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Fix enable memory efficient attention on ROCm #10564

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merged 2 commits into from
Jan 31, 2025
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Fix enable memory efficient attention on ROCm #10564

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36d34fd
fix enable memory efficient attention on ROCm
tenpercent Jan 13, 2025
2d2411e
Update attention_processor.py
tenpercent Jan 15, 2025
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11 changes: 6 additions & 5 deletions src/diffusers/models/attention_processor.py
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Original file line number Diff line number Diff line change
Expand Up @@ -399,11 +399,12 @@ def set_use_memory_efficient_attention_xformers(
else:
try:
# Make sure we can run the memory efficient attention
_ = xformers.ops.memory_efficient_attention(
torch.randn((1, 2, 40), device="cuda"),
torch.randn((1, 2, 40), device="cuda"),
torch.randn((1, 2, 40), device="cuda"),
)
dtype = None
if attention_op is not None:
op_fw, op_bw = attention_op
dtype, *_ = op_fw.SUPPORTED_DTYPES
q = torch.randn((1, 2, 40), device="cuda", dtype=dtype)
_ = xformers.ops.memory_efficient_attention(q, q, q)
except Exception as e:
raise e

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