Post #25664 19 Jul 27, 2026, 05:23 UTC Memory-level parallelism: AMD is the kinghttps://lemire.me/blog/2026/07/25/memory-level-parallelism-amd-is-the-king/https://redd.it/1v7jh93@r_cpp Daniel Lemire's blog Memory-level parallelism: AMD is the king When your program asks for memory that is not in cache, the processor has to go to RAM. That trip costs on the order of 100 nanoseconds. On a 3 GHz core, that is about 300 cycles of doing nothing. Memory latency has not improved in ten years. The 2016 Broadwell…