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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