Why does colab crash when I run this code?

[qianmoxiaogege]

with torch.no_grad():
I = align_face(frame, landmarkpredictor)
I = transform(I).unsqueeze(dim=0).to(device)
s_w = pspencoder(I)
s_w = vtoonify.zplus2wplus(s_w)
s_w[:,:7] = exstyle[:,:7]
# parsing network works best on 512x512 images, so we predict parsing maps on upsmapled frames
# followed by downsampling the parsing maps
x_p = F.interpolate(parsingpredictor(2*(F.interpolate(x, scale_factor=2, mode='bilinear', align_corners=False)))[0],
scale_factor=0.5, recompute_scale_factor=False).detach()
# we give parsing maps lower weight (1/16)
inputs = torch.cat((x, x_p/16.), dim=1)
# d_s has no effect when backbone is toonify
y_tilde = vtoonify(inputs, s_w.repeat(inputs.size(0), 1, 1), d_s = 0.5)
y_tilde = torch.clamp(y_tilde, -1, 1)

[qianmoxiaogege]

Every time I run torch, colab often crashes