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This PR is to update README of PyTorch nightly version, and update some codes related to CPU support.
We have optimized attn_mask in SDPA with block-wise algorithm in pytorch/pytorch#126961. It can reduce memory peak usage, and have some performance improvements as below.
Performance
Single socket in Intel (R) Xeon (R) CPU Max 9480
Dtype: bfloat16, models: vit_b and vit_h, test in
SDPA
andTriton
commit https://github.com/pytorch-labs/segment-anything-fast/blob/main/experiments/run_experiments.py#L199-L200, select the time of 20th iteration.