masahi commented on code in PR #14417:
URL: https://github.com/apache/tvm/pull/14417#discussion_r1151194183
##########
tests/python/relax/test_dataflow_pattern.py:
##########
@@ -1006,5 +1006,50 @@ def rewriter(_, matchings):
tvm.ir.assert_structural_equal(rewritten, expected)
+def test_attention_qkv():
+ @tvm.script.ir_module
+ class QKV_proj:
+ @R.function
+ def main(
+ x: R.Tensor((2, 1024, 640), "float32"),
+ w0: R.Tensor((640, 640), "float32"),
+ w1: R.Tensor((640, 640), "float32"),
+ w2: R.Tensor((640, 640), "float32"),
+ ) -> R.Tensor:
+ with R.dataflow():
+ lv0 = R.matmul(x, w0)
+ lv1 = R.matmul(x, w1)
+ lv2 = R.matmul(x, w2)
+ out = (lv0, lv1, lv2)
+ R.output(out)
+ return out
+
+ with PatternContext() as ctx:
+ inp_pat = wildcard()
+ Q_weight_pat = wildcard()
+ K_weight_pat = wildcard()
+ V_weight_pat = wildcard()
+
+ matmul1 = is_op("relax.matmul")(inp_pat, Q_weight_pat)
+ matmul2 = is_op("relax.matmul")(inp_pat, K_weight_pat)
+ matmul3 = is_op("relax.matmul")(inp_pat, V_weight_pat)
+
+ # TODO(masahi): Automate addition of used_by constraints during is_op
Review Comment:
I have a follow-up PR to address this, which removes all `used_by` stuff
below @ganler
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