[GitHub] [incubator-tvm] anijain2305 commented on a change in pull request #5153: Adding support for QNN subtract op

[GitBox <gi...@apache.org>]

anijain2305 commented on a change in pull request #5153: Adding support for QNN subtract op
URL: https://github.com/apache/incubator-tvm/pull/5153#discussion_r398780962
 
 

 ##########
 File path: python/tvm/relay/qnn/op/qnn.py
 ##########
 @@ -436,3 +436,54 @@ def mul(lhs, rhs, lhs_scale, lhs_zero_point, rhs_scale, rhs_zero_point,
                      lhs_scale, lhs_zero_point,
                      rhs_scale, rhs_zero_point,
                      output_scale, output_zero_point)
+
+
+def subtract(lhs,
+             rhs,
+             lhs_scale,
+             lhs_zero_point,
+             rhs_scale,
+             rhs_zero_point,
+             output_scale,
+             output_zero_point):
+    """Quantized subtraction with numpy-style broadcasting.
+
+    Parameters
+    ----------
+    lhs : relay.Expr
+        The left hand side quantized input data.
+
+    rhs : relay.Expr
+        The right hand side quantized input data.
+
+    lhs_scale: float
+        The scale of the lhs quantized expr.
+
 
 Review comment:
   Remove

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