3 ms·
https://parallel.princeton.edu/papers/micro19-gao.pdf https://parallel.princeton.edu/papers/micro19-gao.pdf The amount of time wasted zeroing out memory pages
by DmitryOlshansky 7y ago
https://parallel.princeton.edu/papers/micro19-gao.pdf https://parallel.princeton.edu/papers/micro19-gao.pdf
The amount of time wasted zeroing out memory pages in a typical OS is quite significant, also take into account that such an operation will trash perfectly good cache space for no good reason.