> I adjusted the FAILSAFE_EVERY_PAGES comments, which now point out that > FAILSAFE_EVERY_PAGES is a power-of-two. The implication is that the > compiler is all but guaranteed to be able to reduce the modulo > division into a shift in the lazy_scan_heap loop, at the point of the > failsafe check. I doubt that it would really matter if the compiler > had to generate a DIV instruction, but it seems like a good idea to > avoid it on general principle, at least in performance sensitive code.
Thank you! Regards, Sami Imseih Amazon Web Services (AWS)
