* auto_zero_padding -> auto_truncating in cpp

* auto_truncating for python interface

* fix element count

* fix

* fix bug auto_truncating<->dim1_varying_length

* auto_truncating -> truncate

* rm not in if

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* refine and add test case

* support ellipsis type slice

* refine

* refine

* support slice assign ellipsis type

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* register fn to localtensor

* basic implemetation of dataloader

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* add argmax test

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* fix rmsprop ci fail

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* Multi-Client LogicalRun degenerate to PhysicalRun

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* half implement of InputOpExpr

* Half implement of run InputOpExpr

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* refine note in multi-client session

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* Modified the OutputArgModifyFn interface

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* add gather_nd and scatter_nd

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* graph api

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* move generator test into ops folder to accelerate tests

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* refine

* refine

* refine

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* address review

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* add argmax test

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* init nn.image.flip

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* init of op diag

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* fix(Tensor): fix Tensor.grad setter bug

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* add argmax test

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* try to fix export oneflow.python.test ci error

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* Optimize tensor getitem.

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* Add in_top_k function

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* startup: use python, not C extension

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* Throw exception if check failed.

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* Modified the OutputArgModifyFn interface

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* add torch maxpool2d cpu kernel implementation

* refine cpu implementation

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* refine

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* bug fix

* change indice index

* change indice index of grad compute

* add flag: return_indices

* format code

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* add code sample

* add new line

* use oneflow_api.BlobDesc

* add op torch maxpool1d

* add sample codes

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* add atomic add

* bug-fix

* backward bug fix

* update search index

* format code

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* add sample code of maxpool3d

* refine and add test case

* support ellipsis type slice

* refine

* refine

* support slice assign ellipsis type

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* register fn to localtensor

* merge master

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* fix sbp fn

* del notes

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* refin thread num

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* rm bn test for debug

* limit registers num

* remove double dtype

* .

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* add cuda synchronize and error string capture

* move synchronize placement

* debug all kernel compute

* debug

* debug

* debug

* debug

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* debug std infinity

* debug

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* format

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* replace ForeignJobInstance using JobInstance

* LazyJobStreamType

* NNGraphIf

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* GetInputBufferName/GetOutputBufferName

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* feat(add_): support inplace add

* fix(add_): fix push bug

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* multi_client_session, single_client_session

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* fix -1 index not support bug

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* add argmax test

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