NXP backend: Print information about max error during the output tensor comparison

Author: skywall

backends/nxp/tests/executors.py

@@ -196,6 +196,11 @@ def compare_output_arrays(
 
     assert tfl_output.shape == edge_output.shape, "Output shapes don't match!"
 
+    if (max_diff := np.abs(np.max(tfl_output - edge_output))) > 0.0:
+        logger.w(
+            f"Maximum absolute difference of the tensor '{output_name}': '{max_diff}'"
+        )
+
     assert np.allclose(
         tfl_output, edge_output, rtol=rtol, atol=atol, equal_nan=True
     ), f"Output values of the `{output_name}` tensor don't match!"