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[torchcodec] Improve GPU benchmark #157

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[torchcodec] Improve GPU benchmark #157

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10 changes: 5 additions & 5 deletions benchmarks/decoders/gpu_benchmark.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,16 +5,16 @@
import torch.utils.benchmark as benchmark

import torchcodec
from torchvision.transforms import Resize
import torchvision.transforms.v2.functional as F

RESIZED_WIDTH = 256
RESIZED_HEIGHT = 256


def transfer_and_resize_frame(frame, resize_device_string):
# This should be a no-op if the frame is already on the GPU.
# This should be a no-op if the frame is already on the target device.
frame = frame.to(resize_device_string)
frame = Resize((RESIZED_HEIGHT, RESIZED_WIDTH))(frame)
frame = F.resize(frame, (RESIZED_HEIGHT, RESIZED_WIDTH))
return frame


Expand Down Expand Up @@ -129,8 +129,8 @@ def main():
"resize_device_string": resize_device_string,
},
label=label,
sub_label=f"video={os.path.basename(video_path)}",
description=f"D={decode_label},R={resize_label}",
description=f"video={os.path.basename(video_path)}",
sub_label=f"D={decode_label} R={resize_label}",
).blocked_autorange()
results.append(t)
compare = benchmark.Compare(results)
Expand Down