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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-05-03 17:25:10 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-05-03 17:25:10 +0200 |
| commit | eb968777328077ca2c4b0818deb011926de729ad (patch) | |
| tree | b713c3470ed32761bf7f7636f1efbfbd1f1682bc | |
| parent | 71041f9c75d8b88ee616e869c6ecf1526ce237ad (diff) | |
mention possibly missing DMA support
| -rw-r--r-- | faq/slow.mdwn | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/faq/slow.mdwn b/faq/slow.mdwn index be01e882..80c4ed00 100644 --- a/faq/slow.mdwn +++ b/faq/slow.mdwn @@ -22,7 +22,8 @@ hold. The main reason for slowness is *not* because of the overhead of RPCs. It's mostly simply because less care has been done on implementing what makes Linux -fast: intelligent read-ahead, carefully-tuned page cache, etc. +fast: intelligent read-ahead, carefully-tuned page cache, etc. or even just +missing DMA support for your disk controller. There is no ground reason this can not be achieved on GNU/Hurd, it has just not been a priority until now (first make it work, then make it work fast). We are |