* fix the order of sum

* add doc

* check whether need to copy

* follow comments

* fix the result of unit test

* fix resnext

* compare the result of PE and Exe

* compare the result of reduce and allreduce

version it is staying on

Change patch version to str

Replace {} to + in cmake regex match

Change the PADDLE_VERSION in develop branch to latest

* move to platform

* "move init from framework to platform"

* "remove used init"

* "fix ci"

* "fix ci"

* "fix generic"

* "fix ci"

* "fix ci"

* "fix ci"

* "disable fragile test"

* fix mac build

* add notes

* fix_mac_build

* update