3 ms·
If the cache is not flushed, it will still be in memory between runs whether you mmap it or not.
by PaulDavisThe1st 3y ago
If the cache is not flushed, it will still be in memory between runs whether you mmap it or not.
- marginalia_nu 3y agoThat depends a lot on the OS. I would not count on a 13 GB file being cached in RAM after having been read through once.