PTX - what is a CTA?
cuda, gpu, nvidia, ptx
Solution
Yes, the PTX cooperative thread array is conceptually and functionally the same as a block in CUDA or a workgroup in OpenCL.
Problem
I'm studying PTX and I don't understand how a CTA (compute thread array) is different from a CUDA block. Are they the same thing? It seems to me that for now (I'm just at the beginning of the PTX document) they're just the same