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Accessing caches on AMD GPUs

Question asked by gautam.himanshu on Apr 9, 2012
Latest reply on Apr 9, 2012 by gautam.himanshu

From Programming Guide, it is evident AMD GPUs have L1 cache and L2 Cache. I have a few question regarding them:


1. Are both these caches read only? So any writes have to directly written in global memory?


2. As i know, L1 cache is available for every read from GPU's global memory, but L2 cache is only available when images are being used. Is it true?