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| author | Deciare <1689220+deciare@users.noreply.github.com> | 2023-04-19 03:18:58 +0000 |
|---|---|---|
| committer | Deciare <1689220+deciare@users.noreply.github.comw> | 2023-04-19 03:27:46 +0000 |
| commit | d40e44ade479f7bba30d5317381cbc58c861775b (patch) | |
| tree | 40755c59268f844ba1aa8f0dcec8cf5fdb66699a /modules/sd_samplers_common.py | |
| parent | 22bcc7be428c94e9408f589966c2040187245d81 (diff) | |
| download | stable-diffusion-webui-gfx803-d40e44ade479f7bba30d5317381cbc58c861775b.tar.gz stable-diffusion-webui-gfx803-d40e44ade479f7bba30d5317381cbc58c861775b.tar.bz2 stable-diffusion-webui-gfx803-d40e44ade479f7bba30d5317381cbc58c861775b.zip | |
Option to use CPU for random number generation.
Makes a given manual seed generate the same images across different
platforms, independently of the GPU architecture in use.
Fixes #9613.
Diffstat (limited to 'modules/sd_samplers_common.py')
| -rw-r--r-- | modules/sd_samplers_common.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/modules/sd_samplers_common.py b/modules/sd_samplers_common.py index a1aac7cf..e6a372d5 100644 --- a/modules/sd_samplers_common.py +++ b/modules/sd_samplers_common.py @@ -60,3 +60,12 @@ def store_latent(decoded): class InterruptedException(BaseException):
pass
+
+if opts.use_cpu_randn:
+ import torchsde._brownian.brownian_interval
+
+ def torchsde_randn(size, dtype, device, seed):
+ generator = torch.Generator(devices.cpu).manual_seed(int(seed))
+ return torch.randn(size, dtype=dtype, device=devices.cpu, generator=generator).to(device)
+
+ torchsde._brownian.brownian_interval._randn = torchsde_randn
|