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Qwen3.5-4B
Performance
4k
tokens
2,614
PP tok/s
151.0
TG tok/s
1567
TTFT (ms)
4.2
Peak mem (GB)
Hardware
Chip
M3 Ultra (80c)
Memory
256 GB
GPU Cores
80
Software
oMLX
v0.2.7
macOS
macOS 26.2
Context
4,096
Performance by Context Length
| Context | PP tok/s | TG tok/s | Peak Mem | |
|---|---|---|---|---|
| 1k | 2,579 | 161.4 | 4.0 GB | view |
| 4k | 2,614 | 151.0 | 4.2 GB | current |
| 8k | 2,541 | 137.2 | 4.6 GB | view |
| 16k | 2,385 | 118.5 | 5.3 GB | view |
| 32k | 2,111 | 92.0 | 6.9 GB | view |
| 64k | 1,706 | 64.4 | 8.6 GB | view |
Batching Results
| Batch Size | TG tok/s | Speedup |
|---|---|---|
| 1× | 161.4 | 1.00× |
| 2× | 276.7 | 1.71× |
| 4× | 382.6 | 2.37× |
| 8× | 514.6 | 3.19× |