Problem Detail: Which theoretical parallel model is closest to CUDA/OpenCL programming model? For example, it fits at some degree to the generic Parallel Random Access Machine (PRAM) model. However, that is too generic, since it makes abstraction of various memory access latencies and synchronization issues. My question is which is the theoretical model that CUDA architecture fits closest (having in mind the hierarchical parallelism of threads and blocks of threads that cooperate)?
Asked By : isti_spl
Answered By : Massimo Cafaro
To the best of my knowledge, it may be the Queuing Shared Memory (QSM) model, even though hierarchical parallelism of threads is not taken into account. However, accesses to local memory and global memory (different bandwidth), and bulk synchrony (in which threads can work asynchronously beetween barrier synchronizations) are considered.
Best Answer from StackOverflow
Question Source : http://cs.stackexchange.com/questions/11805 Ask a Question Download Related Notes/Documents
