Is it actually feasible to do a timing attack using memcpy? I've been testing a bit locally, as in within the same process, without any luck. I have a hard to

Is it actually feasible to do a timing attack using memcpy? I've been testing a bit locally, as in within the same process, without any luck. I have a hard to seeing how this would work, especially when you add network latency. Does anyone have any proof-of-concept code that actually exploits memcpy with a timing attack?