* add usage commit
* update envs and xpu
* add requirements
* fix quantization value
* add unit test
* add unit test
* fix unit test
* add unit test
* add unit test
* add unit test
* add unit test
* add unit test
* add unit test
* fix FD_USAGE_STATS_SERVER
* fix
* fix
* add doc
* add doc
* add doc
* add doc
* add doc
* fix file name