Merge pull request !2611 from dinghao/master

Before, we only decide whether to collect data by current step,
it will not work well in dataset sink mode, so we check to see
if it's a dataset sink mode, and decide whether to collect data.

Merge pull request !2286 from gziyan/optimizer_parallel

Merge pull request !2608 from yao_yf/reshape_cost_dont_create_group

Merge pull request !2399 from ghzl/fix-params-keyerror-in-group-params

Merge pull request !2561 from dinghao/master

Merge pull request !2554 from caojian05/mindspore_master_bugfix

Merge pull request !2562 from vlne-v1/I1LHCF-print-multi-times-and-same-str

Merge pull request !2593 from ava/python_ut_tests

Merge pull request !2601 from JesseKLee/auto_index

Merge pull request !2594 from cathwong/ckw_dataset_fixes

Merge pull request !2472 from JesseKLee/cache_infra

Merge pull request !2598 from DeshiChen/0624_akg_batmatmul_master

input

Signed-off-by: zhoufeng <zhoufeng54@huawei.com>

Merge pull request !2587 from imaaamin/object_ops_ut

Merge pull request !2590 from danishnxt/AugOps2

Merge pull request !2532 from ava/NNNewMaster

Merge pull request !2586 from Jamie/dataset_subtree

Merge pull request !2589 from chenzhongming/fix_ckpt

updates

fix

fix cpplint

fix

Merge pull request !2473 from lixiachen/compute_column_map

Merge pull request !2533 from danishnxt/AugOpsD2

Style Error fix

fixed PyLint problem

reverting testVOC2012 due to CI break for existing test

reverting testVOC2012 due to CI break for existing test-2

updated old error messages to confirm with global standard

addressing PR 2355 Comments - 1

addressing PR 2355 Comments - 2

addressing PR 2355 Comments - 3

Merge pull request !2544 from rick_sanchez/huangyong

Merge pull request !2576 from amongo/AddBackAssignValue

Merge pull request !2526 from Alexey_Shevlyakov/alex_fix_memory_leak

Merge pull request !2534 from h.farahat/slice_api

Merge pull request !2374 from MahdiRahmaniHanzaki/I1L892-pad-cutout-ut

Merge pull request !2566 from liuwenhao/arg

Merge pull request !2569 from Chong/zc