How to use "Asynchronous Simulation"?

my scene's FPS is so low,so i want to use "Asynchronous Simulation".
but sofa stop work，when i start "Asynchronous Simulation"it.

and,i find that "Update()"->"UpdateImplASync()"->"m_impl.asyncStep()"->"sofaPhysicsAPI_asyncStep(m_native)"
but,"sofaPhysicsAPI_asyncStep" no running results at all.
how can i start sofa async simulation ?