Merge pull request !4198 from thlinh/dev_Aug08_eliminate_more_redundant_Max

Merge pull request !4482 from yao_yf/add_field_in_strategy_ckpt

Merge pull request !2948 from amongo/FixControlFlow

add join for ref

adjust env eliminate to eliminate all env ops

add partial app cache

resolve while endless

fix env eliminate

support for "for while" cases

fix join shape error

Merge pull request !4396 from Kang/opt

Merge pull request !4188 from riemann_penn/fix_switch_layer_sigle_prim_cell

Merge pull request !4248 from Giancarlo/pm_update_sparsetensor

Merge pull request !4340 from liubuyu/master

Code review

Merge pull request !4185 from xychow/move-core-ops

Merge pull request !4160 from vlne-v1/remove-ref-origin

Merge pull request !4054 from Chong/wd

Merge pull request !4068 from yangzhenzhang/add-concat-op

Merge pull request !4151 from ZPaC/master-fix-ps-training-precision-error

Merge pull request !3696 from Giancarlo/update_adjust_allreduce

Merge pull request !4019 from yao_yf/add_layout_in_stra_ckpt

Merge pull request !3555 from fary86/support_dynamic_min_max_shape

Merge pull request !3980 from Chong/wd

Merge pull request !3789 from riemann_penn/eager_mode_sparse

Merge pull request !3950 from ZPaC/ci-add-ps-cases

Merge pull request !3966 from lichen/add_dropout_distributed_op

Merge pull request !3720 from thlinh/dev_July29_remove_redundant_minmax