masahi commented on code in PR #15837:
URL: https://github.com/apache/tvm/pull/15837#discussion_r1344612578
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python/tvm/contrib/cutlass/build.py:
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@@ -862,10 +862,13 @@ def handle_matmul(self, f, op_type):
def handle_attention(self, f, op_type):
"""Annotate an attention op."""
signature = _extract_relax_function_signature(f)
+
if _get_call_node(f.body, "relax.nn.attention") is not None:
op_attrs = _get_call_node(f.body, "relax.nn.attention").attrs
elif _get_call_node(f.body, "relax.nn.attention_bias") is not None:
op_attrs = _get_call_node(f.body, "relax.nn.attention_bias").attrs
+ elif _get_call_node(f.body, "relax.nn.attention_var_len") is not None:
Review Comment:
That doesn't work because different kinds of attention op require different
inputs, not attributes. And Relax doesn't support variable-length inputs.
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