Stephan Aßmus eb2bd0e8e3 axeld:
* Implemented a way to do asynchronous pre-fetching when mapping files.
* There are slight code duplications in some places that could benefit
  from cleaning up, but nothing too bad.
* Implementing smarter ways to trigger prefetching and more analysis of
  the situations in the kernel would be nice. Currently up to 10 MB
  of every mapped file are pre-fetched without further analysis.
* The speed improvement is nice for certain operations. On our test
  system (real hardware), Firefox took 9 seconds from being launched
  to display a window. Now it takes 5 seconds. Both measurements
  right after booting. The same system took 35 seconds from launching
  Haiku in the GRUB menu to displaying the Tracker desktop background
  image. Now it takes 27 seconds.
* We didn't have the chance to check out the effects of this on the
  CD boot, but potentially, they could speed it up a lot.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@30465 a95241bf-73f2-0310-859d-f6bbb57e9c96
2009-04-27 18:16:58 +00:00
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2008-10-15 09:29:06 +00:00
2009-04-27 18:16:58 +00:00
2008-10-13 19:37:51 +00:00
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