Upload 7 files
Browse files- LICENSE +201 -0
- all_texts.txt +0 -0
- model_weights.pth +3 -0
- poetry_generation.ipynb +736 -0
- requirements.txt +2 -0
- urdu_sp.model +3 -0
- urdu_sp.vocab +0 -0
LICENSE
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all_texts.txt
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model_weights.pth
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version https://git-lfs.github.com/spec/v1
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oid sha256:97172d5f7c44fa2488ade1fa4cc373ad800f7d2a779d732a361b3688a78769b4
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size 243207232
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poetry_generation.ipynb
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1 |
+
{
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"nbformat": 4,
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"nbformat_minor": 0,
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"metadata": {
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"colab": {
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"provenance": [],
|
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"gpuType": "T4"
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"kernelspec": {
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"name": "python3",
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"display_name": "Python 3"
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},
|
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"language_info": {
|
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"name": "python"
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"accelerator": "GPU"
|
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"cells": [
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{
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"cell_type": "code",
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"source": [],
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"metadata": {
|
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"id": "I9Z5guQ6CDt8"
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},
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"execution_count": null,
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"outputs": []
|
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},
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{
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"cell_type": "code",
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"source": [],
|
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"metadata": {
|
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"id": "PGeicEbzCDw9"
|
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},
|
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"execution_count": null,
|
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"outputs": []
|
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+
},
|
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+
{
|
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"cell_type": "code",
|
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"source": [
|
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+
"pip install sentencepiece torch torchvision torchaudio pandas scikit-learn\n"
|
41 |
+
],
|
42 |
+
"metadata": {
|
43 |
+
"colab": {
|
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+
"base_uri": "https://localhost:8080/"
|
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+
},
|
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+
"id": "zQFdKxIICD0H",
|
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"outputId": "5d35d6a1-a876-4c7f-fee8-4f04888f3854"
|
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+
},
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"execution_count": 1,
|
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"outputs": [
|
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+
{
|
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"output_type": "stream",
|
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"name": "stdout",
|
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"text": [
|
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+
"Requirement already satisfied: sentencepiece in /usr/local/lib/python3.11/dist-packages (0.2.0)\n",
|
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"Requirement already satisfied: torch in /usr/local/lib/python3.11/dist-packages (2.5.1+cu124)\n",
|
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"Requirement already satisfied: torchvision in /usr/local/lib/python3.11/dist-packages (0.20.1+cu124)\n",
|
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+
"Requirement already satisfied: torchaudio in /usr/local/lib/python3.11/dist-packages (2.5.1+cu124)\n",
|
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+
"Requirement already satisfied: pandas in /usr/local/lib/python3.11/dist-packages (2.2.2)\n",
|
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+
"Requirement already satisfied: scikit-learn in /usr/local/lib/python3.11/dist-packages (1.6.1)\n",
|
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+
"Requirement already satisfied: filelock in /usr/local/lib/python3.11/dist-packages (from torch) (3.17.0)\n",
|
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+
"Requirement already satisfied: typing-extensions>=4.8.0 in /usr/local/lib/python3.11/dist-packages (from torch) (4.12.2)\n",
|
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+
"Requirement already satisfied: networkx in /usr/local/lib/python3.11/dist-packages (from torch) (3.4.2)\n",
|
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+
"Requirement already satisfied: jinja2 in /usr/local/lib/python3.11/dist-packages (from torch) (3.1.5)\n",
|
65 |
+
"Requirement already satisfied: fsspec in /usr/local/lib/python3.11/dist-packages (from torch) (2024.10.0)\n",
|
66 |
+
"Collecting nvidia-cuda-nvrtc-cu12==12.4.127 (from torch)\n",
|
67 |
+
" Downloading nvidia_cuda_nvrtc_cu12-12.4.127-py3-none-manylinux2014_x86_64.whl.metadata (1.5 kB)\n",
|
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+
"Collecting nvidia-cuda-runtime-cu12==12.4.127 (from torch)\n",
|
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+
" Downloading nvidia_cuda_runtime_cu12-12.4.127-py3-none-manylinux2014_x86_64.whl.metadata (1.5 kB)\n",
|
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+
"Collecting nvidia-cuda-cupti-cu12==12.4.127 (from torch)\n",
|
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+
" Downloading nvidia_cuda_cupti_cu12-12.4.127-py3-none-manylinux2014_x86_64.whl.metadata (1.6 kB)\n",
|
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+
"Collecting nvidia-cudnn-cu12==9.1.0.70 (from torch)\n",
|
73 |
+
" Downloading nvidia_cudnn_cu12-9.1.0.70-py3-none-manylinux2014_x86_64.whl.metadata (1.6 kB)\n",
|
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+
"Collecting nvidia-cublas-cu12==12.4.5.8 (from torch)\n",
|
75 |
+
" Downloading nvidia_cublas_cu12-12.4.5.8-py3-none-manylinux2014_x86_64.whl.metadata (1.5 kB)\n",
|
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+
"Collecting nvidia-cufft-cu12==11.2.1.3 (from torch)\n",
|
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+
" Downloading nvidia_cufft_cu12-11.2.1.3-py3-none-manylinux2014_x86_64.whl.metadata (1.5 kB)\n",
|
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+
"Collecting nvidia-curand-cu12==10.3.5.147 (from torch)\n",
|
79 |
+
" Downloading nvidia_curand_cu12-10.3.5.147-py3-none-manylinux2014_x86_64.whl.metadata (1.5 kB)\n",
|
80 |
+
"Collecting nvidia-cusolver-cu12==11.6.1.9 (from torch)\n",
|
81 |
+
" Downloading nvidia_cusolver_cu12-11.6.1.9-py3-none-manylinux2014_x86_64.whl.metadata (1.6 kB)\n",
|
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+
"Collecting nvidia-cusparse-cu12==12.3.1.170 (from torch)\n",
|
83 |
+
" Downloading nvidia_cusparse_cu12-12.3.1.170-py3-none-manylinux2014_x86_64.whl.metadata (1.6 kB)\n",
|
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+
"Requirement already satisfied: nvidia-nccl-cu12==2.21.5 in /usr/local/lib/python3.11/dist-packages (from torch) (2.21.5)\n",
|
85 |
+
"Requirement already satisfied: nvidia-nvtx-cu12==12.4.127 in /usr/local/lib/python3.11/dist-packages (from torch) (12.4.127)\n",
|
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"Collecting nvidia-nvjitlink-cu12==12.4.127 (from torch)\n",
|
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" Downloading nvidia_nvjitlink_cu12-12.4.127-py3-none-manylinux2014_x86_64.whl.metadata (1.5 kB)\n",
|
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"Requirement already satisfied: triton==3.1.0 in /usr/local/lib/python3.11/dist-packages (from torch) (3.1.0)\n",
|
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"Requirement already satisfied: sympy==1.13.1 in /usr/local/lib/python3.11/dist-packages (from torch) (1.13.1)\n",
|
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"Requirement already satisfied: mpmath<1.4,>=1.1.0 in /usr/local/lib/python3.11/dist-packages (from sympy==1.13.1->torch) (1.3.0)\n",
|
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"Requirement already satisfied: numpy in /usr/local/lib/python3.11/dist-packages (from torchvision) (1.26.4)\n",
|
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"Requirement already satisfied: pillow!=8.3.*,>=5.3.0 in /usr/local/lib/python3.11/dist-packages (from torchvision) (11.1.0)\n",
|
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"Requirement already satisfied: python-dateutil>=2.8.2 in /usr/local/lib/python3.11/dist-packages (from pandas) (2.8.2)\n",
|
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"Requirement already satisfied: pytz>=2020.1 in /usr/local/lib/python3.11/dist-packages (from pandas) (2025.1)\n",
|
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"Requirement already satisfied: tzdata>=2022.7 in /usr/local/lib/python3.11/dist-packages (from pandas) (2025.1)\n",
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"Requirement already satisfied: scipy>=1.6.0 in /usr/local/lib/python3.11/dist-packages (from scikit-learn) (1.13.1)\n",
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"Requirement already satisfied: joblib>=1.2.0 in /usr/local/lib/python3.11/dist-packages (from scikit-learn) (1.4.2)\n",
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"Requirement already satisfied: threadpoolctl>=3.1.0 in /usr/local/lib/python3.11/dist-packages (from scikit-learn) (3.5.0)\n",
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"Requirement already satisfied: six>=1.5 in /usr/local/lib/python3.11/dist-packages (from python-dateutil>=2.8.2->pandas) (1.17.0)\n",
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"Requirement already satisfied: MarkupSafe>=2.0 in /usr/local/lib/python3.11/dist-packages (from jinja2->torch) (3.0.2)\n",
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"Downloading nvidia_cublas_cu12-12.4.5.8-py3-none-manylinux2014_x86_64.whl (363.4 MB)\n",
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"\u001b[?25hDownloading nvidia_cuda_cupti_cu12-12.4.127-py3-none-manylinux2014_x86_64.whl (13.8 MB)\n",
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"\u001b[2K \u001b[90m━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\u001b[0m \u001b[32m13.8/13.8 MB\u001b[0m \u001b[31m110.6 MB/s\u001b[0m eta \u001b[36m0:00:00\u001b[0m\n",
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"\u001b[?25hDownloading nvidia_cuda_nvrtc_cu12-12.4.127-py3-none-manylinux2014_x86_64.whl (24.6 MB)\n",
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"\u001b[2K \u001b[90m━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\u001b[0m \u001b[32m664.8/664.8 MB\u001b[0m \u001b[31m1.3 MB/s\u001b[0m eta \u001b[36m0:00:00\u001b[0m\n",
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"\u001b[?25hDownloading nvidia_cufft_cu12-11.2.1.3-py3-none-manylinux2014_x86_64.whl (211.5 MB)\n",
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"\u001b[2K \u001b[90m━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\u001b[0m \u001b[32m211.5/211.5 MB\u001b[0m \u001b[31m5.4 MB/s\u001b[0m eta \u001b[36m0:00:00\u001b[0m\n",
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"\u001b[2K \u001b[90m━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\u001b[0m \u001b[32m56.3/56.3 MB\u001b[0m \u001b[31m12.8 MB/s\u001b[0m eta \u001b[36m0:00:00\u001b[0m\n",
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"\u001b[2K \u001b[90m━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\u001b[0m \u001b[32m127.9/127.9 MB\u001b[0m \u001b[31m6.7 MB/s\u001b[0m eta \u001b[36m0:00:00\u001b[0m\n",
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"\u001b[?25hDownloading nvidia_nvjitlink_cu12-12.4.127-py3-none-manylinux2014_x86_64.whl (21.1 MB)\n",
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"\u001b[2K \u001b[90m━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\u001b[0m \u001b[32m21.1/21.1 MB\u001b[0m \u001b[31m85.7 MB/s\u001b[0m eta \u001b[36m0:00:00\u001b[0m\n",
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"\u001b[?25hInstalling collected packages: nvidia-nvjitlink-cu12, nvidia-curand-cu12, nvidia-cufft-cu12, nvidia-cuda-runtime-cu12, nvidia-cuda-nvrtc-cu12, nvidia-cuda-cupti-cu12, nvidia-cublas-cu12, nvidia-cusparse-cu12, nvidia-cudnn-cu12, nvidia-cusolver-cu12\n",
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" Attempting uninstall: nvidia-nvjitlink-cu12\n",
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" Found existing installation: nvidia-nvjitlink-cu12 12.5.82\n",
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" Uninstalling nvidia-nvjitlink-cu12-12.5.82:\n",
|
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" Successfully uninstalled nvidia-nvjitlink-cu12-12.5.82\n",
|
126 |
+
" Attempting uninstall: nvidia-curand-cu12\n",
|
127 |
+
" Found existing installation: nvidia-curand-cu12 10.3.6.82\n",
|
128 |
+
" Uninstalling nvidia-curand-cu12-10.3.6.82:\n",
|
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+
" Successfully uninstalled nvidia-curand-cu12-10.3.6.82\n",
|
130 |
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" Attempting uninstall: nvidia-cufft-cu12\n",
|
131 |
+
" Found existing installation: nvidia-cufft-cu12 11.2.3.61\n",
|
132 |
+
" Uninstalling nvidia-cufft-cu12-11.2.3.61:\n",
|
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" Successfully uninstalled nvidia-cufft-cu12-11.2.3.61\n",
|
134 |
+
" Attempting uninstall: nvidia-cuda-runtime-cu12\n",
|
135 |
+
" Found existing installation: nvidia-cuda-runtime-cu12 12.5.82\n",
|
136 |
+
" Uninstalling nvidia-cuda-runtime-cu12-12.5.82:\n",
|
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+
" Successfully uninstalled nvidia-cuda-runtime-cu12-12.5.82\n",
|
138 |
+
" Attempting uninstall: nvidia-cuda-nvrtc-cu12\n",
|
139 |
+
" Found existing installation: nvidia-cuda-nvrtc-cu12 12.5.82\n",
|
140 |
+
" Uninstalling nvidia-cuda-nvrtc-cu12-12.5.82:\n",
|
141 |
+
" Successfully uninstalled nvidia-cuda-nvrtc-cu12-12.5.82\n",
|
142 |
+
" Attempting uninstall: nvidia-cuda-cupti-cu12\n",
|
143 |
+
" Found existing installation: nvidia-cuda-cupti-cu12 12.5.82\n",
|
144 |
+
" Uninstalling nvidia-cuda-cupti-cu12-12.5.82:\n",
|
145 |
+
" Successfully uninstalled nvidia-cuda-cupti-cu12-12.5.82\n",
|
146 |
+
" Attempting uninstall: nvidia-cublas-cu12\n",
|
147 |
+
" Found existing installation: nvidia-cublas-cu12 12.5.3.2\n",
|
148 |
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" Uninstalling nvidia-cublas-cu12-12.5.3.2:\n",
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+
" Successfully uninstalled nvidia-cublas-cu12-12.5.3.2\n",
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" Attempting uninstall: nvidia-cusparse-cu12\n",
|
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" Found existing installation: nvidia-cusparse-cu12 12.5.1.3\n",
|
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" Uninstalling nvidia-cusparse-cu12-12.5.1.3:\n",
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" Successfully uninstalled nvidia-cusparse-cu12-12.5.1.3\n",
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" Attempting uninstall: nvidia-cudnn-cu12\n",
|
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" Found existing installation: nvidia-cudnn-cu12 9.3.0.75\n",
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" Uninstalling nvidia-cudnn-cu12-9.3.0.75:\n",
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" Successfully uninstalled nvidia-cudnn-cu12-9.3.0.75\n",
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" Attempting uninstall: nvidia-cusolver-cu12\n",
|
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" Found existing installation: nvidia-cusolver-cu12 11.6.3.83\n",
|
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" Uninstalling nvidia-cusolver-cu12-11.6.3.83:\n",
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" Successfully uninstalled nvidia-cusolver-cu12-11.6.3.83\n",
|
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+
"Successfully installed nvidia-cublas-cu12-12.4.5.8 nvidia-cuda-cupti-cu12-12.4.127 nvidia-cuda-nvrtc-cu12-12.4.127 nvidia-cuda-runtime-cu12-12.4.127 nvidia-cudnn-cu12-9.1.0.70 nvidia-cufft-cu12-11.2.1.3 nvidia-curand-cu12-10.3.5.147 nvidia-cusolver-cu12-11.6.1.9 nvidia-cusparse-cu12-12.3.1.170 nvidia-nvjitlink-cu12-12.4.127\n"
|
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]
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+
}
|
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+
]
|
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+
},
|
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+
{
|
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+
"cell_type": "code",
|
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+
"source": [
|
170 |
+
"\n",
|
171 |
+
"\n",
|
172 |
+
"!pip install sentencepiece --quiet"
|
173 |
+
],
|
174 |
+
"metadata": {
|
175 |
+
"id": "6DbIAMlqNDRK"
|
176 |
+
},
|
177 |
+
"execution_count": 2,
|
178 |
+
"outputs": []
|
179 |
+
},
|
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+
{
|
181 |
+
"cell_type": "code",
|
182 |
+
"source": [
|
183 |
+
"\n",
|
184 |
+
"\"\"\"\n",
|
185 |
+
"Model File for Roman Urdu Poetry Generation\n",
|
186 |
+
"\n",
|
187 |
+
"This file contains the complete code for:\n",
|
188 |
+
" - Data loading, cleaning, and tokenization using SentencePiece\n",
|
189 |
+
" - Train/Test/Validation split creation\n",
|
190 |
+
" - Dataset and DataLoader creation\n",
|
191 |
+
" - Definition of a BiLSTM Language Model (with 3 layers, dropout, etc.)\n",
|
192 |
+
" - Training, validation, and testing routines\n",
|
193 |
+
" - Saving the trained model weights\n",
|
194 |
+
" - A poetry generation function using nucleus (top-p) sampling with formatted output\n",
|
195 |
+
"\n",
|
196 |
+
"Run this file to train and test the model. The trained weights will be saved to a file and loaded on subsequent runs.\n",
|
197 |
+
"\"\"\""
|
198 |
+
],
|
199 |
+
"metadata": {
|
200 |
+
"colab": {
|
201 |
+
"base_uri": "https://localhost:8080/",
|
202 |
+
"height": 157
|
203 |
+
},
|
204 |
+
"id": "DjB6rAwz-D3Q",
|
205 |
+
"outputId": "817edbf7-6063-4c8c-fb49-30b18dd386b5"
|
206 |
+
},
|
207 |
+
"execution_count": 3,
|
208 |
+
"outputs": [
|
209 |
+
{
|
210 |
+
"output_type": "execute_result",
|
211 |
+
"data": {
|
212 |
+
"text/plain": [
|
213 |
+
"'\\nModel File for Roman Urdu Poetry Generation\\n\\nThis file contains the complete code for:\\n - Data loading, cleaning, and tokenization using SentencePiece\\n - Train/Test/Validation split creation\\n - Dataset and DataLoader creation\\n - Definition of a BiLSTM Language Model (with 3 layers, dropout, etc.)\\n - Training, validation, and testing routines\\n - Saving the trained model weights\\n - A poetry generation function using nucleus (top-p) sampling with formatted output\\n\\nRun this file to train and test the model. The trained weights will be saved to a file and loaded on subsequent runs.\\n'"
|
214 |
+
],
|
215 |
+
"application/vnd.google.colaboratory.intrinsic+json": {
|
216 |
+
"type": "string"
|
217 |
+
}
|
218 |
+
},
|
219 |
+
"metadata": {},
|
220 |
+
"execution_count": 3
|
221 |
+
}
|
222 |
+
]
|
223 |
+
},
|
224 |
+
{
|
225 |
+
"cell_type": "code",
|
226 |
+
"source": [
|
227 |
+
"# -------------------------\n",
|
228 |
+
"# 1. Import Libraries\n",
|
229 |
+
"# -------------------------\n",
|
230 |
+
"import os\n",
|
231 |
+
"import random\n",
|
232 |
+
"import numpy as np\n",
|
233 |
+
"import pandas as pd\n",
|
234 |
+
"import sentencepiece as spm\n",
|
235 |
+
"import re\n",
|
236 |
+
"import torch\n",
|
237 |
+
"import torch.nn as nn\n",
|
238 |
+
"from torch.utils.data import Dataset, DataLoader\n",
|
239 |
+
"import torch.nn.functional as F\n",
|
240 |
+
"import unicodedata\n",
|
241 |
+
"from sklearn.model_selection import train_test_split"
|
242 |
+
],
|
243 |
+
"metadata": {
|
244 |
+
"id": "HoqaPLEq-Ega"
|
245 |
+
},
|
246 |
+
"execution_count": 4,
|
247 |
+
"outputs": []
|
248 |
+
},
|
249 |
+
{
|
250 |
+
"cell_type": "code",
|
251 |
+
"source": [
|
252 |
+
"\n",
|
253 |
+
"# -------------------------\n",
|
254 |
+
"# 2. Set Random Seeds and Device\n",
|
255 |
+
"# -------------------------\n",
|
256 |
+
"SEED = 42\n",
|
257 |
+
"random.seed(SEED)\n",
|
258 |
+
"np.random.seed(SEED)\n",
|
259 |
+
"torch.manual_seed(SEED)\n",
|
260 |
+
"\n",
|
261 |
+
"device = torch.device(\"cuda\" if torch.cuda.is_available() else \"cpu\")\n",
|
262 |
+
"print(\"Using device:\", device)"
|
263 |
+
],
|
264 |
+
"metadata": {
|
265 |
+
"colab": {
|
266 |
+
"base_uri": "https://localhost:8080/"
|
267 |
+
},
|
268 |
+
"id": "u4Xf1Ck6-H-M",
|
269 |
+
"outputId": "f171c4a8-4e30-4873-ebf9-2782aa3e9bdc"
|
270 |
+
},
|
271 |
+
"execution_count": 5,
|
272 |
+
"outputs": [
|
273 |
+
{
|
274 |
+
"output_type": "stream",
|
275 |
+
"name": "stdout",
|
276 |
+
"text": [
|
277 |
+
"Using device: cuda\n"
|
278 |
+
]
|
279 |
+
}
|
280 |
+
]
|
281 |
+
},
|
282 |
+
{
|
283 |
+
"cell_type": "code",
|
284 |
+
"source": [
|
285 |
+
"# -------------------------\n",
|
286 |
+
"# 3. Load and Clean Dataset\n",
|
287 |
+
"# -------------------------\n",
|
288 |
+
"DATA_PATH = \"Roman-Urdu-Poetry.csv\" # Make sure this file exists in your working directory\n",
|
289 |
+
"df = pd.read_csv(DATA_PATH)\n",
|
290 |
+
"\n",
|
291 |
+
"def remove_diacritics(text: str) -> str:\n",
|
292 |
+
" \"\"\"\n",
|
293 |
+
" Removes Unicode diacritical marks from the text.\n",
|
294 |
+
" \"\"\"\n",
|
295 |
+
" return ''.join(ch for ch in unicodedata.normalize('NFD', text)\n",
|
296 |
+
" if not unicodedata.combining(ch))\n",
|
297 |
+
"\n",
|
298 |
+
"def clean_text(text):\n",
|
299 |
+
" \"\"\"\n",
|
300 |
+
" Cleans the input text by removing diacritics, extra spaces, and unwanted punctuation.\n",
|
301 |
+
" \"\"\"\n",
|
302 |
+
" text = remove_diacritics(text)\n",
|
303 |
+
" text = re.sub(r\"\\s+\", \" \", text)\n",
|
304 |
+
" text = re.sub(r\"[^\\w\\s\\.\\,\\;\\:\\'\\?\\!\\-]+\", \"\", text)\n",
|
305 |
+
" return text.strip()\n",
|
306 |
+
"\n",
|
307 |
+
"df[\"Poetry\"] = df[\"Poetry\"].astype(str).apply(clean_text)\n",
|
308 |
+
"texts = df[\"Poetry\"].tolist()\n",
|
309 |
+
"print(f\"Total number of poetry lines: {len(texts)}\")"
|
310 |
+
],
|
311 |
+
"metadata": {
|
312 |
+
"colab": {
|
313 |
+
"base_uri": "https://localhost:8080/"
|
314 |
+
},
|
315 |
+
"id": "MYJTunkz-LDb",
|
316 |
+
"outputId": "82609d66-3e91-4795-eac5-251bf9bf8dd1"
|
317 |
+
},
|
318 |
+
"execution_count": 6,
|
319 |
+
"outputs": [
|
320 |
+
{
|
321 |
+
"output_type": "stream",
|
322 |
+
"name": "stdout",
|
323 |
+
"text": [
|
324 |
+
"Total number of poetry lines: 1314\n"
|
325 |
+
]
|
326 |
+
}
|
327 |
+
]
|
328 |
+
},
|
329 |
+
{
|
330 |
+
"cell_type": "code",
|
331 |
+
"source": [
|
332 |
+
"# -------------------------\n",
|
333 |
+
"# 4. Train/Test/Validation Split (80/10/10)\n",
|
334 |
+
"# -------------------------\n",
|
335 |
+
"train_texts, test_texts = train_test_split(texts, test_size=0.1, random_state=SEED)\n",
|
336 |
+
"train_texts, val_texts = train_test_split(train_texts, test_size=0.1111, random_state=SEED)\n",
|
337 |
+
"print(f\"Train samples: {len(train_texts)}\")\n",
|
338 |
+
"print(f\"Validation samples: {len(val_texts)}\")\n",
|
339 |
+
"print(f\"Test samples: {len(test_texts)}\")"
|
340 |
+
],
|
341 |
+
"metadata": {
|
342 |
+
"colab": {
|
343 |
+
"base_uri": "https://localhost:8080/"
|
344 |
+
},
|
345 |
+
"id": "_VvgUa3L-MAR",
|
346 |
+
"outputId": "d045fd71-3f09-4d6c-eea9-34c3e444db59"
|
347 |
+
},
|
348 |
+
"execution_count": 7,
|
349 |
+
"outputs": [
|
350 |
+
{
|
351 |
+
"output_type": "stream",
|
352 |
+
"name": "stdout",
|
353 |
+
"text": [
|
354 |
+
"Train samples: 1050\n",
|
355 |
+
"Validation samples: 132\n",
|
356 |
+
"Test samples: 132\n"
|
357 |
+
]
|
358 |
+
}
|
359 |
+
]
|
360 |
+
},
|
361 |
+
{
|
362 |
+
"cell_type": "code",
|
363 |
+
"source": [
|
364 |
+
"# -------------------------\n",
|
365 |
+
"# 5. Train a SentencePiece BPE Tokenizer\n",
|
366 |
+
"# -------------------------\n",
|
367 |
+
"all_texts_file = \"all_texts.txt\"\n",
|
368 |
+
"if not os.path.exists(all_texts_file):\n",
|
369 |
+
" with open(all_texts_file, \"w\", encoding=\"utf-8\") as f:\n",
|
370 |
+
" for line in texts:\n",
|
371 |
+
" f.write(line.strip() + \"\\n\")\n",
|
372 |
+
"else:\n",
|
373 |
+
" print(f\"{all_texts_file} already exists; skipping file creation.\")\n",
|
374 |
+
"\n",
|
375 |
+
"\n",
|
376 |
+
"sp_model_prefix = \"urdu_sp\"\n",
|
377 |
+
"model_file = f\"{sp_model_prefix}.model\"\n",
|
378 |
+
"vocab_file = f\"{sp_model_prefix}.vocab\"\n",
|
379 |
+
"\n",
|
380 |
+
"vocab_size = 12000 # Adjust as needed\n",
|
381 |
+
"model_type = \"bpe\"\n",
|
382 |
+
"\n",
|
383 |
+
"if not (os.path.exists(model_file) and os.path.exists(vocab_file)):\n",
|
384 |
+
" print(\"SentencePiece model or vocab not found. Training...\")\n",
|
385 |
+
" spm.SentencePieceTrainer.Train(\n",
|
386 |
+
" f\"--input={all_texts_file} \"\n",
|
387 |
+
" f\"--model_prefix={sp_model_prefix} \"\n",
|
388 |
+
" f\"--vocab_size={vocab_size} \"\n",
|
389 |
+
" f\"--model_type={model_type} \"\n",
|
390 |
+
" \"--character_coverage=1.0 \"\n",
|
391 |
+
" \"--pad_id=0 --unk_id=1 --bos_id=2 --eos_id=3\"\n",
|
392 |
+
" )\n",
|
393 |
+
"else:\n",
|
394 |
+
" print(\"SentencePiece model & vocab found; skipping training.\")\n",
|
395 |
+
"\n",
|
396 |
+
"# Load the SentencePiece model\n",
|
397 |
+
"sp = spm.SentencePieceProcessor()\n",
|
398 |
+
"sp.load(model_file)\n",
|
399 |
+
"print(\"Loaded SentencePiece model with vocab size:\", sp.get_piece_size())\n"
|
400 |
+
],
|
401 |
+
"metadata": {
|
402 |
+
"colab": {
|
403 |
+
"base_uri": "https://localhost:8080/"
|
404 |
+
},
|
405 |
+
"id": "2L1JgC02-OBW",
|
406 |
+
"outputId": "d6ea06cf-8f54-47d8-fada-a016ca1df4c9"
|
407 |
+
},
|
408 |
+
"execution_count": 8,
|
409 |
+
"outputs": [
|
410 |
+
{
|
411 |
+
"output_type": "stream",
|
412 |
+
"name": "stdout",
|
413 |
+
"text": [
|
414 |
+
"Loaded SentencePiece model with vocab size: 12000\n"
|
415 |
+
]
|
416 |
+
}
|
417 |
+
]
|
418 |
+
},
|
419 |
+
{
|
420 |
+
"cell_type": "code",
|
421 |
+
"source": [
|
422 |
+
"# -------------------------\n",
|
423 |
+
"# 6. Tokenize Data\n",
|
424 |
+
"# -------------------------\n",
|
425 |
+
"train_ids = [sp.encode_as_ids(t) for t in train_texts]\n",
|
426 |
+
"val_ids = [sp.encode_as_ids(t) for t in val_texts]\n",
|
427 |
+
"test_ids = [sp.encode_as_ids(t) for t in test_texts]"
|
428 |
+
],
|
429 |
+
"metadata": {
|
430 |
+
"id": "lq7lbUcu-RDU"
|
431 |
+
},
|
432 |
+
"execution_count": 9,
|
433 |
+
"outputs": []
|
434 |
+
},
|
435 |
+
{
|
436 |
+
"cell_type": "code",
|
437 |
+
"source": [
|
438 |
+
"# -------------------------\n",
|
439 |
+
"# 7. Create Dataset and DataLoader\n",
|
440 |
+
"# -------------------------\n",
|
441 |
+
"class PoetryDataset(Dataset):\n",
|
442 |
+
" def __init__(self, token_ids_list, max_length=250):\n",
|
443 |
+
" self.data = token_ids_list\n",
|
444 |
+
" self.max_length = max_length\n",
|
445 |
+
"\n",
|
446 |
+
" def __len__(self):\n",
|
447 |
+
" return len(self.data)\n",
|
448 |
+
"\n",
|
449 |
+
" def __getitem__(self, idx):\n",
|
450 |
+
" # Truncate tokens to max_length\n",
|
451 |
+
" token_ids = self.data[idx][:self.max_length]\n",
|
452 |
+
" # Create input by adding BOS token (2) at the beginning\n",
|
453 |
+
" input_ids = [2] + token_ids\n",
|
454 |
+
" # Create target by appending EOS token (3) at the end\n",
|
455 |
+
" target_ids = token_ids + [3]\n",
|
456 |
+
" return torch.tensor(input_ids, dtype=torch.long), torch.tensor(target_ids, dtype=torch.long)\n",
|
457 |
+
"\n",
|
458 |
+
"def collate_fn(batch):\n",
|
459 |
+
" inputs, targets = zip(*batch)\n",
|
460 |
+
" max_len = max(len(x) for x in inputs)\n",
|
461 |
+
" padded_inputs = [torch.cat([x, torch.zeros(max_len - len(x), dtype=torch.long)]) for x in inputs]\n",
|
462 |
+
" padded_targets = [torch.cat([t, torch.zeros(max_len - len(t), dtype=torch.long)]) for t in targets]\n",
|
463 |
+
" return torch.stack(padded_inputs), torch.stack(padded_targets)"
|
464 |
+
],
|
465 |
+
"metadata": {
|
466 |
+
"id": "OZ9_kG0M-TOF"
|
467 |
+
},
|
468 |
+
"execution_count": 10,
|
469 |
+
"outputs": []
|
470 |
+
},
|
471 |
+
{
|
472 |
+
"cell_type": "code",
|
473 |
+
"source": [
|
474 |
+
"train_dataset = PoetryDataset(train_ids, max_length=250)\n",
|
475 |
+
"val_dataset = PoetryDataset(val_ids, max_length=250)\n",
|
476 |
+
"test_dataset = PoetryDataset(test_ids, max_length=250)\n",
|
477 |
+
"\n",
|
478 |
+
"batch_size = 64\n",
|
479 |
+
"train_loader = DataLoader(train_dataset, batch_size=batch_size, shuffle=True, collate_fn=collate_fn, drop_last=True)\n",
|
480 |
+
"val_loader = DataLoader(val_dataset, batch_size=batch_size, shuffle=False, collate_fn=collate_fn, drop_last=True)\n",
|
481 |
+
"test_loader = DataLoader(test_dataset, batch_size=batch_size, shuffle=False, collate_fn=collate_fn, drop_last=True)"
|
482 |
+
],
|
483 |
+
"metadata": {
|
484 |
+
"id": "z1aGUj-w-Xh9"
|
485 |
+
},
|
486 |
+
"execution_count": 11,
|
487 |
+
"outputs": []
|
488 |
+
},
|
489 |
+
{
|
490 |
+
"cell_type": "code",
|
491 |
+
"source": [
|
492 |
+
"# -------------------------\n",
|
493 |
+
"# 8. Define the BiLSTM Language Model\n",
|
494 |
+
"# -------------------------\n",
|
495 |
+
"class BiLSTMLanguageModel(nn.Module):\n",
|
496 |
+
" def __init__(self, vocab_size, embed_dim=512, hidden_dim=768, num_layers=3, dropout=0.2):\n",
|
497 |
+
" super(BiLSTMLanguageModel, self).__init__()\n",
|
498 |
+
" self.embed = nn.Embedding(vocab_size, embed_dim, padding_idx=0)\n",
|
499 |
+
" # Stacked Bi-LSTM layers\n",
|
500 |
+
" self.lstm = nn.LSTM(\n",
|
501 |
+
" input_size=embed_dim,\n",
|
502 |
+
" hidden_size=hidden_dim,\n",
|
503 |
+
" num_layers=num_layers,\n",
|
504 |
+
" batch_first=True,\n",
|
505 |
+
" bidirectional=True,\n",
|
506 |
+
" dropout=dropout\n",
|
507 |
+
" )\n",
|
508 |
+
" # Linear layer to project LSTM outputs to vocabulary size\n",
|
509 |
+
" self.fc = nn.Linear(hidden_dim * 2, vocab_size)\n",
|
510 |
+
"\n",
|
511 |
+
" def forward(self, x, hidden=None):\n",
|
512 |
+
" emb = self.embed(x)\n",
|
513 |
+
" out, hidden = self.lstm(emb, hidden)\n",
|
514 |
+
" logits = self.fc(out)\n",
|
515 |
+
" return logits, hidden"
|
516 |
+
],
|
517 |
+
"metadata": {
|
518 |
+
"id": "YD8F_0WM-apV"
|
519 |
+
},
|
520 |
+
"execution_count": 12,
|
521 |
+
"outputs": []
|
522 |
+
},
|
523 |
+
{
|
524 |
+
"cell_type": "code",
|
525 |
+
"source": [
|
526 |
+
"vocab_size = sp.get_piece_size()\n",
|
527 |
+
"model = BiLSTMLanguageModel(vocab_size, embed_dim=512, hidden_dim=768, num_layers=3, dropout=0.2)\n",
|
528 |
+
"model = model.to(device)"
|
529 |
+
],
|
530 |
+
"metadata": {
|
531 |
+
"id": "aKWTogmN-gaq"
|
532 |
+
},
|
533 |
+
"execution_count": 13,
|
534 |
+
"outputs": []
|
535 |
+
},
|
536 |
+
{
|
537 |
+
"cell_type": "code",
|
538 |
+
"source": [
|
539 |
+
"# -------------------------\n",
|
540 |
+
"# 9. Training Setup (Loss, Optimizer, Scheduler)\n",
|
541 |
+
"# -------------------------\n",
|
542 |
+
"criterion = nn.CrossEntropyLoss(ignore_index=0)\n",
|
543 |
+
"optimizer = torch.optim.Adam(model.parameters(), lr=1e-3, weight_decay=1e-5)\n",
|
544 |
+
"scheduler = torch.optim.lr_scheduler.StepLR(optimizer, step_size=2, gamma=0.5)\n",
|
545 |
+
"\n",
|
546 |
+
"def evaluate(model, data_loader):\n",
|
547 |
+
" model.eval()\n",
|
548 |
+
" total_loss, total_tokens = 0, 0\n",
|
549 |
+
" with torch.no_grad():\n",
|
550 |
+
" for inputs, targets in data_loader:\n",
|
551 |
+
" inputs = inputs.to(device)\n",
|
552 |
+
" targets = targets.to(device)\n",
|
553 |
+
" logits, _ = model(inputs)\n",
|
554 |
+
" logits = logits.view(-1, vocab_size)\n",
|
555 |
+
" targets = targets.view(-1)\n",
|
556 |
+
" loss = criterion(logits, targets)\n",
|
557 |
+
" total_loss += loss.item() * (targets != 0).sum().item()\n",
|
558 |
+
" total_tokens += (targets != 0).sum().item()\n",
|
559 |
+
" return total_loss / total_tokens"
|
560 |
+
],
|
561 |
+
"metadata": {
|
562 |
+
"id": "9W5USllq-i83"
|
563 |
+
},
|
564 |
+
"execution_count": 14,
|
565 |
+
"outputs": []
|
566 |
+
},
|
567 |
+
{
|
568 |
+
"cell_type": "code",
|
569 |
+
"source": [
|
570 |
+
"# -------------------------\n",
|
571 |
+
"# 10. Training Loop with Testing Code and Weight Saving\n",
|
572 |
+
"# -------------------------\n",
|
573 |
+
"num_epochs = 10\n",
|
574 |
+
"weights_path = \"model_weights.pth\"\n",
|
575 |
+
"\n",
|
576 |
+
"if not os.path.exists(weights_path):\n",
|
577 |
+
" for epoch in range(num_epochs):\n",
|
578 |
+
" model.train()\n",
|
579 |
+
" total_loss, total_tokens = 0, 0\n",
|
580 |
+
" for inputs, targets in train_loader:\n",
|
581 |
+
" inputs = inputs.to(device)\n",
|
582 |
+
" targets = targets.to(device)\n",
|
583 |
+
" optimizer.zero_grad()\n",
|
584 |
+
" logits, _ = model(inputs)\n",
|
585 |
+
" logits = logits.view(-1, vocab_size)\n",
|
586 |
+
" targets = targets.view(-1)\n",
|
587 |
+
" loss = criterion(logits, targets)\n",
|
588 |
+
" loss.backward()\n",
|
589 |
+
" torch.nn.utils.clip_grad_norm_(model.parameters(), max_norm=5.0)\n",
|
590 |
+
" optimizer.step()\n",
|
591 |
+
" total_loss += loss.item() * (targets != 0).sum().item()\n",
|
592 |
+
" total_tokens += (targets != 0).sum().item()\n",
|
593 |
+
" train_loss = total_loss / total_tokens\n",
|
594 |
+
" val_loss = evaluate(model, val_loader)\n",
|
595 |
+
" scheduler.step()\n",
|
596 |
+
" print(f\"Epoch [{epoch+1}/{num_epochs}], Train Loss: {train_loss:.4f}, Val Loss: {val_loss:.4f}\")\n",
|
597 |
+
" test_loss = evaluate(model, test_loader)\n",
|
598 |
+
" print(f\"Test Loss: {test_loss:.4f}\")\n",
|
599 |
+
" torch.save(model.state_dict(), weights_path)\n",
|
600 |
+
"else:\n",
|
601 |
+
" print(\"Loading pre-trained model weights...\")\n",
|
602 |
+
" model.load_state_dict(torch.load(weights_path, map_location=device))"
|
603 |
+
],
|
604 |
+
"metadata": {
|
605 |
+
"colab": {
|
606 |
+
"base_uri": "https://localhost:8080/"
|
607 |
+
},
|
608 |
+
"id": "B0nDauKT-nQC",
|
609 |
+
"outputId": "c082b8a8-70fb-4375-8b89-6deb72b31f6f"
|
610 |
+
},
|
611 |
+
"execution_count": 15,
|
612 |
+
"outputs": [
|
613 |
+
{
|
614 |
+
"output_type": "stream",
|
615 |
+
"name": "stdout",
|
616 |
+
"text": [
|
617 |
+
"Epoch [1/10], Train Loss: 7.1034, Val Loss: 6.2269\n",
|
618 |
+
"Epoch [2/10], Train Loss: 5.7528, Val Loss: 5.4652\n",
|
619 |
+
"Epoch [3/10], Train Loss: 5.0948, Val Loss: 4.9459\n",
|
620 |
+
"Epoch [4/10], Train Loss: 4.4997, Val Loss: 4.2981\n",
|
621 |
+
"Epoch [5/10], Train Loss: 3.9654, Val Loss: 3.9398\n",
|
622 |
+
"Epoch [6/10], Train Loss: 3.6264, Val Loss: 3.6214\n",
|
623 |
+
"Epoch [7/10], Train Loss: 3.3671, Val Loss: 3.4665\n",
|
624 |
+
"Epoch [8/10], Train Loss: 3.2082, Val Loss: 3.3188\n",
|
625 |
+
"Epoch [9/10], Train Loss: 3.0880, Val Loss: 3.2478\n",
|
626 |
+
"Epoch [10/10], Train Loss: 3.0126, Val Loss: 3.1772\n",
|
627 |
+
"Test Loss: 3.1696\n"
|
628 |
+
]
|
629 |
+
}
|
630 |
+
]
|
631 |
+
},
|
632 |
+
{
|
633 |
+
"cell_type": "code",
|
634 |
+
"source": [
|
635 |
+
"\n",
|
636 |
+
"\n",
|
637 |
+
"def generate_poetry_nucleus(model, sp, start_word, num_words=12, temperature=1.2, top_p=0.85):\n",
|
638 |
+
" \"\"\"\n",
|
639 |
+
" Generate a poetry sequence using nucleus (top-p) sampling.\n",
|
640 |
+
" The output is formatted so that every 6 words appear on a new line.\n",
|
641 |
+
" If num_words is specified, it means 1 starting word + (num_words - 1) generated tokens.\n",
|
642 |
+
" \"\"\"\n",
|
643 |
+
" model.eval()\n",
|
644 |
+
" start_ids = sp.encode_as_ids(start_word)\n",
|
645 |
+
" input_ids = [2] + start_ids # Insert BOS (token 2)\n",
|
646 |
+
" input_tensor = torch.tensor([input_ids], dtype=torch.long, device=device)\n",
|
647 |
+
" hidden = None\n",
|
648 |
+
"\n",
|
649 |
+
" with torch.no_grad():\n",
|
650 |
+
" logits, hidden = model(input_tensor, hidden)\n",
|
651 |
+
"\n",
|
652 |
+
" generated_ids = input_ids[:] # Copy initial tokens\n",
|
653 |
+
"\n",
|
654 |
+
" for _ in range(num_words - 1): # Generate one less token\n",
|
655 |
+
" # Get the logits of the last generated token\n",
|
656 |
+
" last_logits = logits[:, -1, :] # Shape: (1, vocab_size)\n",
|
657 |
+
" scaled_logits = last_logits / temperature\n",
|
658 |
+
"\n",
|
659 |
+
" # Sort the logits in descending order\n",
|
660 |
+
" sorted_logits, sorted_indices = torch.sort(scaled_logits, descending=True)\n",
|
661 |
+
" cumulative_probs = torch.cumsum(F.softmax(sorted_logits, dim=-1), dim=-1)\n",
|
662 |
+
"\n",
|
663 |
+
" # Filter out tokens with cumulative probability above top_p\n",
|
664 |
+
" filtered_indices = cumulative_probs > top_p\n",
|
665 |
+
" if torch.all(filtered_indices):\n",
|
666 |
+
" filtered_indices[-1] = False # Ensure at least one token remains\n",
|
667 |
+
" sorted_indices = sorted_indices[~filtered_indices]\n",
|
668 |
+
" sorted_logits = sorted_logits[~filtered_indices]\n",
|
669 |
+
"\n",
|
670 |
+
" # Sample the next token from the filtered distribution\n",
|
671 |
+
" if len(sorted_indices) > 0:\n",
|
672 |
+
" next_token_id = sorted_indices[torch.multinomial(F.softmax(sorted_logits, dim=-1), 1).item()].item()\n",
|
673 |
+
" else:\n",
|
674 |
+
" next_token_id = torch.argmax(last_logits).item()\n",
|
675 |
+
" generated_ids.append(next_token_id)\n",
|
676 |
+
"\n",
|
677 |
+
" # Prepare next input and update hidden state\n",
|
678 |
+
" next_input = torch.tensor([[next_token_id]], dtype=torch.long, device=device)\n",
|
679 |
+
" logits, hidden = model(next_input, hidden)\n",
|
680 |
+
"\n",
|
681 |
+
" # Decode generated tokens (skip BOS) and format output: 6 words per line\n",
|
682 |
+
" generated_text = sp.decode_ids(generated_ids[1:])\n",
|
683 |
+
" words = generated_text.split()\n",
|
684 |
+
" formatted_text = \"\\n\".join([\" \".join(words[i:i+6]) for i in range(0, len(words), 6)])\n",
|
685 |
+
" return formatted_text\n"
|
686 |
+
],
|
687 |
+
"metadata": {
|
688 |
+
"id": "kmsILzIh_0um"
|
689 |
+
},
|
690 |
+
"execution_count": 16,
|
691 |
+
"outputs": []
|
692 |
+
},
|
693 |
+
{
|
694 |
+
"cell_type": "code",
|
695 |
+
"source": [
|
696 |
+
"\n",
|
697 |
+
"\n",
|
698 |
+
"# -------------------------\n",
|
699 |
+
"# 12. Example Usage for Testing (Optional)\n",
|
700 |
+
"# -------------------------\n",
|
701 |
+
"if __name__ == \"__main__\":\n",
|
702 |
+
" # Test the generation function in the notebook/script\n",
|
703 |
+
" start_word = \"ishq\"\n",
|
704 |
+
" print(\"Generated Poetry:\\n\", generate_poetry_nucleus(model, sp, start_word, num_words=12, temperature=1.2, top_p=0.85))\n"
|
705 |
+
],
|
706 |
+
"metadata": {
|
707 |
+
"colab": {
|
708 |
+
"base_uri": "https://localhost:8080/"
|
709 |
+
},
|
710 |
+
"id": "a3WKAKtJ_8YU",
|
711 |
+
"outputId": "9571d2a7-97a4-4b1d-d106-3b7ccd0da43f"
|
712 |
+
},
|
713 |
+
"execution_count": 18,
|
714 |
+
"outputs": [
|
715 |
+
{
|
716 |
+
"output_type": "stream",
|
717 |
+
"name": "stdout",
|
718 |
+
"text": [
|
719 |
+
"Generated Poetry:\n",
|
720 |
+
" ishq nishan tum phir kar phir\n",
|
721 |
+
"ik baat aur phir ye phir\n"
|
722 |
+
]
|
723 |
+
}
|
724 |
+
]
|
725 |
+
},
|
726 |
+
{
|
727 |
+
"cell_type": "code",
|
728 |
+
"source": [],
|
729 |
+
"metadata": {
|
730 |
+
"id": "hK3-OgKI98Ia"
|
731 |
+
},
|
732 |
+
"execution_count": 17,
|
733 |
+
"outputs": []
|
734 |
+
}
|
735 |
+
]
|
736 |
+
}
|
requirements.txt
ADDED
@@ -0,0 +1,2 @@
|
|
|
|
|
|
|
1 |
+
torch==2.6.0
|
2 |
+
sentencepiece==0.2.0
|
urdu_sp.model
ADDED
@@ -0,0 +1,3 @@
|
|
|
|
|
|
|
|
|
1 |
+
version https://git-lfs.github.com/spec/v1
|
2 |
+
oid sha256:81ccdc84bc97783bd3b3ae632ec37ebd85124be7dd75650f5512824df6a413e2
|
3 |
+
size 429486
|
urdu_sp.vocab
ADDED
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|
|