I was reading about the pipeline optimizations recently. I wanted to ask if I understand correctly how a processor handles pipelining.
Languages
Languages
Languages
Understanding the impact of lfence on a loop with two long dependency chains, for increasing lengths
I was playing with the code in this answer, slightly modifying it:Without the lfence I the results I get are consistent with the static analysis in that answer.
Languages
What does “subsequent read” mean in the context of volatile variables?
Java documentation says that:A write to a volatile field happens-before every subsequent read of that same field.
