Merge pull request !960 from EricZ/grayscale_fix

Merge pull request !507 from ZiruiWu/batch_with_padding

Merge pull request !951 from guozhijian/fix_read_by_columns

support for 1 specific dimension to be None, added validator

fix various CI complains

another round of CI fixes

ci

refactor parts of the code

code refactor

ci fix

comments added, fix bugs

address review comments

address review comments

review cmts

added simple perf test script

update pad code

perf imprv

Comparison example

Added md5 and comparison example for py_transforms

Added md5 check for images

Added testcase to show that c image aug don't use seed properly

Added passing test cases

Added working testcases for using seed

Added additional test cases to show seed use

Added test case for seed

Merge pull request !875 from AdelShafiei/ua_py

Merge pull request !872 from JunhanHu/generator_schema

Merge pull request !869 from JesseKLee/random_data_op

Merge pull request !672 from AdelShafiei/ua_ut

Merge pull request !603 from liyong126/update_pk_sampler

Merge pull request !671 from EricZ/master

Merge pull request !466 from h.farahat/deepcopy

fix ut

Added new testcase for multi iterator

Addressing review

Fixed typo

Merge pull request !524 from alashkari/ua-ops

Merge pull request !508 from EricZ/master

Initial commit for dataset op python

Added signature to barrier

Adde compiling barrier code

Rebasing, fixed new compile errors

Final fix for make_unique

Added pybind API for barrier

Fixed pyfunc invocation

python interface - sync_wait

!1 sync_wait python interface
* python interface - sync_wait

fix test

update test

update test

Added new test case

add test case

test for shuffle + batch

Added two-sync test case

Restrited that no shuffle after sync

Added sync to pipeline info

block first databuffer as well

Intelligently get batch size

Fix default case

Lock Pair shares among all iterators

Added fix for empty character

Fixed up test case formatting

Fix end of epoch in sync_wait

Fixing CI

Merge pull request !506 from JunhanHu/multiprocess_pyfunc

Merge pull request !483 from jiangzhiwen/dataset/skip_opt

Merge pull request !406 from Peilin/first-row-crc-check

Merge pull request !460 from xulei/filter_master

Merge pull request !404 from JunhanHu/python_sampler_for_cpp_dataset

addressed code review comments. added check in python layer to exclude directories and to raise an error if a pattern does not match any file

fixed clang format

fixed cppcheck

fixed cppcheck (used std::accumulate and std::copy_if). regenerated tfrecord file to contain correct header, it was a dummy header before

fixed cppcheck: added const reference for string parameter for lambdas, fixed clang format: whitespace adjustments

more clang whitespace fixes...

changed print to logger.info

Merge pull request !435 from anthonyaje/fix_serdes_dataset