Files
tinygrad/extra/torch_backend/example.py
George Hotz 8ef5544e4a realized PYTHON copies (#14934)
* realized PYTHON copies

* comment that out

* fix that test

* append afters

* contig

* disk copies

* should be 124

* 332
2026-02-21 20:29:31 +08:00

30 lines
1.3 KiB
Python

from PIL import Image
from tinygrad.helpers import getenv, GlobalCounters
import torch, torchvision, pathlib, warnings
import torchvision.transforms as transforms
import extra.torch_backend.backend
device = "tiny"
torch.set_default_device(device)
if __name__ == "__main__":
GlobalCounters.reset()
img = Image.open(pathlib.Path(__file__).parent.parent.parent / "test/models/efficientnet/Chicken.jpg").convert('RGB')
transform = transforms.Compose([
transforms.Resize(256), transforms.CenterCrop(224), transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225])
])
img = transform(img).unsqueeze(0).to(device)
model = torchvision.models.resnet18(weights=torchvision.models.ResNet18_Weights.DEFAULT)
if getenv("EVAL", 1): model.eval()
out = model(img).detach().cpu().numpy()
print("output:", out.shape, out.argmax())
assert out.argmax() == 7 # cock
kernel_count = GlobalCounters.kernel_count
assert kernel_count > 0, "No kernels, test failed"
# NOTE: this is 124 on torch 2.10.0
expected_kernels = 332
expectation = f"ResNet18 kernels are {kernel_count} vs {expected_kernels} expected."
if kernel_count < expected_kernels: warnings.warn(f"{expectation} Expectation can be lowered.", UserWarning)
assert kernel_count <= expected_kernels, f"{expectation}"