When using VTK as backend to rende, how to use GPU to solve the problem of low frame rate when use CPU. here’s low rate, i mean i can only got 2 or 3. my CPU is inter i7-9700
You can throttle your simulation by setting the update frequency in a SceneManager. Similarly you can throttle the Viewer. You can also just control the advancement of an imstk Scene by directly calling SceneManager::update or Scene::advance in your own loops.
Its also worth questioning if the lack of CPU is really causing the low framerate or if the GPU is simply too slow.