From 0fddb4a1c06a6e2122add7eee3b001a6d473baee Mon Sep 17 00:00:00 2001 From: brkirch Date: Wed, 30 Nov 2022 08:02:39 -0500 Subject: Rework MPS randn fix, add randn_like fix torch.manual_seed() already sets a CPU generator, so there is no reason to create a CPU generator manually. torch.randn_like also needs a MPS fix for k-diffusion, but a torch hijack with randn_like already exists so it can also be used for that. --- modules/devices.py | 15 +++------------ 1 file changed, 3 insertions(+), 12 deletions(-) (limited to 'modules/devices.py') diff --git a/modules/devices.py b/modules/devices.py index f00079c6..046460fa 100644 --- a/modules/devices.py +++ b/modules/devices.py @@ -66,24 +66,15 @@ dtype_vae = torch.float16 def randn(seed, shape): - # Pytorch currently doesn't handle setting randomness correctly when the metal backend is used. - if device.type == 'mps': - generator = torch.Generator(device=cpu) - generator.manual_seed(seed) - noise = torch.randn(shape, generator=generator, device=cpu).to(device) - return noise - torch.manual_seed(seed) + if device.type == 'mps': + return torch.randn(shape, device=cpu).to(device) return torch.randn(shape, device=device) def randn_without_seed(shape): - # Pytorch currently doesn't handle setting randomness correctly when the metal backend is used. if device.type == 'mps': - generator = torch.Generator(device=cpu) - noise = torch.randn(shape, generator=generator, device=cpu).to(device) - return noise - + return torch.randn(shape, device=cpu).to(device) return torch.randn(shape, device=device) -- cgit v1.2.1