giuseros commented on a change in pull request #7093:
URL: https://github.com/apache/tvm/pull/7093#discussion_r542233725
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File path: python/tvm/relay/frontend/tflite.py
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@@ -1991,20 +1994,29 @@ def convert_conv(self, op, conv_type):
weight_tensor_type_str = self.get_tensor_type_str(weight_tensor_type)
in_expr = self.get_expr(input_tensor_idx)
- weight_value = self.get_tensor_value(weight_tensor)
-
- # TFLite kernel layout:
- # convolution:
- # OC KH KW IC, we require KH KW IC OC (HWIO)
- # depthwise convolution:
- # 1 KH KW C(input_c * depth_multiplier), we require
- # KH KW IC M (depth_multiplier) (HWOI)
- if is_depthwise_conv:
- weight_value = weight_value.reshape(kernel_h, kernel_w, input_c,
depth_multiplier)
+
+ if self.has_expr(weight_tensor.tensor_idx):
+ weight_expr = self.get_expr(weight_tensor.tensor_idx)
+ if is_depthwise_conv:
+ weight_expr = _op.reshape(
+ weight_expr, (kernel_h, kernel_w, input_c,
depth_multiplier)
+ )
+ else:
+ weight_expr = _op.transpose(weight_expr, axes=(1, 2, 3, 0))
Review comment:
Few questions about this:
* is this related to `float16` support?
* is your test hitting this code?
* could you write some comment to explain when this branch is taken and why?
Same questions hold for the bias later
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