Function move_weights

Megatron-LM/utils.py:395–410

Loads weights from `oai` to `our` via in place copy. `oai` is a huggingface gpt2model, while `our` is one of our models. dst2src=True loads parameters from our models into huggingface's. ^dst2src=True is still untested

(our, oai, dst2src=False)

    load_attention(our.attention, oai.attn, dst2src)

def move_weights(our, oai, dst2src=False):
    """
    Loads weights from `oai` to `our` via in place copy.
    `oai` is a huggingface gpt2model, while `our` is one of our models.
    dst2src=True loads parameters from our models into huggingface's.
    ^dst2src=True is still untested
    """
#    while isinstance(our, (torchDDP, model.distributed.DistributedDataParallel, FP16_Module)):
#        our=our.module
    transformer_model = oai.transformer
    load_weights(transformer_model.ln_f, our.transformer.final_layernorm, dst2src)
    load_weights(transformer_model.wte, our.word_embeddings, dst2src)
    load_weights(transformer_model.wpe, our.position_embeddings, dst2src)

    for our_layer, oai_layer in zip(our.transformer.layers, oai.transformer.h):
        load_transformer_layer(our_layer, oai_layer, dst2src)