[android-developers] Bizarre OpenGL performance on Samsung Galaxy.

HI. I have been writing some OpenGL ES 2.0 code, running on both my
Galaxy S and Asus transformer. The Galaxy exhibits a truly weird
behaviour. When the phone is connected to the PC via USB, or if it is
connceted wirelessly using the nVidia SGXPerfServer I get smooth 32
fps performance. If the phone is disconnected it is extremely jerky
and approximately half this rate. There appears to be no appreciable
garbage collection that might explain the effect. It appears not to be
a configuration issue, as the behaviour switched between good and bad
when the app is running, simply by plugging in and out the USB cable.
The Asus transformer just runs the same irrespective of connection
status. Any ideas? I have searched long and hard on the web. I have
found multiple reports of poor openGL performance on Galaxy, but none
related to connection status.
All help gratefully received.

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