Merge pull request !1859 from luoyang/pylint

Merge pull request !1872 from dengwentao/fix_cpu_op

Merge pull request !1876 from yanghaitao/yht_fix_sampler

Merge pull request !1863 from zhaozhenlong/op/broadcast-to-d-vm

Merge pull request !1794 from dengwentao/cpu_op

Merge pull request !1845 from lianliguang/master

Merge pull request !1861 from zhouneng/fix_applycenterrmsprop_params_map_bug

Merge pull request !1864 from chenzhongming/master

Merge pull request !1787 from chujinjin/optimize_transdata_for_pynative

Merge pull request !1826 from wangnan39/fix_lr_check_bug_in_adamweightdecay_dynamic_lr

Merge pull request !1846 from Margaret_wangrui/reuse-parameter-in-new-ConstructKernelGraph

Merge pull request !1860 from fary86/fix_codex_06.05

Merge pull request !1853 from amongo/FixInitializer

Merge pull request !1774 from liyong126/mindrecord_padded_sample

Merge pull request !1821 from yoonlee666/pretrain-eva

Merge pull request !1615 from amongo/GetBoolValueFromConstantTensor

Merge pull request !1838 from YuJianfeng/master

Merge pull request !1849 from yanghaitao/yht_fix_tf_noshuffle

Merge pull request !1852 from wukesong/modify_alexnet_sink_mode

Merge pull request !1767 from huanghui/LayerNormGrad-split-pass

Merge pull request !1850 from wukesong/modify_readme

Merge pull request !1807 from ZiruiWu/ngram_dev

Merge pull request !1808 from Jamie/numsamples

Merge pull request !1841 from caifubi/auto-parallel-save-ckpt-bug

* add infer_value for common math ops
* convert constant bool tensor to bool value

* do not infer value when encounter 0 as division

for while condition, do not unrool if condition is a tensor

Merge pull request !1851 from YuJianfeng/bn_cast