Merge pull request !7696 from peixu_ren/custom_gpu

Merge pull request !7848 from shenwei41/new_master

update ut

add test case

fix ci

fix ci round 2

address review cmts

Merge pull request !7734 from Alex Yuyue/IR_dataset_input

Merge pull request !7841 from zhouyuanshen/ACosGrad_and_AsinGrad

Merge pull request !7922 from xiaotianci/fix_distributed_sampler

Merge pull request !7879 from zhouyuanshen/asin_acos_fp16

Merge pull request !7771 from huangxinjing/segment_ops

add related comment to explain
add related UT

Merge pull request !7834 from yuchaojie/quant

Merge pull request !7651 from jiangzhenguang/add_embedding_and_enbedding_lookup

and caching over Album dataset

Merge pull request !7826 from linqingke/gpu_ops

Signed-off-by: alex-yuyue <yue.yu1@huawei.com>

Merge pull request !7437 from yao_yf/auto_parallel_support_dynamic_shape

Merge pull request !7805 from yihuaijie/master

Merge pull request !7790 from lvchangquan/transdata

Merge pull request !7735 from baihuawei/fixmultinomial

Merge pull request !7767 from VectorSL/readme

Merge pull request !7794 from XunDeng/pp_issue_branch

Merge pull request !7724 from yao_yf/set_last_operator_strategy_euqal_to_label_in_eval

Merge pull request !7722 from yanzhenxiang2020/incubator_to_open

Merge pull request !7786 from JonathanY/ops_oct

Merge pull request !7736 from danishnxt/MirrorPadRework

Merge pull request !7611 from danishnxt/newMaster

Merge pull request !7664 from anancds/http-patch

Merge pull request !7525 from baihuawei/cpu_type_exception