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{
"cells": [
{
"cell_type": "code",
"execution_count": 2,
"id": "7ec1278b",
"metadata": {},
"outputs": [],
"source": [
"import os \n",
"os.environ[\"OMP_NUM_THREADS\"] = \"1\""
]
},
{
"cell_type": "code",
"execution_count": 3,
"id": "e6b48302",
"metadata": {},
"outputs": [],
"source": [
"from fastai.vision.all import *"
]
},
{
"cell_type": "code",
"execution_count": 4,
"id": "4af2b248",
"metadata": {},
"outputs": [
{
"name": "stderr",
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"text": [
"/Users/danielching/miniforge3/envs/fastai/lib/python3.10/site-packages/fastbook/__init__.py:11: UserWarning: Missing `ipywidgets` - please install it\n",
" except ModuleNotFoundError: warn(\"Missing `ipywidgets` - please install it\")\n"
]
}
],
"source": [
"import fastbook"
]
},
{
"cell_type": "code",
"execution_count": 5,
"id": "9b33221c",
"metadata": {},
"outputs": [],
"source": [
"from fastbook import *"
]
},
{
"cell_type": "code",
"execution_count": 6,
"id": "59089808",
"metadata": {},
"outputs": [],
"source": [
"fastbook.setup_book()"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "0f5c2587",
"metadata": {},
"outputs": [
{
"name": "stdout",
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"text": [
"Downloading a new version of this dataset...\n"
]
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"/Users/danielching/miniforge3/envs/fastai/lib/python3.10/site-packages/torchvision/models/_utils.py:208: UserWarning: The parameter 'pretrained' is deprecated since 0.13 and may be removed in the future, please use 'weights' instead.\n",
" warnings.warn(\n",
"/Users/danielching/miniforge3/envs/fastai/lib/python3.10/site-packages/torchvision/models/_utils.py:223: UserWarning: Arguments other than a weight enum or `None` for 'weights' are deprecated since 0.13 and may be removed in the future. The current behavior is equivalent to passing `weights=ResNet34_Weights.IMAGENET1K_V1`. You can also use `weights=ResNet34_Weights.DEFAULT` to get the most up-to-date weights.\n",
" warnings.warn(msg)\n",
"Downloading: \"https://download.pytorch.org/models/resnet34-b627a593.pth\" to /Users/danielching/.cache/torch/hub/checkpoints/resnet34-b627a593.pth\n",
"100%|████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████| 83.3M/83.3M [00:09<00:00, 8.84MB/s]\n"
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"\n",
"<style>\n",
" /* Turns off some styling */\n",
" progress {\n",
" /* gets rid of default border in Firefox and Opera. */\n",
" border: none;\n",
" /* Needs to be in here for Safari polyfill so background images work as expected. */\n",
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" \n",
"<table border=\"1\" class=\"dataframe\">\n",
" <thead>\n",
" <tr style=\"text-align: left;\">\n",
" <th>epoch</th>\n",
" <th>train_loss</th>\n",
" <th>valid_loss</th>\n",
" <th>error_rate</th>\n",
" <th>time</th>\n",
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"source": [
"from fastai.vision.all import *\n",
"path = untar_data(URLs.PETS)/'images'\n",
"\n",
"def is_cat(x): return x[0].isupper()\n",
"dls = ImageDataLoaders.from_name_func(\n",
" path, get_image_files(path), valid_pct=0.2, seed=42,\n",
" label_func=is_cat, item_tfms=Resize(224))\n",
"\n",
"learn = vision_learner(dls, resnet34, metrics=error_rate)\n",
"learn.fine_tune(1)"
]
},
{
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"id": "05c39c1e",
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