3 ms·
Pretty pointless as said page fault would occur no matter how you access the string. Besides, the page in question would very likely be already present.
by vardump 7y ago
Pretty pointless as said page fault would occur no matter how you access the string. Besides, the page in question would very likely be already present.
- asveikau 7y ago> Pretty pointless as said page fault would occur no matter how you access the string. When did I dispute this? > Besides, the page in question would very likely be already present. Really? How are you so sure? I guess you can just abandon all notion of virtual memory and mmap then. 'Cause it ain't gonna happen.
- vardump 7y ago>> Besides, the page in question would very likely be already present. > Really? How are you so sure? It was in a BASIC interpreter. Most of the time string needle in a haystack search is done, haystack is relatively fresh, almost certainly on a page that is present. Might not be in CPU dcache, but that's another matter.