Merge branch 'fix-transpose_matmul_weight' into 'master'

fix transpose matmul weight

See merge request !1132

mace/python/tools/converter_tool/transformer.py

@@ -1047,6 +1047,7 @@ class Transformer(base_converter.ConverterInterface):
         if self._option.device != DeviceType.CPU.value:
             return False
         net = self._model
+        transposed_weights = []
         for op in net.op:
             if op.type == MaceOp.MatMul.name:  # noqa
                 rhs = op.input[1]
@@ -1058,13 +1059,15 @@ class Transformer(base_converter.ConverterInterface):
                         arg.name = MaceKeyword.mace_transpose_b_str
                         arg.i = 0
                     if arg.i == 0:
+                        arg.i = 1
+                        if rhs not in transposed_weights:
                             filter = self._consts[rhs]
                             filter_data = np.array(filter.float_data).reshape(
                                 filter.dims)
                             filter_data = filter_data.transpose(1, 0)
                             filter.float_data[:] = filter_data.flat
                             filter.dims[:] = filter_data.shape
-                        arg.i = 1
+                            transposed_weights.append(rhs)
                             six.print_('Transpose matmul weight to shape:',
                                        filter.dims)