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Qwen3.5-2B
Performance
1k
tokens
1,241
PP tok/s
180.7
TG tok/s
825
TTFT (ms)
2.7
Peak mem (GB)
Hardware
Chip
M1 Ultra (48c)
Memory
64 GB
GPU Cores
48
Software
oMLX
v0.2.7
macOS
macOS 26.3.1
Context
1,024
Performance by Context Length
| Context | PP tok/s | TG tok/s | Peak Mem | |
|---|---|---|---|---|
| 1k | 1,241 | 180.7 | 2.7 GB | current |
| 4k | 1,883 | 168.6 | 2.8 GB | view |
| 8k | 2,094 | 158.2 | 2.8 GB | view |
| 16k | 2,019 | 132.6 | 3.0 GB | view |
| 32k | 1,864 | 90.0 | 3.7 GB | view |
| 64k | 1,570 | 55.8 | 5.1 GB | view |
Batching Results
| Batch Size | TG tok/s | Speedup |
|---|---|---|
| 1× | 180.7 | 1.00× |
| 2× | 253.2 | 1.40× |
| 4× | 322.9 | 1.79× |
| 8× | 384.8 | 2.13× |