Hi Yuxin,

Below our our benchmark results. Figures are in cycles and do not include the 
cost of a the system call.

Intra-AS Call   756
Intra-AS ReplyWait      742
Inter-AS Call   980
Inter-AS ReplyWait      987
Inter-AS Call (Low to High)     1050
Inter-AS ReplyWait (High to Low)        1540
Inter-AS Call (High to Low)     1463
Inter-AS ReplyWait (Low to High)        1043
Inter-AS Send   1043
Inter-AS Call(10)       1008
Inter-AS ReplyWait(10)  1015

  - Alex


________________________________________
From: Devel [[email protected]] on behalf of Yuxin Ren 
[[email protected]]
Sent: Saturday, 18 October 2014 08:32
To: [email protected]
Subject: [seL4] IPC performance for slowpath

Hi All,

I find there have slow and fast path for IPC.
I want to know the performance difference between those two.
More accurate, on x86, how many cycles for slow path round-trip ipc between two 
address space?(on single core)
And how many for fast path?

Thank you very much.

Yuxin

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