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how does L4 implements high ipc performance?
Posted: Mon Oct 13, 2014 9:46 pm
by lemonyii
well i have read some articles of JL, and some manuals, but i dont think i have understand how to implement the high ipc performance that L4 declared.
does anyone know some detail or where is the KEY article?
thanks.
Re: how does L4 implements high ipc performance?
Posted: Tue Oct 14, 2014 1:22 am
by max
Re: how does L4 implements high ipc performance?
Posted: Tue Oct 14, 2014 6:59 am
by Rusky
http://i30www.ira.uka.de/~neider/edu/mk ... astpathIPC
It tends to pass as much data as possible in registers so the kernel mode switching doesn't have to save any state or copy any data, and also combine common patterns into single system calls like reply-and-wait.
Re: how does L4 implements high ipc performance?
Posted: Tue Oct 14, 2014 10:56 pm
by lemonyii
@max: thank you and i think that would be of great useful.
@Rusky: thank you but i am not able to access the given link. that's not strange in ChiNa Mainland.
thx.