Merge pull request !649 from guozhijian/fix_mindrecord_docs

Merge pull request !643 from lichen/support_reshape_parameter

Signed-off-by: candanzg <zhangshucheng@huawei.com>

Merge pull request !653 from gziyan/add_lars_example

Merge pull request !628 from zhangbuxue/fix_example_for_TruncatedNormal

Merge pull request !586 from lirongzhen1/allreduce_fusion

Merge pull request !642 from Xiaoda/delete-simplify-cal-attribute-in-the-interface

Merge pull request !617 from lianliguang/fix-bug-of-raise-precision

Merge pull request !622 from VectorSL/update-conv-for-amp

Merge pull request !601 from xulei/filter_master

Merge pull request !629 from caojian05/mindspore_master_bugfix

Merge pull request !264 from xychow/remove-unnecessary-cache-and-add-cache

Merge pull request !618 from caifubi/clean-runtime-codex

Merge pull request !607 from fary86/optimize_flow_of_exporting_onnx_model

Merge pull request !621 from liyong126/mindrecord_ut

Merge pull request !627 from fary86/fix_glog_default_path_is_tmp

Merge pull request !631 from AdelShafiei/uniform_augment_ut

Merge pull request !630 from alashkari/ua-ops

Merge pull request !557 from caojian05/mindspore_master_dev

Merge pull request !616 from caojian05/mindspore_master_bugfix

Merge pull request !625 from JoyLvliang/fix-check-nullptr-by-calling-function

Merge pull request !554 from huanghui/fix_derelu_fusion_pass

Merge pull request !626 from limingqi107/master

Merge pull request !620 from Xiaoda/fix-codex-bot-warnings

Merge pull request !599 from dinghao/master

Merge pull request !492 from YuJianfeng/allgather

Merge pull request !619 from JoyLvliang/pynative-clean-reviewbot-warning

Merge pull request !615 from Simson/push-to-opensource

Merge pull request !556 from Chong/partition

Merge pull request !611 from JichenZhao/errormsg

Merge pull request !612 from huanghui/fix-confusion-softmax-grad-rule-pass