* fix benchmark and communicator config

* fix bugs of the_one_ps

* multi program and fix bug in optimizer

* multi program in the_one_ps

* public commcontext

* ps optimizer multi programs

* cvm & datanorm backend

* fix dim

* fix unittest

* fix

* the one ps merge

* remove comm

* add DownpourLiteWorker

* all

* fix

* fix

* device worker downpour lite

* fix

* fix bug in global shuffle

* save inference model

* fix & add log

* fix

* remove log

* fix

* fix save summary

* fix

* fix pscore

* fix

* fix

* fix

* fix

* fix

* remove logs

* fix

* fix

* fix

* fix

* fix

* add some comments

* fix
Co-authored-by: Nesythan <esythan@126.com>

* fix sycn training error

Change-Id: Ie2feebcf0b5b2984fd59cfcdde0c817840e203d2

Change-Id: I6210ce9c60bed48f3323c47b16500302b66cedf2

add truncated gaussian random

* use iwyu clean include second time, test=develop

* add tensor table

* add ps table

Change-Id: I468a04bd071d21ff52654926fcf4d5f3da19e178