Testing on a single-core PC with hyperthreading <p>If a multithreaded program runs safe on a single-core CPU with hyperthreading, will it also run safe on a dual-core CPU with hyperthreading? Concerning thread-safety etc.</p> <p>EDIT</p> <p>Ok, I try to be more specific. I mean the bad source code lines, where I will have forgotten or failed to make sure, that they won't be an (concurrency) issue.</p> <p>So, maybe the 1-core htt "lies" by preventing dead-locks, crashes, cpu spikes or anything that my code causes on a 2-core machine. I'm unsure, how exactly 2 (logical) processors of a htt PC are different from 2 processors of a dual-core PC, how transparent htt is. If there's any issue, I'll probably buy a second PC just for that, that's why I asked.</p>