4 ms·
Modern CPUs, like Zen2, have vastly more f64 multiplier throughput than 64 bit integer multiplier throughput. This goes so far, that Intel added an AVX512 inst
by namibj 6y ago
Modern CPUs, like Zen2, have vastly more f64 multiplier throughput than 64 bit integer multiplier throughput.
This goes so far, that Intel added an AVX512 instruction to expose this 52/53 bit multiplier for integer operations, to accelerate bigint cryptography calculations like RSA and ECC.