Shifted Based Batch Normalization 구현하기

[chromatices]

shift based BN 구현 코드입니다!

[pep8speaks]

Hello @chromatices! Thanks for opening this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file utils/ap2.py:

Line 17:80: E501 line too long (102 > 79 characters)
Line 18:80: E501 line too long (82 > 79 characters)
Line 19:80: E501 line too long (88 > 79 characters)

• In the file utils/bit_shift_tensor.py:

Line 7:80: E501 line too long (84 > 79 characters)
Line 31:80: E501 line too long (80 > 79 characters)

• In the file utils/shift_based_batch_norm.py:

Line 33:80: E501 line too long (115 > 79 characters)