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-rw-r--r--extensions-builtin/Lora/network_oft.py37
-rw-r--r--javascript/ui.js24
2 files changed, 35 insertions, 26 deletions
diff --git a/extensions-builtin/Lora/network_oft.py b/extensions-builtin/Lora/network_oft.py
index 05c37811..fa647020 100644
--- a/extensions-builtin/Lora/network_oft.py
+++ b/extensions-builtin/Lora/network_oft.py
@@ -21,6 +21,8 @@ class NetworkModuleOFT(network.NetworkModule):
self.lin_module = None
self.org_module: list[torch.Module] = [self.sd_module]
+ self.scale = 1.0
+
# kohya-ss
if "oft_blocks" in weights.w.keys():
self.is_kohya = True
@@ -53,12 +55,18 @@ class NetworkModuleOFT(network.NetworkModule):
self.constraint = None
self.block_size, self.num_blocks = factorization(self.out_dim, self.dim)
- def calc_updown_kb(self, orig_weight, multiplier):
+ def calc_updown(self, orig_weight):
oft_blocks = self.oft_blocks.to(orig_weight.device, dtype=orig_weight.dtype)
- oft_blocks = oft_blocks - oft_blocks.transpose(1, 2) # ensure skew-symmetric orthogonal matrix
+ eye = torch.eye(self.block_size, device=self.oft_blocks.device)
+
+ if self.is_kohya:
+ block_Q = oft_blocks - oft_blocks.transpose(1, 2) # ensure skew-symmetric orthogonal matrix
+ norm_Q = torch.norm(block_Q.flatten())
+ new_norm_Q = torch.clamp(norm_Q, max=self.constraint)
+ block_Q = block_Q * ((new_norm_Q + 1e-8) / (norm_Q + 1e-8))
+ oft_blocks = torch.matmul(eye + block_Q, (eye - block_Q).float().inverse())
R = oft_blocks.to(orig_weight.device, dtype=orig_weight.dtype)
- R = R * multiplier + torch.eye(self.block_size, device=orig_weight.device)
# This errors out for MultiheadAttention, might need to be handled up-stream
merged_weight = rearrange(orig_weight, '(k n) ... -> k n ...', k=self.num_blocks, n=self.block_size)
@@ -72,26 +80,3 @@ class NetworkModuleOFT(network.NetworkModule):
updown = merged_weight.to(orig_weight.device, dtype=orig_weight.dtype) - orig_weight
output_shape = orig_weight.shape
return self.finalize_updown(updown, orig_weight, output_shape)
-
- def calc_updown(self, orig_weight):
- # if alpha is a very small number as in coft, calc_scale() will return a almost zero number so we ignore it
- multiplier = self.multiplier()
- return self.calc_updown_kb(orig_weight, multiplier)
-
- # override to remove the multiplier/scale factor; it's already multiplied in get_weight
- def finalize_updown(self, updown, orig_weight, output_shape, ex_bias=None):
- if self.bias is not None:
- updown = updown.reshape(self.bias.shape)
- updown += self.bias.to(orig_weight.device, dtype=orig_weight.dtype)
- updown = updown.reshape(output_shape)
-
- if len(output_shape) == 4:
- updown = updown.reshape(output_shape)
-
- if orig_weight.size().numel() == updown.size().numel():
- updown = updown.reshape(orig_weight.shape)
-
- if ex_bias is not None:
- ex_bias = ex_bias * self.multiplier()
-
- return updown, ex_bias
diff --git a/javascript/ui.js b/javascript/ui.js
index 410fc44e..18c9f891 100644
--- a/javascript/ui.js
+++ b/javascript/ui.js
@@ -215,9 +215,33 @@ function restoreProgressImg2img() {
}
+/**
+ * Configure the width and height elements on `tabname` to accept
+ * pasting of resolutions in the form of "width x height".
+ */
+function setupResolutionPasting(tabname) {
+ var width = gradioApp().querySelector(`#${tabname}_width input[type=number]`);
+ var height = gradioApp().querySelector(`#${tabname}_height input[type=number]`);
+ for (const el of [width, height]) {
+ el.addEventListener('paste', function(event) {
+ var pasteData = event.clipboardData.getData('text/plain');
+ var parsed = pasteData.match(/^\s*(\d+)\D+(\d+)\s*$/);
+ if (parsed) {
+ width.value = parsed[1];
+ height.value = parsed[2];
+ updateInput(width);
+ updateInput(height);
+ event.preventDefault();
+ }
+ });
+ }
+}
+
onUiLoaded(function() {
showRestoreProgressButton('txt2img', localGet("txt2img_task_id"));
showRestoreProgressButton('img2img', localGet("img2img_task_id"));
+ setupResolutionPasting('txt2img');
+ setupResolutionPasting('img2img');
});