Signed-off-by: candanzg <zhangshucheng@huawei.com>

Merge pull request !246 from vlne-v1/I1E3PI-opt-pass-adjust-allreduce-apply-weight-decy-seq

Merge pull request !337 from kisnwang/optimize-execute-order-sort

Merge pull request !443 from kisnwang/add-cpu-onehot-new

Merge pull request !441 from YuJianfeng/master

Merge pull request !420 from amongo/FixMixedPrecisionForConstParam

clean clang format errors and cpplint errors

add some test cases for histogram summary operator

Merge pull request !435 from anthonyaje/fix_serdes_dataset

Merge pull request !400 from amongo/FixMathOps

Merge pull request !333 from jiangzhiwen/dataset/skip

Merge pull request !434 from h.farahat/multi_itr_bug

Add new test cases

Merge pull request !350 from lianliguang/chang-tuple-output-to-make-tuple

format code

remove test case for fp64

add back scalar manipulation

remove save graph

Merge pull request !317 from huanghui/derelu_fusion_pass

fix pylint

Merge pull request !402 from yangzhenzhang/square

Merge pull request !383 from zhaozhenlong/cell/psnr

Merge pull request !286 from wangqiuliang/resolve-pynative-operator-issue

Merge pull request !183 from JunhanHu/cpp_sampler

Merge pull request !386 from changzherui/modify-ut

Merge pull request !343 from amongo/FixGradUsingInterfaceExtend

Merge pull request !314 from VectorSL/assign

Merge pull request !217 from zhangbuxue/support_pow_operator

Merge pull request !379 from JichenZhao/groupnorm

Merge pull request !382 from yangzhenzhang/sigmoidloss

add test case for grad concat

fix usage in test framework

fix testcase

format code

Merge pull request !376 from wenchunjiang/getnext_pass