GitLab

Signed-off-by: wenjh <wenjh@sugon.com>

Mutex group gemm
Signed-off-by: wenjh <wenjh@sugon.com>

do while group gemm
Signed-off-by: wenjh <wenjh@sugon.com>

Remove mutex
Signed-off-by: wenjh <wenjh@sugon.com>