Use vector instruction (LDG.128) to improve qkv transpose. It
provides 1.4X speedup at same GPU base frequency.
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remove useless property

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* fix concat shape error
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* add retry for prefetch

* Revert "Fix/sync barrier (#25016)"

This reverts commit be6a315f.

* reopen dist UT, test=develop

* remove fl UT, test=develop

* fix bn & in in dy, test=develop

* update instance_norm,test=develop

* fix bugs,test=develop

* add more case in unittest,test=develop

* fix,test=develop

* fix,test=develop

* add device_worker for pipeline, test=develop

* cat bad alloc exception; test=develop

* add unitest; test=develop

* move bad alloc catch to the first place; test=develop

* polish error message; test=develop

* polish error message; test=develop

* add mutex header; test=develop

* fix multhead matmul's instable
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* fix multihead matmul bug
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* fix converage problem
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* refine PADDLE_ENFORCE
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* add paddle.fleet.DistributedStrategy for 2.0

* modify pipeline optimizer, test=develop

* add mish op. test=develop

* fix PADDLE_ENFORCE and refine the description
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* Add `matrix_nms_op`

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* Make ci happy

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* Exit early when no detection

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* Fix license year

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* Output index as well

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* Match nms2 lod behavior and add `return_index` flag

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* Make CI happy

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* Fix wording

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* refactor dynamic dso search func, test=develop

* polish details, test=develop

* polish detail based review comments, test=develop

* revert string type change, test=develop

* add encrypt api for inference lib

* test=develop, fix_embedding

* Modify tmp var name prefix in dygraph test=develop

* refine comment test=develop

test=develop

test=develop