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[TOPI] nn batch_matmul te computation support dynamism #7494

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[TOPI] nn batch_matmul te computation support dynamism #7494

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17 changes: 13 additions & 4 deletions python/tvm/topi/nn/batch_matmul.py
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,8 @@
# pylint: disable=invalid-name
import tvm
from tvm import te, auto_scheduler
from ..utils import get_const_tuple
from tvm import tir
from ..util import get_const_tuple


def batch_matmul(x, y, oshape=None, auto_scheduler_rewritten_layout=""):
Expand Down Expand Up @@ -61,9 +62,17 @@ def batch_matmul(x, y, oshape=None, auto_scheduler_rewritten_layout=""):
_, M, K = x.shape
k = te.reduce_axis((0, K), name="k")
if oshape is None:
assert XB == YB or XB == 1 or YB == 1, "batch dimension doesn't match"
assert x_shape[2] == y_shape[2], "shapes of x and y is inconsistant"
batch = te.max(XB, YB)
if isinstance(XB, int) and isinstance(YB, int):
assert XB == YB or XB == 1 or YB == 1, "batch dimension doesn't match"
batch = max(XB, YB)
elif isinstance(XB, tir.expr.Var):
batch = XB
else:
batch = YB

if isinstance(x_shape[2], int) and isinstance(y_shape[2], int):
assert x_shape[2] == y_shape[2], "shapes of x and y is inconsistant"

N = y.shape[1]
oshape = (batch, M, N)

Expand Down