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| author | Leon Feng <523684+leon0707@users.noreply.github.com> | 2023-07-18 04:24:14 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-07-18 04:24:14 -0400 |
| commit | a3730bd9becd2f1f5d209885b694b0dec178d110 (patch) | |
| tree | 8ac9948d89606f7519df786f07f6ddb93c3d2720 /extensions-builtin/Lora/lyco_helpers.py | |
| parent | d6668347c8b85b11b696ac56777cc396e34ee1f9 (diff) | |
| parent | 871b8687a82bb2ca907d8a49c87aed7635b8fc33 (diff) | |
Merge branch 'dev' into fix-11805
Diffstat (limited to 'extensions-builtin/Lora/lyco_helpers.py')
| -rw-r--r-- | extensions-builtin/Lora/lyco_helpers.py | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/extensions-builtin/Lora/lyco_helpers.py b/extensions-builtin/Lora/lyco_helpers.py new file mode 100644 index 00000000..279b34bc --- /dev/null +++ b/extensions-builtin/Lora/lyco_helpers.py @@ -0,0 +1,21 @@ +import torch
+
+
+def make_weight_cp(t, wa, wb):
+ temp = torch.einsum('i j k l, j r -> i r k l', t, wb)
+ return torch.einsum('i j k l, i r -> r j k l', temp, wa)
+
+
+def rebuild_conventional(up, down, shape, dyn_dim=None):
+ up = up.reshape(up.size(0), -1)
+ down = down.reshape(down.size(0), -1)
+ if dyn_dim is not None:
+ up = up[:, :dyn_dim]
+ down = down[:dyn_dim, :]
+ return (up @ down).reshape(shape)
+
+
+def rebuild_cp_decomposition(up, down, mid):
+ up = up.reshape(up.size(0), -1)
+ down = down.reshape(down.size(0), -1)
+ return torch.einsum('n m k l, i n, m j -> i j k l', mid, up, down)
|