Shifted Based Adamax 구현

[chromatices]

develop branch로 재업로드합니다

[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_adamax.py:

Line 11:80: E501 line too long (104 > 79 characters)
Line 12:49: E116 unexpected indentation (comment)
Line 12:80: E501 line too long (97 > 79 characters)
Line 13:6: E225 missing whitespace around operator
Line 17:18: E225 missing whitespace around operator
Line 18:28: E231 missing whitespace after ','
Line 18:49: E231 missing whitespace after ','
Line 27:80: E501 line too long (82 > 79 characters)
Line 32:42: W292 no newline at end of file

• In the file utils/shift_based_batch_norm.py:

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