Fix the performance regression introduced during support of irregular shapes. #10
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Tested with
performance_forward.py
withfused-attention-batch4-head64-d64-fwd-causal=False
.Now it's 94.61 TFLOPS on MI210 or 220.86 TFLOPS on MI300X, for
N_CTX=8192
cases.All UTs in
test/test_backward.py
passed