Improved performance by caching status of GS path check, if ok
Improved performance by caching status of GS path check, if ok

qqyoungqq/export_fig,hyiltiz/export_fig,dcherian/export_fig,altmany/export_fig,dcherian/export_fig,hyiltiz/export_fig,JacobD10/export_fig,JacobD10/export_fig,altmany/export_fig