4 ms·
From the port usage reported at https://uops.info/html-instr/CRC32_R64_R64.html https://uops.info/html-instr/CRC32_R64_R64.html, we can conclude (B) for the Int
by MrFuchs 4y ago
From the port usage reported at https://uops.info/html-instr/CRC32_R64_R64.html https://uops.info/html-instr/CRC32_R64_R64.html, we can conclude (B) for the Intel microarchitectures.
For AMD it's not entirely obvious, but I agree (B) appears more likely.