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Switch the lpips computation from cpu to cuda. ~15x faster for evaluation. #428

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Switch the lpips computation from cpu to cuda. ~15x faster for evaluation. #428

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6 changes: 4 additions & 2 deletions metrics.py
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,8 @@
import torch
import torchvision.transforms.functional as tf
from utils.loss_utils import ssim
from lpipsPyTorch import lpips
#from lpipsPyTorch import lpips
import lpips
import json
from tqdm import tqdm
from utils.image_utils import psnr
Expand Down Expand Up @@ -71,7 +72,7 @@ def evaluate(model_paths):
for idx in tqdm(range(len(renders)), desc="Metric evaluation progress"):
ssims.append(ssim(renders[idx], gts[idx]))
psnrs.append(psnr(renders[idx], gts[idx]))
lpipss.append(lpips(renders[idx], gts[idx], net_type='vgg'))
lpipss.append(lpips_fn(renders[idx], gts[idx]))

print(" SSIM : {:>12.7f}".format(torch.tensor(ssims).mean(), ".5"))
print(" PSNR : {:>12.7f}".format(torch.tensor(psnrs).mean(), ".5"))
Expand All @@ -95,6 +96,7 @@ def evaluate(model_paths):
if __name__ == "__main__":
device = torch.device("cuda:0")
torch.cuda.set_device(device)
lpips_fn = lpips.LPIPS(net='vgg').to(device)

# Set up command line argument parser
parser = ArgumentParser(description="Training script parameters")
Expand Down