Hide out params in elementwise layers and scale layer

* Yuyang fix global gradient clip

* Share LoDs

* Revert unnecessary changes

* Fix bug in sequence_slice_op

* flags

* "follow comment"

Fix pip install in mac

Fix kwargs in clip and logical API

test=develop

* show detail error log on ci

* test

* fix memopt and dist

* update apispec

* will fix different batch issue test=develop

- add naive executor
- fix concurrency performance issue

Fixed-point quantize transpiler.

test=develop

test=develop

Add ci job for Mac

clean v2 usage

* add GraphNum

test=develop

* add graph number check in parallelExecutor

test=develop

* fix transformer_model bug

test=develop

* fix graph num

test=develop

PassBuilder

test=develop

Make Mac support Python3

Hide kwargs

Fix mixed vector

* Add CUDA implementation for generate_proposals_op.
* Clean code.
* Update code.

fix graph num

test=develop

test=develop

test=develop

change the install prefix for capi

Revert "Some trivial optimization (#13530)"