Frank McQuillan created MADLIB-1478:
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Summary: DL: Passing in a custom function table to fit along with
built in loss and metrics functions errors out
Key: MADLIB-1478
URL: https://issues.apache.org/jira/browse/MADLIB-1478
Project: Apache MADlib
Issue Type: Bug
Components: Deep Learning
Reporter: Frank McQuillan
Fix For: v1.19.0
Passing in a custom function table to fit along with built in loss and metrics
functions errors out
{code}
SELECT madlib.load_top_k_accuracy_function('custom_function_table',
3);
SELECT madlib.madlib_keras_fit('iris_data_packed',
'iris_model','iris_model_arch',1,
$$loss='categorical_crossentropy',optimizer='Adam(lr=0.1)',metrics=['accuracy']$$,
$$batch_size=10,epochs=1$$,1, FALSE, NULL, NULL,
FALSE,NULL,NULL,'custom_function_table');
DETAIL: Traceback (most recent call last):\n File "<string>", line 11, in
__plpython_procedure_fit_transition_wide_359961\n File
"/Users/nikhilkak/workspace/madlib/build/src/ports/greenplum/6/modules/deep_learning/madlib_keras.py",
line 579, in fit_transition_wide\n File
"/Users/nikhilkak/workspace/madlib/build/src/ports/greenplum/6/modules/deep_learning/madlib_keras.py",
line 618, in fit_transition\n File
"/Users/nikhilkak/workspace/madlib/build/src/ports/greenplum/6/modules/deep_learning/madlib_keras.py",
line 91, in get_init_model_and_sess\n File
"/Users/nikhilkak/workspace/madlib/build/src/ports/greenplum/6/modules/deep_learning/madlib_keras.py",
line 551, in init_model\n File
"/Users/nikhilkak/workspace/madlib/build/src/ports/greenplum/6/modules/deep_learning/madlib_keras_wrapper.py",
line 347, in compile_model\n File
"/Library/Python/2.7/site-packages/dill/_dill.py", line 283, in loads\n
return load(file, ignore, **kwds)\n File
"/Library/Python/2.7/site-packages/dill/_dill.py", line 278, in load\n
return Unpickler(file, ignore=ignore, **kwds).load()\n File
"/Library/Python/2.7/site-packages/dill/_dill.py", line 481, in load\n obj =
StockUnpickler.load(self)\n File
"/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pickle.py",
line 864, in load\n dispatch[key](self)\nKeyError: \'{\'\n'
(plpy_elog.c:121) (seg0 slice1 127.0.0.1:6002 pid=85404)
{code}
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