Languages Pipeline on Registers calcuation I was reading about the pipeline optimizations recently. I wanted to ask if I understand correctly how a processor handles pipelining. 09月16日 发表评论 Read More
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. 08月25日 发表评论 Read More
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. 06月15日 发表评论 Read More