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@little-planet little-planet commented Jan 12, 2026

  1. The result of mean_dim is deterministic.
  2. Accuracy of mean_dim is consistent with torch.mean.
  3. Performance
    | shape | dim | torch | triton |
    | ------------------ | ---- | -------- | ------- |
    | (4096, 4096) | 1 | 0.12ms | 0.32ms |
    | (8192, 8192) | 1 | 0.39ms | 0.44ms |
    | (1001, 22, 2045) | 2 | 0.34ms | 0.45ms |
    | (2048, 4096, 16) | 1 | 0.58ms | 2.11ms |

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