firstname.lastname@example.org (Linus Torvalds) wrote on 10.05.00 in <Pine.LNX.email@example.com>:
> Note that the mmap002 test is avery bad performance test.
> Because it's a classic "walk a large array in order" test, which means
> that the worst possible order to page things out in is LRU.
> So toreally speed up mmap002, the best approach is to try to be as non-LRU
> as possible, which is obviously the wrong thing to do in real life. So in
> that sense optimizing mmap002 is a _bad_ thing.
Well, not quite. The *best* thing would be to recognize the behaviour, and
adapt to it.
Of course, it's also the hardest.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to firstname.lastname@example.org
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Mon May 15 2000 - 21:00:17 EST