Merge pull request !200 from chengang/quant

Merge pull request !132 from huanghui/master

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

Merge pull request !224 from zhangbuxue/dock_relu6_for_open_source_processes

Merge pull request !212 from SanjayChan/quant_frontend

Merge pull request !257 from ghzl/fix-print-content-of-mstype-string

Merge pull request !203 from kisnwang/optimize-allreduce-mem-malloc

Merge pull request !253 from zhaoting/add-YOLOv3-infer-scipt-and-change-dataset-to-MindRecord

Merge pull request !254 from leonwanghui/dockerfile

Merge pull request !244 from dinghao/master

Merge pull request !256 from ZhouFeng/output-sha256-file

Signed-off-by: leonwanghui <leon.wanghui@huawei.com>

Merge pull request !252 from panfengfeng/panff/remove_mindrecord_test_cases

Merge pull request !159 from ghzl/pynative-mode-dataset_sink-is-supported-in-eval

Merge pull request !215 from penn/fix_print_bprop_error

Merge pull request !167 from lichen/add_squeeze_distributed_op

Merge pull request !242 from leonwanghui/doc-update

Merge pull request !213 from yoonlee666/master

Merge pull request !221 from chentingting/support_distributd_GatherV2_operator

Signed-off-by: leonwanghui <leon.wanghui@huawei.com>

Merge pull request !228 from liyong126/mindrecord_subsetrandom_sampler

Merge pull request !150 from leonwanghui/dockerfile

Merge pull request !218 from caifubi/dev-rm-py36-in-package

Merge pull request !219 from ZhangQinghua/master