3 ms·
Interesting. Were you writing a kernel driver? I've only ever used 'volatile' in embedded code where an ISR is touching a variable outside the scope to prevent
by staycoolboy 6y ago
Interesting. Were you writing a kernel driver? I've only ever used 'volatile' in embedded code where an ISR is touching a variable outside the scope to prevent the compiler from optimizing the code away. What were using 'volatile' for?
- SomeoneFromCA 6y agoNo it was some random debugging of Leet Code style excercise, some useless math computation. I just was throwing every possible change, till one worked. I knew that code had to be fast than it was, because with PGO it was very fast.