Merge pull request !232 from Xiaoda/model-memory-cost-in-auto-parallel

Merge pull request !288 from kisnwang/fix-nopnode-output-bug

Merge pull request !226 from wangnan39/expend_conv_stride_to_2d

Merge pull request !275 from yoonlee666/master

Merge pull request !281 from SanjayChan/origin/quant_liantiao

Model the memory cost in auto-parallel. It is calculated by the output of operators, plus the parameters. Additionally, modify the graph-operations in auto_parallel to include memory_cost.

Merge pull request !283 from jjfeing/master

Merge pull request !273 from liyong126/mindrecord_subset_sampler_python

Merge pull request !269 from ZhangQinghua/master

Merge pull request !250 from casgj/gaojing_new4

Merge pull request !239 from fanglei/master

Merge pull request !270 from SanjayChan/mac_os

Merge pull request !207 from ZiruiWu/batch_info_overflow

Merge pull request !271 from pengyanjun/fix_repeat_epoch_doc

Merge pull request !200 from chengang/quant

Merge pull request !132 from huanghui/master

adjust internal api

Merge pull request !247 from JoyLvliang/fix-bug-type-str-is-invalied-uint16

Merge pull request !216 from YuJianfeng/master

Merge pull request !266 from ghzl/modify-some-example-in-me-front

Merge pull request !245 from chentingting/add_bool_type_check_in_comm_op

Merge pull request !258 from lichen/add_minimum_distributed_op

Merge pull request !208 from vlne-v1/I1D33P-auto-mix-precision-eval-support

Merge pull request !265 from vlne-v1/I1EE1P-insertgradiendof-with-parameter

Merge pull request !248 from zjun/fix_getnext_bug