CUDA 12.8 · 32768 ctx
91.61 tok/s
Decode
449.28 tok/s
Prefill
2.03 s
TTFT
42.46 GB
VRAM
—
MTP
261.9 W
Power draw
L2 batch seed 2026-10-13: llama.cpp on hw_id=54 running model_id=63 at IQ3_XS