hi @dalseeroh ,

“Since these libraries are architecture-dependent, static quantization must be performed on a machine with the same architecture as your deployment target. If you are using FBGEMM, you must perform the calibration pass on an x86 CPU (usually not a problem); if you are using QNNPACK, calibration needs to happen on an ARM CPU (this is quite a bit harder).”

That quote does not seem to be accurate.  In general, you can use QNNPACK on x86, this is a widely used functionality on Meta where models are calibrated on linux machines with QNNPACK for inference on arm.  I think the issues you are hitting on your machine might be specific to your environment.