From bad7cb29cecac51c5c0f39afec332b007ed73133 Mon Sep 17 00:00:00 2001
From: AUTOMATIC <16777216c@gmail.com>
Date: Fri, 7 Oct 2022 10:17:52 +0300
Subject: added support for hypernetworks (???)

---
 modules/hypernetwork.py | 55 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 modules/hypernetwork.py

(limited to 'modules/hypernetwork.py')

diff --git a/modules/hypernetwork.py b/modules/hypernetwork.py
new file mode 100644
index 00000000..9ed1eed9
--- /dev/null
+++ b/modules/hypernetwork.py
@@ -0,0 +1,55 @@
+import glob
+import os
+import torch
+from modules import devices
+
+
+class HypernetworkModule(torch.nn.Module):
+    def __init__(self, dim, state_dict):
+        super().__init__()
+
+        self.linear1 = torch.nn.Linear(dim, dim * 2)
+        self.linear2 = torch.nn.Linear(dim * 2, dim)
+
+        self.load_state_dict(state_dict, strict=True)
+        self.to(devices.device)
+
+    def forward(self, x):
+        return x + (self.linear2(self.linear1(x)))
+
+
+class Hypernetwork:
+    filename = None
+    name = None
+
+    def __init__(self, filename):
+        self.filename = filename
+        self.name = os.path.splitext(os.path.basename(filename))[0]
+        self.layers = {}
+
+        state_dict = torch.load(filename, map_location='cpu')
+        for size, sd in state_dict.items():
+            self.layers[size] = (HypernetworkModule(size, sd[0]), HypernetworkModule(size, sd[1]))
+
+
+def load_hypernetworks(path):
+    res = {}
+
+    for filename in glob.iglob(path + '**/*.pt', recursive=True):
+        hn = Hypernetwork(filename)
+        res[hn.name] = hn
+
+    return res
+
+def apply(self, x, context=None, mask=None, original=None):
+
+
+    if CrossAttention.hypernetwork is not None and context.shape[2] in CrossAttention.hypernetwork:
+        if context.shape[1] == 77 and CrossAttention.noise_cond:
+            context = context + (torch.randn_like(context) * 0.1)
+        h_k, h_v = CrossAttention.hypernetwork[context.shape[2]]
+        k = self.to_k(h_k(context))
+        v = self.to_v(h_v(context))
+    else:
+        k = self.to_k(context)
+        v = self.to_v(context)
-- 
cgit v1.2.3


From 97bc0b9504572d2df80598d0b694703bcd626de6 Mon Sep 17 00:00:00 2001
From: AUTOMATIC <16777216c@gmail.com>
Date: Fri, 7 Oct 2022 13:22:50 +0300
Subject: do not stop working on failed hypernetwork load

---
 modules/hypernetwork.py | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

(limited to 'modules/hypernetwork.py')

diff --git a/modules/hypernetwork.py b/modules/hypernetwork.py
index 9ed1eed9..c5cf4afa 100644
--- a/modules/hypernetwork.py
+++ b/modules/hypernetwork.py
@@ -1,5 +1,8 @@
 import glob
 import os
+import sys
+import traceback
+
 import torch
 from modules import devices
 
@@ -36,8 +39,12 @@ def load_hypernetworks(path):
     res = {}
 
     for filename in glob.iglob(path + '**/*.pt', recursive=True):
-        hn = Hypernetwork(filename)
-        res[hn.name] = hn
+        try:
+            hn = Hypernetwork(filename)
+            res[hn.name] = hn
+        except Exception:
+            print(f"Error loading hypernetwork {filename}", file=sys.stderr)
+            print(traceback.format_exc(), file=sys.stderr)
 
     return res
 
-- 
cgit v1.2.3


From f7c787eb7c295c27439f4fbdf78c26b8389560be Mon Sep 17 00:00:00 2001
From: AUTOMATIC <16777216c@gmail.com>
Date: Fri, 7 Oct 2022 16:39:51 +0300
Subject: make it possible to use hypernetworks without opt split attention

---
 modules/hypernetwork.py | 42 ++++++++++++++++++++++++++++++++++--------
 modules/sd_hijack.py    |  6 ++++--
 2 files changed, 38 insertions(+), 10 deletions(-)

(limited to 'modules/hypernetwork.py')

diff --git a/modules/hypernetwork.py b/modules/hypernetwork.py
index c5cf4afa..c7b86682 100644
--- a/modules/hypernetwork.py
+++ b/modules/hypernetwork.py
@@ -4,7 +4,12 @@ import sys
 import traceback
 
 import torch
-from modules import devices
+
+from ldm.util import default
+from modules import devices, shared
+import torch
+from torch import einsum
+from einops import rearrange, repeat
 
 
 class HypernetworkModule(torch.nn.Module):
@@ -48,15 +53,36 @@ def load_hypernetworks(path):
 
     return res
 
-def apply(self, x, context=None, mask=None, original=None):
 
+def attention_CrossAttention_forward(self, x, context=None, mask=None):
+    h = self.heads
+
+    q = self.to_q(x)
+    context = default(context, x)
 
-    if CrossAttention.hypernetwork is not None and context.shape[2] in CrossAttention.hypernetwork:
-        if context.shape[1] == 77 and CrossAttention.noise_cond:
-            context = context + (torch.randn_like(context) * 0.1)
-        h_k, h_v = CrossAttention.hypernetwork[context.shape[2]]
-        k = self.to_k(h_k(context))
-        v = self.to_v(h_v(context))
+    hypernetwork = shared.selected_hypernetwork()
+    hypernetwork_layers = (hypernetwork.layers if hypernetwork is not None else {}).get(context.shape[2], None)
+
+    if hypernetwork_layers is not None:
+        k = self.to_k(hypernetwork_layers[0](context))
+        v = self.to_v(hypernetwork_layers[1](context))
     else:
         k = self.to_k(context)
         v = self.to_v(context)
+
+    q, k, v = map(lambda t: rearrange(t, 'b n (h d) -> (b h) n d', h=h), (q, k, v))
+
+    sim = einsum('b i d, b j d -> b i j', q, k) * self.scale
+
+    if mask is not None:
+        mask = rearrange(mask, 'b ... -> b (...)')
+        max_neg_value = -torch.finfo(sim.dtype).max
+        mask = repeat(mask, 'b j -> (b h) () j', h=h)
+        sim.masked_fill_(~mask, max_neg_value)
+
+    # attention, what we cannot get enough of
+    attn = sim.softmax(dim=-1)
+
+    out = einsum('b i j, b j d -> b i d', attn, v)
+    out = rearrange(out, '(b h) n d -> b n (h d)', h=h)
+    return self.to_out(out)
diff --git a/modules/sd_hijack.py b/modules/sd_hijack.py
index a6fa890c..d68f89cc 100644
--- a/modules/sd_hijack.py
+++ b/modules/sd_hijack.py
@@ -8,7 +8,7 @@ from torch import einsum
 from torch.nn.functional import silu
 
 import modules.textual_inversion.textual_inversion
-from modules import prompt_parser, devices, sd_hijack_optimizations, shared
+from modules import prompt_parser, devices, sd_hijack_optimizations, shared, hypernetwork
 from modules.shared import opts, device, cmd_opts
 
 import ldm.modules.attention
@@ -20,6 +20,8 @@ diffusionmodules_model_AttnBlock_forward = ldm.modules.diffusionmodules.model.At
 
 
 def apply_optimizations():
+    undo_optimizations()
+
     ldm.modules.diffusionmodules.model.nonlinearity = silu
 
     if cmd_opts.opt_split_attention_v1:
@@ -30,7 +32,7 @@ def apply_optimizations():
 
 
 def undo_optimizations():
-    ldm.modules.attention.CrossAttention.forward = attention_CrossAttention_forward
+    ldm.modules.attention.CrossAttention.forward = hypernetwork.attention_CrossAttention_forward
     ldm.modules.diffusionmodules.model.nonlinearity = diffusionmodules_model_nonlinearity
     ldm.modules.diffusionmodules.model.AttnBlock.forward = diffusionmodules_model_AttnBlock_forward
 
-- 
cgit v1.2.3


From 772db721a52da374d627b60994222051f26c27a7 Mon Sep 17 00:00:00 2001
From: ddPn08 <pyn.g.1125@gmail.com>
Date: Fri, 7 Oct 2022 23:02:07 +0900
Subject: fix glob path in hypernetwork.py

---
 modules/hypernetwork.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'modules/hypernetwork.py')

diff --git a/modules/hypernetwork.py b/modules/hypernetwork.py
index c7b86682..7f062242 100644
--- a/modules/hypernetwork.py
+++ b/modules/hypernetwork.py
@@ -43,7 +43,7 @@ class Hypernetwork:
 def load_hypernetworks(path):
     res = {}
 
-    for filename in glob.iglob(path + '**/*.pt', recursive=True):
+    for filename in glob.iglob(os.path.join(path, '**/*.pt'), recursive=True):
         try:
             hn = Hypernetwork(filename)
             res[hn.name] = hn
-- 
cgit v1.2.3


From 122d42687b97ec4df4c2a8c335d2de385cd1f1a1 Mon Sep 17 00:00:00 2001
From: Fampai <unknown>
Date: Sat, 8 Oct 2022 22:37:35 -0400
Subject: Fix VRAM Issue by only loading in hypernetwork when selected in
 settings

---
 modules/hypernetwork.py            | 23 +++++++++++++++--------
 modules/sd_hijack_optimizations.py |  6 +++---
 modules/shared.py                  |  7 ++-----
 webui.py                           |  3 +++
 4 files changed, 23 insertions(+), 16 deletions(-)

(limited to 'modules/hypernetwork.py')

diff --git a/modules/hypernetwork.py b/modules/hypernetwork.py
index 7f062242..19f1c227 100644
--- a/modules/hypernetwork.py
+++ b/modules/hypernetwork.py
@@ -40,18 +40,25 @@ class Hypernetwork:
             self.layers[size] = (HypernetworkModule(size, sd[0]), HypernetworkModule(size, sd[1]))
 
 
-def load_hypernetworks(path):
+def list_hypernetworks(path):
     res = {}
-
     for filename in glob.iglob(os.path.join(path, '**/*.pt'), recursive=True):
+        name = os.path.splitext(os.path.basename(filename))[0]
+        res[name] = filename
+    return res
+
+
+def load_hypernetwork(filename):
+    print(f"Loading hypernetwork {filename}")
+    path = shared.hypernetworks.get(filename, None)
+    if (path is not None):
         try:
-            hn = Hypernetwork(filename)
-            res[hn.name] = hn
+            shared.loaded_hypernetwork = Hypernetwork(path)
         except Exception:
-            print(f"Error loading hypernetwork {filename}", file=sys.stderr)
+            print(f"Error loading hypernetwork {path}", file=sys.stderr)
             print(traceback.format_exc(), file=sys.stderr)
-
-    return res
+    else:
+        shared.loaded_hypernetwork = None
 
 
 def attention_CrossAttention_forward(self, x, context=None, mask=None):
@@ -60,7 +67,7 @@ def attention_CrossAttention_forward(self, x, context=None, mask=None):
     q = self.to_q(x)
     context = default(context, x)
 
-    hypernetwork = shared.selected_hypernetwork()
+    hypernetwork = shared.loaded_hypernetwork
     hypernetwork_layers = (hypernetwork.layers if hypernetwork is not None else {}).get(context.shape[2], None)
 
     if hypernetwork_layers is not None:
diff --git a/modules/sd_hijack_optimizations.py b/modules/sd_hijack_optimizations.py
index c4396bb9..634fb4b2 100644
--- a/modules/sd_hijack_optimizations.py
+++ b/modules/sd_hijack_optimizations.py
@@ -28,7 +28,7 @@ def split_cross_attention_forward_v1(self, x, context=None, mask=None):
     q_in = self.to_q(x)
     context = default(context, x)
 
-    hypernetwork = shared.selected_hypernetwork()
+    hypernetwork = shared.loaded_hypernetwork
     hypernetwork_layers = (hypernetwork.layers if hypernetwork is not None else {}).get(context.shape[2], None)
 
     if hypernetwork_layers is not None:
@@ -68,7 +68,7 @@ def split_cross_attention_forward(self, x, context=None, mask=None):
     q_in = self.to_q(x)
     context = default(context, x)
 
-    hypernetwork = shared.selected_hypernetwork()
+    hypernetwork = shared.loaded_hypernetwork
     hypernetwork_layers = (hypernetwork.layers if hypernetwork is not None else {}).get(context.shape[2], None)
 
     if hypernetwork_layers is not None:
@@ -132,7 +132,7 @@ def xformers_attention_forward(self, x, context=None, mask=None):
     h = self.heads
     q_in = self.to_q(x)
     context = default(context, x)
-    hypernetwork = shared.selected_hypernetwork()
+    hypernetwork = shared.loaded_hypernetwork
     hypernetwork_layers = (hypernetwork.layers if hypernetwork is not None else {}).get(context.shape[2], None)
     if hypernetwork_layers is not None:
         k_in = self.to_k(hypernetwork_layers[0](context))
diff --git a/modules/shared.py b/modules/shared.py
index b2c76a32..9dce6cb7 100644
--- a/modules/shared.py
+++ b/modules/shared.py
@@ -79,11 +79,8 @@ parallel_processing_allowed = not cmd_opts.lowvram and not cmd_opts.medvram
 xformers_available = False
 config_filename = cmd_opts.ui_settings_file
 
-hypernetworks = hypernetwork.load_hypernetworks(os.path.join(models_path, 'hypernetworks'))
-
-
-def selected_hypernetwork():
-    return hypernetworks.get(opts.sd_hypernetwork, None)
+hypernetworks = hypernetwork.list_hypernetworks(os.path.join(models_path, 'hypernetworks'))
+loaded_hypernetwork = None
 
 
 class State:
diff --git a/webui.py b/webui.py
index 18de8e16..270584f7 100644
--- a/webui.py
+++ b/webui.py
@@ -82,6 +82,9 @@ modules.scripts.load_scripts(os.path.join(script_path, "scripts"))
 shared.sd_model = modules.sd_models.load_model()
 shared.opts.onchange("sd_model_checkpoint", wrap_queued_call(lambda: modules.sd_models.reload_model_weights(shared.sd_model)))
 
+loaded_hypernetwork = modules.hypernetwork.load_hypernetwork(shared.opts.sd_hypernetwork)
+shared.opts.onchange("sd_hypernetwork", wrap_queued_call(lambda: modules.hypernetwork.load_hypernetwork(shared.opts.sd_hypernetwork)))
+
 
 def webui():
     # make the program just exit at ctrl+c without waiting for anything
-- 
cgit v1.2.3


From 542a3d3a4a00c1383fbdaf938ceefef87cf834bb Mon Sep 17 00:00:00 2001
From: AUTOMATIC <16777216c@gmail.com>
Date: Sun, 9 Oct 2022 14:33:22 +0300
Subject: fix btoken hypernetworks in XY plot

---
 modules/hypernetwork.py | 7 +++++--
 scripts/xy_grid.py      | 9 +++------
 2 files changed, 8 insertions(+), 8 deletions(-)

(limited to 'modules/hypernetwork.py')

diff --git a/modules/hypernetwork.py b/modules/hypernetwork.py
index 19f1c227..498bc9d8 100644
--- a/modules/hypernetwork.py
+++ b/modules/hypernetwork.py
@@ -49,15 +49,18 @@ def list_hypernetworks(path):
 
 
 def load_hypernetwork(filename):
-    print(f"Loading hypernetwork {filename}")
     path = shared.hypernetworks.get(filename, None)
-    if (path is not None):
+    if path is not None:
+        print(f"Loading hypernetwork {filename}")
         try:
             shared.loaded_hypernetwork = Hypernetwork(path)
         except Exception:
             print(f"Error loading hypernetwork {path}", file=sys.stderr)
             print(traceback.format_exc(), file=sys.stderr)
     else:
+        if shared.loaded_hypernetwork is not None:
+            print(f"Unloading hypernetwork")
+
         shared.loaded_hypernetwork = None
 
 
diff --git a/scripts/xy_grid.py b/scripts/xy_grid.py
index a8f53bef..fe949067 100644
--- a/scripts/xy_grid.py
+++ b/scripts/xy_grid.py
@@ -10,7 +10,7 @@ import numpy as np
 import modules.scripts as scripts
 import gradio as gr
 
-from modules import images
+from modules import images, hypernetwork
 from modules.processing import process_images, Processed, get_correct_sampler
 from modules.shared import opts, cmd_opts, state
 import modules.shared as shared
@@ -80,8 +80,7 @@ def apply_checkpoint(p, x, xs):
 
 
 def apply_hypernetwork(p, x, xs):
-    hn = shared.hypernetworks.get(x, None)
-    opts.data["sd_hypernetwork"] = hn.name if hn is not None else 'None'
+    hypernetwork.load_hypernetwork(x)
 
 
 def format_value_add_label(p, opt, x):
@@ -203,8 +202,6 @@ class Script(scripts.Script):
 
         p.batch_size = 1
 
-        initial_hn = opts.sd_hypernetwork
-
         def process_axis(opt, vals):
             if opt.label == 'Nothing':
                 return [0]
@@ -321,6 +318,6 @@ class Script(scripts.Script):
         # restore checkpoint in case it was changed by axes
         modules.sd_models.reload_model_weights(shared.sd_model)
 
-        opts.data["sd_hypernetwork"] = initial_hn
+        hypernetwork.load_hypernetwork(opts.sd_hypernetwork)
 
         return processed
-- 
cgit v1.2.3