The APK's ONNX Runtime is the QNN build, which carries no WebGPU, so a
non-Qualcomm phone had nothing above the CPU provider. The APK now also
carries Microsoft's stock onnxruntime-android 1.29.0 (32 MB) as
libonnxruntime_generic.so, and the app offers it after the QNN build.
The runtime search stops at a perfect fit, so on a Qualcomm device the
QNN build — listed first — is all that is opened, and the generic build
never loads beside it. A Qualcomm SoC is read from ro.soc.manufacturer
or, before Android 12, from Qualcomm's FastRPC library being present:
a Qualcomm device mistaken for another would trade its Hexagon for the
generic rung.
dtourolle
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