15 May 2012 19:04
Re: Performance of different IPC methods
Dianne Hackborn <hackbod <at> android.com>
2012-05-15 17:04:17 GMT
2012-05-15 17:04:17 GMT
The only IPC mechanism you really listed is Binder. Messenger and broadcasts are higher-level concept built on top of internal Binder interfaces. So those two will always be less efficient than a direct binder interface, but that is irrelevant because the reason you would use them is for the different semantics or conveniences they provide.
On Tue, May 15, 2012 at 7:00 AM, Mika <mika.ristimaki <at> gmail.com> wrote:
Hi all,
In my app the process number 1 generates around 1KB of data every
couple of seconds and passes this to process number 2. To my
understanding there are three ways to pass data between processes:
publishing IPC interface using Binder, using Messeger or using
Broadcasts. I would like to get some feedback what would be the best
way
to pass the data between the processes? Any ideas how android handles
these different scenarios? Also would it be more effective to cache
the data in process 1 for a while and then send the data in longer
intervals and bigger chunks to process 2?
Any insight to this is really valuable.
I know that this all could be done in one process also, but because
of
the use case and some external requirements unfortunately that is not
really option in my case...
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Dianne Hackborn
Android framework engineer
hackbod <at> android.com
Note: please don't send private questions to me, as I don't have time to provide private support, and so won't reply to such e-mails. All such questions should be posted on public forums, where I and others can see and answer them.
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