API

  • __syncthreads(): A thread’s execution can only proceed past a __syncthreads() after all threads in its block have executed the __syncthreads()
  • __syncwarp() is an intrinsic function that provides a warp-level synchronization point within a warp. A warp is a group of threads in CUDA that execute instructions in lockstep.

Tool

cmd

  • nvidia-smi

references