optimum

2b4cdfc6 - Adding support for Facebook's OPT models (#852)

Adding support for Facebook's OPT models (#852) * Added Facebook's OPT models support * Added OPT to list of supported models * Fix onnx config name in tasks * fix --------- Co-authored-by: Félix Marty <9808326+fxmarty@users.noreply.github.com>