Re:Windows Memory Mapped File IO
by vlovich123 on Sunday November 17, 2024 @01:18PM
(#42165799)
You’re replying to a statement I wasn’t making and missing what I am saying.
Linux just takes that as a hint to unmap immediately and this results in a cross tlb shoot down. Cross tlb shoot downs are crazy expensive. Windows might have better support for doing it lazily and not paying the cost.
Linux just takes that as a hint to unmap immediately and this results in a cross tlb shoot down. Cross tlb shoot downs are crazy expensive. Windows might have better support for doing it lazily and not paying the cost.
https://news.ycombinator.com/item?id=23216590