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Qwen3.5-35B Fast Performance

·2026.04.17 11:14

Key point

On an M2 Ultra 64GB, Qwen3.5-35B-A3B Q8_K_XL achieved 63 t/s in generation.

Details

This is a benchmark result from running Qwen3.5-35B-A3B Q8_K_XL on a Mac Studio M2 Ultra 64GB.

  • Prefill 10240: 1734 t/s
  • Prefill 16384: 1552 t/s
  • Generate 512: 63 t/s

The run parameters were -ngl 99 -fa 1 -b 2048 -ub 2048 -ctk bf16 -ctv bf16 -mmp 0, and the results were aggregated as an average of 3 runs.

Even in the long-prompt range, prefill remained in the 1,500-1,700 t/s range, and the generation stage recorded 63 t/s, providing a real-world measurement for gauging local large-model inference performance.

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