PyTorch PyTorch 2 Export Post Training Quantization

Properties
authors	Jerry Zhang
year	2024
url	https://pytorch.org/tutorials/prototype/pt2e_quant_ptq.html

Uses prepare_pt2e and convert_pt2e.

float_model(Python)                          Example Input
    \                                              /
     \                                            /
—-------------------------------------------------------
|                        export                        |
—-------------------------------------------------------
                            |
                    FX Graph in ATen     Backend Specific Quantizer
                            |                       /
—--------------------------------------------------------
|                     prepare_pt2e                      |
—--------------------------------------------------------
                            |
                     Calibrate/Train
                            |
—--------------------------------------------------------
|                    convert_pt2e                       |
—--------------------------------------------------------
                            |
                    Quantized Model
                            |
—--------------------------------------------------------
|                       Lowering                        |
—--------------------------------------------------------
                            |
        Executorch, Inductor or <Other Backends>