Merge pull request !7458 from VectorSL/nhwc

Merge pull request !7704 from lixiachen/cache_c_api

Merge pull request !7739 from 徐安越/master

Merge pull request !7742 from xutianchun/ptf

Merge pull request !7747 from xiaotianci/fix_config

Merge pull request !7746 from zhaozhenlong/lite/issue/resize_bilinear_fix_multi_thread

Merge pull request !7741 from chenzhongming/zomi_master

Merge pull request !7738 from wangzhe/dpp_int8

Merge pull request !7743 from sunsuodong/add_swish_kernel

Merge pull request !7711 from liuwenhao/master

Merge pull request !7670 from linqingke/gpu_ops

Merge pull request !7737 from liubuyu/bug_fix

Merge pull request !7599 from linqingke/ncf

Merge pull request !7699 from luopengting/optimizer_auto_lineage

Merge pull request !7239 from hewei/fix_codedex_1013

Merge pull request !7661 from changzherui/add_ckpt_example

Merge pull request !7733 from XianglongZeng/myms_code

Merge pull request !7683 from zyli2020/bug_fix

Merge pull request !7723 from lihongkang/v2_master

Merge pull request !7665 from lyvette/windows

Merge pull request !7710 from h.farahat/getBatchRepeat

Merge pull request !7638 from yihuaijie/master

Merge pull request !7729 from luoyang/pylint

Merge pull request !7692 from yingjiangyong/yjy

Merge pull request !7730 from luoyang/c-api-pyfunc

Merge pull request !7713 from kisnwang/fix-fused-sparse-ftrl-error

Merge pull request !7720 from chenzupeng/master-lite

Merge pull request !7656 from lixiaohui33/feature_explain_core

Merge pull request !7728 from pengyongrong/stack

Merge pull request !7688 from zhanghaibo/master

This commit provides APIs for user to use the widely used attribution methods to explain DL models and the evaluation methods to quantify the explanations. With combination of MindInsight, the user can have a friendly visualization on their models.

Merge pull request !7691 from yanghaoran/master

Merge pull request !7725 from zhanyuan/dev