the-algorithm/twml/twml_common/initializer.py
2023-04-17 09:49:03 +05:30

19 lines
710 B
Python

import numpy as np
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: np.ndarray):
self.np_array = np_array
def __call__(self, shape, dtype=None, partition_info=None) -> np.ndarray:
"""Returns a numpy array for the given shape and dtype."""
offset = partition_info.var_offset
ix0, ix1 = offset[0], offset[0] + shape[0]
iy0, iy1 = offset[1], offset[1] + shape[1]
if dtype is not None:
return self.np_array[ix0:ix1, iy0:iy1].astype(dtype)
return self.np_array[ix0:ix1, iy0:iy1]