def override_config(args):
            """
            vggtrasformer_1 use 14 layers of transformer,
            for testing purpose, it is too expensive. For fast turn-around
            test, reduce the number of layers to 3.
            """
            args.transformer_enc_config = (
                "((1024, 16, 4096, True, 0.15, 0.15, 0.15),) * 3"
            )

            vggtrasformer_1 use 14 layers of transformer,
            for testing purpose, it is too expensive. For fast turn-around
            test, reduce the number of layers to 3.
            
infoxlm/fairseq/tests/speech_recognition/test_vggtransformer.py