Romex Software Forum

I don't know about exact algorithms behind the L1 cache. But if they don't use direct-mapped or mmap as client of LRU/LFU, maybe it increases performance by serving some of cache-hits directly from OS paging system (by mmap) or simpler indexing/search (simply a direct-mapped cache)? I guess it could...

Communication with graphics cards have some overhead like 20-50 microseconds due to synchronization between host environment (i.e. C++, CPU) and device environment (C, GPU) using sync calls in OpenCL/CUDA/etc. This makes at most 20000 operations per second in a single thread. 20000 x 4kB read operat...