* distribute best cfg

* adapt to multi args transmission

* update metric extracting

* fix bugs of prune and reading log

* fix time default value

* remove time record

* adjust the order of searching dim

* fix prune bugs

* fix adding cfg bug

* fix multi nodes bug

* reset status

* remove alarm and set logdir

* deepcopy ctx

* change alarm

* fix restart bug

* add exit

* best no need alarm

* add warmup time

* add auto tuner

* fix prune

* fix sharding prune and mbs candidates

* fix cfg

* fix launch

* fix launch

* add unittest

* fix code style