Sebastian Raschka ffd4035144
Add GPTModelFast (#584)
* Add GPTModelFast

* update
2025-03-27 14:00:25 -05:00

31 lines
843 B
Python

# Copyright (c) Sebastian Raschka under Apache License 2.0 (see LICENSE.txt).
# Source for "Build a Large Language Model From Scratch"
# - https://www.manning.com/books/build-a-large-language-model-from-scratch
# Code: https://github.com/rasbt/LLMs-from-scratch
from llms_from_scratch.ch03 import MultiHeadAttention, PyTorchMultiHeadAttention
import torch
def test_mha():
context_length = 100
d_in = 256
d_out = 16
mha = MultiHeadAttention(d_in, d_out, context_length, dropout=0.0, num_heads=2)
batch = torch.rand(8, 6, d_in)
context_vecs = mha(batch)
context_vecs.shape == torch.Size([8, 6, d_out])
# Test bonus class
mha = PyTorchMultiHeadAttention(d_in, d_out, num_heads=2)
batch = torch.rand(8, 6, d_in)
context_vecs = mha(batch)
context_vecs.shape == torch.Size([8, 6, d_out])