Merge pull request !3715 from BowenK/new_pattern

Merge pull request !3756 from XunDeng/pp_poc_v3

Merge pull request !3370 from xychow/fix-context-dup

Merge pull request !3846 from liuxiao93/Add-ops-SeluSquaredDifference

Merge pull request !3880 from wangqiuliang/fix-gradients-issue-in-pynative

Merge pull request !3820 from zhangbuxue/support_dtype_and_shape_as_attr_in_graph_mode

Merge pull request !3473 from vlne-v1/change_base_class_of_parameter

if funcgraph or metafuncgraph call it recursively, then anf_node should be used as tracking_id to discriminate the first occurcance and the
recursive occurance.
add anf_node to PrimitiveAbstractClosure hash() to reduce cost of GetEvaluatorFor().

ignore the tracking_id to make cse work.

Merge pull request !3744 from Xiaoda/14-add-new-graph-operations-in-auto-parallel

Merge pull request !3837 from liucunwei/add_test_for_mindrecord3

Merge pull request !3553 from tony_liu2/staging

Merge pull request !3537 from riemann_penn/add_sparse_operator

Merge pull request !3727 from xiefangqi/fuzz_issue_pad_01

Merge pull request !3645 from chenzhongming/master

Merge pull request !3671 from ms_yan/vgg_optimize

add mindspore.hub and change model_zoo

Merge pull request !3657 from yangzhenzhang/add-stridedslice-op

Merge pull request !3405 from gziyan/fix_optimizer_parallel

fix line lengths

fix spacing

reverse a few changes

Merge pull request !3603 from jiangzhiwen/fix_column_names_exceeded

Merge pull request !3394 from XunDeng/pp_poc_v3

Merge pull request !3472 from Xiaoda/13-add-gpu-costmodel

Merge pull request !3528 from Simson/push-to-opensource

Merge pull request !3435 from yangzhenzhang/add-tile-op

added cdf, logcdf, survival, logsurvival, entropy, mode, cross_entropy wrapper