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import bitsandbytes as bnb
import torch
p = torch.nn.Parameter(torch.rand(10,10).cuda())
a = torch.rand(10,10).cuda()
p1 = p.data.sum().item()
adam = bnb.optim.Adam([p])
out = a*p
loss = out.sum()
loss.backward()
adam.step()
p2 = p.data.sum().item()
assert p1 != p2
print('SUCCESS!')
print('Installation was successful!') |