Still true. Cuda warps work by team of 32 threads and if there is a branch they have to take both and then select the result. It's fine for loop termination ``w

Still true. Cuda warps work by team of 32 threads and if there is a branch they have to take both and then select the result. It's fine for loop termination ``while (i < 1000)`` but if there is actual work it's often significantly better to switch to branchless code.