twitter-algorithm/twml/twml_common/initializer.py

15 lines
477 B
Python
Raw Permalink Normal View History

import tensorflow.compat.v1 as tf
class PartitionInitializer(tf.keras.initializers.Initializer):
"""Required to initialize partitioned weight with numpy array for tests"""
def __init__(self, np_array):
self.np_array = np_array
def __call__(self, shape, dtype=None, partition_info=None):
offset = partition_info.var_offset
ix0, ix1 = offset[0], offset[0] + shape[0]
iy0, iy1 = offset[1], offset[1] + shape[1]
return self.np_array[ix0:ix1, iy0:iy1]