Thomas Kunz
Systems and Computer Engineering
11
Experimental Results
nImplemented MP3 player, decoder (set of heavily communicating objects) can execute locally or
remotely
nVarious performance experiments, study impact of
ØAvailable
Bandwidth (19.2 kbps – 2 Mbps)
ØRelative CPU
speed (Mobile CPU: Proxy CPU)
§1:4 for laptop as client device
§1:116 for Windows CE palmtop as client device
nResults (more
details in paper):
Øfor high
bandwidth and slow client, offloading decoder to proxy can speed up
application performance by a factor of 20 and reduce power consumption
by 95%
ØFor faster client devices, independent of bandwidth, no
benefit (actually worse
performance) when decoding sound samples in access network