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{ | |
"cells": [ | |
{ | |
"cell_type": "code", | |
"execution_count": 6, | |
"metadata": { | |
"scrolled": false | |
}, | |
"outputs": [ | |
{ | |
"name": "stdout", | |
"output_type": "stream", | |
"text": [ | |
"Inside 'MultiHeadAttention' class...\n", | |
"\n", | |
"The shape of 'q' is (1, 9, 512)\n", | |
"The shape of 'k' is (1, 9, 512)\n", | |
"The shape of 'v' is (1, 9, 512)\n", | |
"\n", | |
"After passing 'q', 'k', 'v' through densely connected layers....\n", | |
"The shape of 'q' is (1, 9, 512)\n", | |
"The shape of 'k' is (1, 9, 512)\n", | |
"The shape of 'v' is (1, 9, 512)\n", | |
"\n", | |
"After splitting the heads....\n", | |
"The shape of 'q' is (1, 8, 9, 64)\n", | |
"The shape of 'k' is (1, 8, 9, 64)\n", | |
"The shape of 'v' is (1, 8, 9, 64)\n", | |
"\n", | |
"The shape of 'attention_weights' is (1, 8, 9, 9)\n", | |
"The shape of 'scaled_attention' is (1, 8, 9, 64)\n", | |
"\n", | |
"After transposing....\n", | |
"The shape of 'scaled_attention' is (1, 9, 8, 64)\n", | |
"\n", | |
"The shape of 'concat_attention' is (1, 9, 512)\n", | |
"\n", | |
"The shape of 'output' is (1, 9, 512)\n" | |
] | |
} | |
], | |
"source": [ | |
"temp_mha = MultiHeadAttention(d_model=512, num_heads=8)\n", | |
"sample_sentence = tf.random.uniform((1, 9, 512)) # (batch_size, encoder_sequence, d_model)\n", | |
"out, attn = temp_mha(v=sample_sentence, k=sample_sentence, q=sample_sentence, mask=None)" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 7, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/plain": [ | |
"(TensorShape([1, 9, 512]), TensorShape([1, 8, 9, 9]))" | |
] | |
}, | |
"execution_count": 7, | |
"metadata": {}, | |
"output_type": "execute_result" | |
} | |
], | |
"source": [ | |
"out.shape, attn.shape" | |
] | |
} | |
], | |
"metadata": { | |
"kernelspec": { | |
"display_name": "Python 3", | |
"language": "python", | |
"name": "python3" | |
}, | |
"language_info": { | |
"codemirror_mode": { | |
"name": "ipython", | |
"version": 3 | |
}, | |
"file_extension": ".py", | |
"mimetype": "text/x-python", | |
"name": "python", | |
"nbconvert_exporter": "python", | |
"pygments_lexer": "ipython3", | |
"version": "3.7.9" | |
} | |
}, | |
"nbformat": 4, | |
"nbformat_minor": 4 | |
} |
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