Post #12536 76 Aug 12, 2025, 22:29 UTC Going faster than memcpyhttps://squadrick.dev/journal/going-faster-than-memcpyhttps://redd.it/1mnptmo@programmingreddit Squadrick Going faster than memcpy While profiling Shadesmar a couple of weeks ago, I noticed that for large binary unserialized messages (>512kB) most of the execution time is spent doing copying the message (using memcpy) between process memory to shared memory and back.