Chroma CUDA

CUDA 101

• http://on-demand.gputechconf.com/gtc/2012/presentations/S0027B-GTC2012-Debugging-MEMCHECK.pdf
• Threads are grouped into blocks
• Blocks are grouped into a grid
• A kernel is executed as a grid of blocks of threads
• _syncthreads() enforces synchronization within a block

Chroma Shared Geometry

Constrains how Chroma uses CUDA perhaps ?