C Runtime Overhead

What do you do when libc is your bottleneck? If the total runtime of your process is under 10ms, most of this time (depending on your hardware) is spent waiting for the linker and C runtime to set things up. If you compare this to the Latency Numbers Every Programmer Should Know, it falls right above "disk seek" and "20x datacenter roundtrip". Stripe launched their third CTF in early 2014. While t

[mapk0y]

超短命なプロセスの場合に、Dynamic Link によって libc や ld.so.cache あたりなどを読み込むこと自体がオーバーヘッドになるという話