nbody_screen -ftz=true cudaGraphicsMapResources cudaGraphicsUnmapResources cudaGraphicsResourceGetMappedPointer cudaGraphicsRegisterResource cudaGraphicsGLRegisterBuffer cudaGraphicsUnregisterResource whole ./galaxy_20K.bin ./ ../ ../../Common Graphics Interop Data Parallel Algorithms Physically-Based Simulation CUDA GPGPU n-body simulation astrophysics OpenGL ES true nbody.cpp -benchmark -compare -cpu screen GLES 2:Graphics Interop 1:CUDA Advanced Topics 1:Data-Parallel Algorithms 3:Physically-Based Simulation sm35 sm37 sm50 sm52 sm60 sm61 sm70 sm72 sm75 sm80 sm86 arm all exe