diff options
| author | Thomas Schwinge <thomas@schwinge.name> | 2010-11-25 11:55:21 +0100 |
|---|---|---|
| committer | Thomas Schwinge <thomas@schwinge.name> | 2010-11-25 11:55:21 +0100 |
| commit | 1e67a761cbfa94a69cec2f5709d23d7983cd0fc1 (patch) | |
| tree | 0ae6ccf8bc14c0d171cff97c94de6a28c8b417d0 /open_issues/multiprocessing.mdwn | |
| parent | 31a442c4b59c41eb6aa15b6a66af93955b302c62 (diff) | |
| download | web-1e67a761cbfa94a69cec2f5709d23d7983cd0fc1.tar.gz web-1e67a761cbfa94a69cec2f5709d23d7983cd0fc1.tar.bz2 web-1e67a761cbfa94a69cec2f5709d23d7983cd0fc1.zip | |
Talk about advantages, challenges, how many developers, why so few developers.
Diffstat (limited to 'open_issues/multiprocessing.mdwn')
| -rw-r--r-- | open_issues/multiprocessing.mdwn | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/open_issues/multiprocessing.mdwn b/open_issues/multiprocessing.mdwn index 7b4f2611..224c0826 100644 --- a/open_issues/multiprocessing.mdwn +++ b/open_issues/multiprocessing.mdwn @@ -11,7 +11,7 @@ License|/fdl]]."]]"""]] [[!tag open_issue_hurd]] We would expect that fine-grained, compartmentalized systems, that is, -microkernel-based multi-server systems in particular, would be ideal condidates +microkernel-based multi-server systems in particular, would be ideal candidates for applying multiprocessing. That is, however, only true from a first and inexperienced point of view: there are many difficulties. @@ -19,14 +19,14 @@ inexperienced point of view: there are many difficulties. IRC, #hurd, August / September 2010 <marcusb> silver_hook: because multi-server systems depend on inter-process - communication, and inter-process communication is many times more expensive - across cpus - <marcusb> silver_hook: so you either force interrelated work on the same cpu, - or suffer heavy penalties. and in a typical fine-grained object system, all - objects are interconnected! - <marcusb> silver_hook: resources in today's systems, even in a single node with - one cpu, but more so in a network, are very non-uniform. scheduling these - resources efficiently is a huge problem. restricting the resource + communication, and inter-process communication is many times more + expensive across cpus + <marcusb> silver_hook: so you either force interrelated work on the same + cpu, or suffer heavy penalties. and in a typical fine-grained object + system, all objects are interconnected! + <marcusb> silver_hook: resources in today's systems, even in a single node + with one cpu, but more so in a network, are very non-uniform. scheduling + these resources efficiently is a huge problem. restricting the resource distribution policies in the way microkernel systems tend to do is posing serious research challenges |