Merge pull request !6503 from chenfei_mindspore/master

Signed-off-by: Ting Wang <kathy.wangting@huawei.com>

Merge pull request !6483 from gziyan/rm——parameter_broadcast

Merge pull request !6267 from zhaoting/clean_warnings

Merge pull request !6246 from changzherui/mod_quant_export

delete mobilenet st

read device num

modify step output

modify split

read json split

fix bug of args

set dataset sink mode

modify dataset sink mode

Merge pull request !5768 from linqingke/fasterrcnn

Merge pull request !6008 from chenfei_mindspore/fix-readme-of-mobilenetv2

change ImagefolderDV2 name

change ds.transforms.vision to ds.vision

change batch api to match map api more closely

compose op changes

test_pylint

remove compose op from vision, move to transform module, refactor map and batch to use column_order

Merge pull request !5827 from hwjiaorui/master

Merge pull request !5700 from yao_yf/mirrot_mean_to_gradients_mean

Merge pull request !5127 from hwjiaorui/master

resnet50_quant

modify readme

Merge pull request !5502 from wanyiming/mod_SoftmaxCrossEntropyWithlogits

Merge pull request !5471 from chenfei_mindspore/rm-bool-arg-of-script

Merge pull request !5350 from lichen/rectification_init

Merge pull request !5351 from yao_yf/parallel_context_collation

Merge pull request !4626 from chenfei_mindspore/rm-unused-script-from-mobile-net-quant

Merge pull request !4609 from chenzhongming/new_master