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January 26, 2023 05:38
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{ | |
"cells": [ | |
{ | |
"cell_type": "code", | |
"execution_count": 1, | |
"id": "e8447b79-1314-4c8c-b3ab-2888a0dc059c", | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"name": "stderr", | |
"output_type": "stream", | |
"text": [ | |
"/opt/conda/envs/py38/lib/python3.8/site-packages/tqdm/auto.py:22: TqdmWarning: IProgress not found. Please update jupyter and ipywidgets. See https://ipywidgets.readthedocs.io/en/stable/user_install.html\n", | |
" from .autonotebook import tqdm as notebook_tqdm\n" | |
] | |
} | |
], | |
"source": [ | |
"import transformers \n", | |
"import accelerate\n", | |
"import peft" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 2, | |
"id": "445160ea-c60f-4bad-bfef-65065616f249", | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"name": "stdout", | |
"output_type": "stream", | |
"text": [ | |
"Transformers version: 4.25.1\n", | |
"Accelerate version: 0.15.0\n", | |
"PEFT version: 0.1.0.dev0\n" | |
] | |
} | |
], | |
"source": [ | |
"print(f\"Transformers version: {transformers.__version__}\")\n", | |
"print(f\"Accelerate version: {accelerate.__version__}\")\n", | |
"print(f\"PEFT version: {peft.__version__}\")" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 3, | |
"id": "197ff6c1-cc05-4ba8-ab6a-0dd7261df58f", | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"model_checkpoint = \"google/vit-base-patch16-224-in21k\" # pre-trained model from which to fine-tune\n", | |
"batch_size = 128" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 4, | |
"id": "e8917199-67d4-4f82-9e99-dd19bfa1b4e6", | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"name": "stderr", | |
"output_type": "stream", | |
"text": [ | |
"Found cached dataset food101 (/home/jupyter/.cache/huggingface/datasets/food101/default/0.0.0/7cebe41a80fb2da3f08fcbef769c8874073a86346f7fb96dc0847d4dfc318295)\n" | |
] | |
} | |
], | |
"source": [ | |
"from datasets import load_dataset \n", | |
"\n", | |
"dataset = load_dataset(\"food101\", split=\"train[:5000]\")" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 5, | |
"id": "ec2bf41b-1c0f-4915-85e8-7b733c7949b8", | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/plain": [ | |
"Dataset({\n", | |
" features: ['image', 'label'],\n", | |
" num_rows: 5000\n", | |
"})" | |
] | |
}, | |
"execution_count": 5, | |
"metadata": {}, | |
"output_type": "execute_result" | |
} | |
], | |
"source": [ | |
"dataset" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 6, | |
"id": "64e0f63d-7fc1-4688-9762-d428332e5698", | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/plain": [ | |
"'baklava'" | |
] | |
}, | |
"execution_count": 6, | |
"metadata": {}, | |
"output_type": "execute_result" | |
} | |
], | |
"source": [ | |
"labels = dataset.features[\"label\"].names\n", | |
"label2id, id2label = dict(), dict()\n", | |
"for i, label in enumerate(labels):\n", | |
" label2id[label] = i\n", | |
" id2label[i] = label\n", | |
"\n", | |
"id2label[2]" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 7, | |
"id": "e85b70da-902f-4506-8d1b-0fb8b85fea68", | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/plain": [ | |
"ViTImageProcessor {\n", | |
" \"do_normalize\": true,\n", | |
" \"do_rescale\": true,\n", | |
" \"do_resize\": true,\n", | |
" \"image_mean\": [\n", | |
" 0.5,\n", | |
" 0.5,\n", | |
" 0.5\n", | |
" ],\n", | |
" \"image_processor_type\": \"ViTImageProcessor\",\n", | |
" \"image_std\": [\n", | |
" 0.5,\n", | |
" 0.5,\n", | |
" 0.5\n", | |
" ],\n", | |
" \"resample\": 2,\n", | |
" \"rescale_factor\": 0.00392156862745098,\n", | |
" \"size\": {\n", | |
" \"height\": 224,\n", | |
" \"width\": 224\n", | |
" }\n", | |
"}" | |
] | |
}, | |
"execution_count": 7, | |
"metadata": {}, | |
"output_type": "execute_result" | |
} | |
], | |
"source": [ | |
"from transformers import AutoImageProcessor\n", | |
"\n", | |
"image_processor = AutoImageProcessor.from_pretrained(model_checkpoint)\n", | |
"image_processor" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 8, | |
"id": "eeec77a5-9f8c-450e-8f2f-e8e9c0027f8b", | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"from torchvision.transforms import (\n", | |
" CenterCrop,\n", | |
" Compose,\n", | |
" Normalize,\n", | |
" RandomHorizontalFlip,\n", | |
" RandomResizedCrop,\n", | |
" Resize,\n", | |
" ToTensor,\n", | |
")\n", | |
"\n", | |
"normalize = Normalize(mean=image_processor.image_mean, std=image_processor.image_std)\n", | |
"train_transforms = Compose(\n", | |
" [\n", | |
" RandomResizedCrop(image_processor.size[\"height\"]),\n", | |
" RandomHorizontalFlip(),\n", | |
" ToTensor(),\n", | |
" normalize,\n", | |
" ]\n", | |
" )\n", | |
"\n", | |
"val_transforms = Compose(\n", | |
" [\n", | |
" Resize(image_processor.size[\"height\"]),\n", | |
" CenterCrop(image_processor.size[\"height\"]),\n", | |
" ToTensor(),\n", | |
" normalize,\n", | |
" ]\n", | |
" )\n", | |
"\n", | |
"def preprocess_train(example_batch):\n", | |
" \"\"\"Apply train_transforms across a batch.\"\"\"\n", | |
" example_batch[\"pixel_values\"] = [\n", | |
" train_transforms(image.convert(\"RGB\")) for image in example_batch[\"image\"]\n", | |
" ]\n", | |
" return example_batch\n", | |
"\n", | |
"def preprocess_val(example_batch):\n", | |
" \"\"\"Apply val_transforms across a batch.\"\"\"\n", | |
" example_batch[\"pixel_values\"] = [val_transforms(image.convert(\"RGB\")) for image in example_batch[\"image\"]]\n", | |
" return example_batch\n", | |
" " | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 9, | |
"id": "fd5dee84-437e-45d2-9ccd-245000da9ae8", | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"# split up training into training + validation\n", | |
"splits = dataset.train_test_split(test_size=0.1)\n", | |
"train_ds = splits[\"train\"]\n", | |
"val_ds = splits[\"test\"]" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 10, | |
"id": "f1528e46-bae5-4701-b1c1-e88be179fa06", | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"train_ds.set_transform(preprocess_train)\n", | |
"val_ds.set_transform(preprocess_val)" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 11, | |
"id": "f16600d2-1fc4-4a5a-9342-bebf0ccc335a", | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"name": "stderr", | |
"output_type": "stream", | |
"text": [ | |
"Some weights of the model checkpoint at google/vit-base-patch16-224-in21k were not used when initializing ViTForImageClassification: ['pooler.dense.weight', 'pooler.dense.bias']\n", | |
"- This IS expected if you are initializing ViTForImageClassification from the checkpoint of a model trained on another task or with another architecture (e.g. initializing a BertForSequenceClassification model from a BertForPreTraining model).\n", | |
"- This IS NOT expected if you are initializing ViTForImageClassification from the checkpoint of a model that you expect to be exactly identical (initializing a BertForSequenceClassification model from a BertForSequenceClassification model).\n", | |
"Some weights of ViTForImageClassification were not initialized from the model checkpoint at google/vit-base-patch16-224-in21k and are newly initialized: ['classifier.bias', 'classifier.weight']\n", | |
"You should probably TRAIN this model on a down-stream task to be able to use it for predictions and inference.\n" | |
] | |
} | |
], | |
"source": [ | |
"from transformers import AutoModelForImageClassification, TrainingArguments, Trainer\n", | |
"\n", | |
"model = AutoModelForImageClassification.from_pretrained(\n", | |
" model_checkpoint, \n", | |
" label2id=label2id,\n", | |
" id2label=id2label,\n", | |
" ignore_mismatched_sizes=True, # provide this in case you're planning to fine-tune an already fine-tuned checkpoint\n", | |
")" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 12, | |
"id": "397a4d74-7fc4-4d42-9637-485dac28e255", | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"from peft import LoraConfig, LoraModel\n", | |
"\n", | |
"\n", | |
"config = LoraConfig(\n", | |
" r=16,\n", | |
" lora_alpha=16,\n", | |
" target_modules=[\"query\", \"value\"],\n", | |
" lora_dropout=0.0,\n", | |
" bias=\"none\",\n", | |
")\n", | |
"lora_model = LoraModel(config, model)" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 13, | |
"id": "80ae9b51-f17f-42cb-9499-75b3f025d13a", | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"name": "stdout", | |
"output_type": "stream", | |
"text": [ | |
"589824 589824\n" | |
] | |
} | |
], | |
"source": [ | |
"def count_trainable_params(model):\n", | |
" return sum(p.numel() for p in model.parameters() if p.requires_grad)\n", | |
"\n", | |
"\n", | |
"print(count_trainable_params(model), count_trainable_params(lora_model))" | |
] | |
}, | |
{ | |
"cell_type": "markdown", | |
"id": "188392c0-be72-4d6c-9d79-830203a44168", | |
"metadata": {}, | |
"source": [ | |
"__Shouldn't the number of trainable params for the `lora_model` be lesser than that of `model`?__" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 14, | |
"id": "e558954d-c6e0-4715-bce5-13aaf4d1d5ac", | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"from transformers import TrainingArguments, Trainer\n", | |
"\n", | |
"\n", | |
"model_name = model_checkpoint.split(\"/\")[-1]\n", | |
"\n", | |
"args = TrainingArguments(\n", | |
" f\"{model_name}-finetuned-lora-food101\",\n", | |
" remove_unused_columns=False,\n", | |
" evaluation_strategy = \"epoch\",\n", | |
" save_strategy = \"epoch\",\n", | |
" learning_rate=1e-3,\n", | |
" per_device_train_batch_size=batch_size,\n", | |
" gradient_accumulation_steps=4,\n", | |
" per_device_eval_batch_size=batch_size,\n", | |
" num_train_epochs=3,\n", | |
" warmup_ratio=0.1,\n", | |
" logging_steps=10,\n", | |
" load_best_model_at_end=True,\n", | |
" metric_for_best_model=\"accuracy\",\n", | |
" push_to_hub=True,\n", | |
")" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 15, | |
"id": "78775cc0-ef54-4d0d-b786-17774d318f02", | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"import numpy as np\n", | |
"import evaluate\n", | |
"\n", | |
"\n", | |
"metric = evaluate.load(\"accuracy\")\n", | |
"\n", | |
"# the compute_metrics function takes a Named Tuple as input:\n", | |
"# predictions, which are the logits of the model as Numpy arrays,\n", | |
"# and label_ids, which are the ground-truth labels as Numpy arrays.\n", | |
"def compute_metrics(eval_pred):\n", | |
" \"\"\"Computes accuracy on a batch of predictions\"\"\"\n", | |
" predictions = np.argmax(eval_pred.predictions, axis=1)\n", | |
" return metric.compute(predictions=predictions, references=eval_pred.label_ids)" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 16, | |
"id": "6412dfd1-9625-4c22-94ef-9e6d851f80f6", | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"import torch\n", | |
"\n", | |
"def collate_fn(examples):\n", | |
" pixel_values = torch.stack([example[\"pixel_values\"] for example in examples])\n", | |
" labels = torch.tensor([example[\"label\"] for example in examples])\n", | |
" return {\"pixel_values\": pixel_values, \"labels\": labels}\n", | |
" " | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 17, | |
"id": "e976a734-393c-4db0-8fcf-8cd68c99fcfa", | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"name": "stderr", | |
"output_type": "stream", | |
"text": [ | |
"/home/jupyter/vit-base-patch16-224-in21k-finetuned-lora-food101 is already a clone of https://huggingface.co/sayakpaul/vit-base-patch16-224-in21k-finetuned-lora-food101. Make sure you pull the latest changes with `repo.git_pull()`.\n", | |
"/opt/conda/envs/py38/lib/python3.8/site-packages/transformers/optimization.py:306: FutureWarning: This implementation of AdamW is deprecated and will be removed in a future version. Use the PyTorch implementation torch.optim.AdamW instead, or set `no_deprecation_warning=True` to disable this warning\n", | |
" warnings.warn(\n", | |
"***** Running training *****\n", | |
" Num examples = 4500\n", | |
" Num Epochs = 3\n", | |
" Instantaneous batch size per device = 128\n", | |
" Total train batch size (w. parallel, distributed & accumulation) = 512\n", | |
" Gradient Accumulation steps = 4\n", | |
" Total optimization steps = 27\n", | |
" Number of trainable parameters = 589824\n", | |
"Automatic Weights & Biases logging enabled, to disable set os.environ[\"WANDB_DISABLED\"] = \"true\"\n", | |
"Failed to detect the name of this notebook, you can set it manually with the WANDB_NOTEBOOK_NAME environment variable to enable code saving.\n", | |
"\u001b[34m\u001b[1mwandb\u001b[0m: Currently logged in as: \u001b[33msayakpaul\u001b[0m. Use \u001b[1m`wandb login --relogin`\u001b[0m to force relogin\n" | |
] | |
}, | |
{ | |
"data": { | |
"text/html": [ | |
"Tracking run with wandb version 0.13.9" | |
], | |
"text/plain": [ | |
"<IPython.core.display.HTML object>" | |
] | |
}, | |
"metadata": {}, | |
"output_type": "display_data" | |
}, | |
{ | |
"data": { | |
"text/html": [ | |
"Run data is saved locally in <code>/home/jupyter/wandb/run-20230126_053041-gry5sv36</code>" | |
], | |
"text/plain": [ | |
"<IPython.core.display.HTML object>" | |
] | |
}, | |
"metadata": {}, | |
"output_type": "display_data" | |
}, | |
{ | |
"data": { | |
"text/html": [ | |
"Syncing run <strong><a href=\"https://wandb.ai/sayakpaul/huggingface/runs/gry5sv36\" target=\"_blank\">vit-base-patch16-224-in21k-finetuned-lora-food101</a></strong> to <a href=\"https://wandb.ai/sayakpaul/huggingface\" target=\"_blank\">Weights & Biases</a> (<a href=\"https://wandb.me/run\" target=\"_blank\">docs</a>)<br/>" | |
], | |
"text/plain": [ | |
"<IPython.core.display.HTML object>" | |
] | |
}, | |
"metadata": {}, | |
"output_type": "display_data" | |
}, | |
{ | |
"data": { | |
"text/html": [ | |
" View project at <a href=\"https://wandb.ai/sayakpaul/huggingface\" target=\"_blank\">https://wandb.ai/sayakpaul/huggingface</a>" | |
], | |
"text/plain": [ | |
"<IPython.core.display.HTML object>" | |
] | |
}, | |
"metadata": {}, | |
"output_type": "display_data" | |
}, | |
{ | |
"data": { | |
"text/html": [ | |
" View run at <a href=\"https://wandb.ai/sayakpaul/huggingface/runs/gry5sv36\" target=\"_blank\">https://wandb.ai/sayakpaul/huggingface/runs/gry5sv36</a>" | |
], | |
"text/plain": [ | |
"<IPython.core.display.HTML object>" | |
] | |
}, | |
"metadata": {}, | |
"output_type": "display_data" | |
}, | |
{ | |
"data": { | |
"text/html": [ | |
"\n", | |
" <div>\n", | |
" \n", | |
" <progress value='27' max='27' style='width:300px; height:20px; vertical-align: middle;'></progress>\n", | |
" [27/27 06:21, Epoch 3/3]\n", | |
" </div>\n", | |
" <table border=\"1\" class=\"dataframe\">\n", | |
" <thead>\n", | |
" <tr style=\"text-align: left;\">\n", | |
" <th>Epoch</th>\n", | |
" <th>Training Loss</th>\n", | |
" <th>Validation Loss</th>\n", | |
" <th>Accuracy</th>\n", | |
" </tr>\n", | |
" </thead>\n", | |
" <tbody>\n", | |
" <tr>\n", | |
" <td>1</td>\n", | |
" <td>No log</td>\n", | |
" <td>4.580509</td>\n", | |
" <td>0.020000</td>\n", | |
" </tr>\n", | |
" <tr>\n", | |
" <td>2</td>\n", | |
" <td>4.630000</td>\n", | |
" <td>4.255508</td>\n", | |
" <td>0.266000</td>\n", | |
" </tr>\n", | |
" <tr>\n", | |
" <td>3</td>\n", | |
" <td>4.393500</td>\n", | |
" <td>4.014057</td>\n", | |
" <td>0.208000</td>\n", | |
" </tr>\n", | |
" </tbody>\n", | |
"</table><p>" | |
], | |
"text/plain": [ | |
"<IPython.core.display.HTML object>" | |
] | |
}, | |
"metadata": {}, | |
"output_type": "display_data" | |
}, | |
{ | |
"name": "stderr", | |
"output_type": "stream", | |
"text": [ | |
"***** Running Evaluation *****\n", | |
" Num examples = 500\n", | |
" Batch size = 128\n", | |
"Saving model checkpoint to vit-base-patch16-224-in21k-finetuned-lora-food101/checkpoint-9\n", | |
"Configuration saved in vit-base-patch16-224-in21k-finetuned-lora-food101/checkpoint-9/config.json\n", | |
"Model weights saved in vit-base-patch16-224-in21k-finetuned-lora-food101/checkpoint-9/pytorch_model.bin\n", | |
"Image processor saved in vit-base-patch16-224-in21k-finetuned-lora-food101/checkpoint-9/preprocessor_config.json\n", | |
"Image processor saved in vit-base-patch16-224-in21k-finetuned-lora-food101/preprocessor_config.json\n", | |
"***** Running Evaluation *****\n", | |
" Num examples = 500\n", | |
" Batch size = 128\n", | |
"Saving model checkpoint to vit-base-patch16-224-in21k-finetuned-lora-food101/checkpoint-18\n", | |
"Configuration saved in vit-base-patch16-224-in21k-finetuned-lora-food101/checkpoint-18/config.json\n", | |
"Model weights saved in vit-base-patch16-224-in21k-finetuned-lora-food101/checkpoint-18/pytorch_model.bin\n", | |
"Image processor saved in vit-base-patch16-224-in21k-finetuned-lora-food101/checkpoint-18/preprocessor_config.json\n", | |
"***** Running Evaluation *****\n", | |
" Num examples = 500\n", | |
" Batch size = 128\n", | |
"Saving model checkpoint to vit-base-patch16-224-in21k-finetuned-lora-food101/checkpoint-27\n", | |
"Configuration saved in vit-base-patch16-224-in21k-finetuned-lora-food101/checkpoint-27/config.json\n", | |
"Model weights saved in vit-base-patch16-224-in21k-finetuned-lora-food101/checkpoint-27/pytorch_model.bin\n", | |
"Image processor saved in vit-base-patch16-224-in21k-finetuned-lora-food101/checkpoint-27/preprocessor_config.json\n", | |
"\n", | |
"\n", | |
"Training completed. Do not forget to share your model on huggingface.co/models =)\n", | |
"\n", | |
"\n", | |
"Loading best model from vit-base-patch16-224-in21k-finetuned-lora-food101/checkpoint-18 (score: 0.266).\n" | |
] | |
} | |
], | |
"source": [ | |
"trainer = Trainer(\n", | |
" model,\n", | |
" args,\n", | |
" train_dataset=train_ds,\n", | |
" eval_dataset=val_ds,\n", | |
" tokenizer=image_processor,\n", | |
" compute_metrics=compute_metrics,\n", | |
" data_collator=collate_fn,\n", | |
")\n", | |
"train_results = trainer.train()" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 18, | |
"id": "a7e43c37-06cb-44a2-a9cd-4836a582d8d5", | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"name": "stderr", | |
"output_type": "stream", | |
"text": [ | |
"***** Running Evaluation *****\n", | |
" Num examples = 500\n", | |
" Batch size = 128\n" | |
] | |
}, | |
{ | |
"data": { | |
"text/html": [ | |
"\n", | |
" <div>\n", | |
" \n", | |
" <progress value='4' max='4' style='width:300px; height:20px; vertical-align: middle;'></progress>\n", | |
" [4/4 00:05]\n", | |
" </div>\n", | |
" " | |
], | |
"text/plain": [ | |
"<IPython.core.display.HTML object>" | |
] | |
}, | |
"metadata": {}, | |
"output_type": "display_data" | |
}, | |
{ | |
"data": { | |
"text/plain": [ | |
"{'eval_loss': 4.2555084228515625,\n", | |
" 'eval_accuracy': 0.266,\n", | |
" 'eval_runtime': 7.5852,\n", | |
" 'eval_samples_per_second': 65.918,\n", | |
" 'eval_steps_per_second': 0.527,\n", | |
" 'epoch': 3.0}" | |
] | |
}, | |
"execution_count": 18, | |
"metadata": {}, | |
"output_type": "execute_result" | |
} | |
], | |
"source": [ | |
"trainer.evaluate(val_ds)" | |
] | |
} | |
], | |
"metadata": { | |
"environment": { | |
"kernel": "py38", | |
"name": "common-cu110.m102", | |
"type": "gcloud", | |
"uri": "gcr.io/deeplearning-platform-release/base-cu110:m102" | |
}, | |
"kernelspec": { | |
"display_name": "py38", | |
"language": "python", | |
"name": "py38" | |
}, | |
"language_info": { | |
"codemirror_mode": { | |
"name": "ipython", | |
"version": 3 | |
}, | |
"file_extension": ".py", | |
"mimetype": "text/x-python", | |
"name": "python", | |
"nbconvert_exporter": "python", | |
"pygments_lexer": "ipython3", | |
"version": "3.8.15" | |
} | |
}, | |
"nbformat": 4, | |
"nbformat_minor": 5 | |
} |
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