rename: Similarity-Adaptive Guidance → Positive-Biased Guidance (per reviewer)

- display_name changed to 'Positive-Biased Guidance' to avoid SAG acronym collision
- search_aliases expanded: mahiro, mahiro cfg, similarity-adaptive guidance, positive-biased cfg
- ruff format applied
This commit is contained in:
bymyself
2026-02-27 17:13:40 -08:00
parent 93175036fb
commit 8c41e2393b

View File

@@ -10,7 +10,7 @@ class Mahiro(io.ComfyNode):
def define_schema(cls):
return io.Schema(
node_id="Mahiro",
display_name="Similarity-Adaptive Guidance",
display_name="Positive-Biased Guidance",
category="_for_testing",
description="Modify the guidance to scale more on the 'direction' of the positive prompt rather than the difference between the negative prompt.",
inputs=[
@@ -20,28 +20,35 @@ class Mahiro(io.ComfyNode):
io.Model.Output(display_name="patched_model"),
],
is_experimental=True,
search_aliases=["mahiro", "mahiro cfg"],
search_aliases=[
"mahiro",
"mahiro cfg",
"similarity-adaptive guidance",
"positive-biased cfg",
],
)
@classmethod
def execute(cls, model) -> io.NodeOutput:
m = model.clone()
def mahiro_normd(args):
scale: float = args['cond_scale']
cond_p: torch.Tensor = args['cond_denoised']
uncond_p: torch.Tensor = args['uncond_denoised']
#naive leap
scale: float = args["cond_scale"]
cond_p: torch.Tensor = args["cond_denoised"]
uncond_p: torch.Tensor = args["uncond_denoised"]
# naive leap
leap = cond_p * scale
#sim with uncond leap
# sim with uncond leap
u_leap = uncond_p * scale
cfg = args["denoised"]
merge = (leap + cfg) / 2
normu = torch.sqrt(u_leap.abs()) * u_leap.sign()
normm = torch.sqrt(merge.abs()) * merge.sign()
sim = F.cosine_similarity(normu, normm).mean()
simsc = 2 * (sim+1)
wm = (simsc*cfg + (4-simsc)*leap) / 4
simsc = 2 * (sim + 1)
wm = (simsc * cfg + (4 - simsc) * leap) / 4
return wm
m.set_model_sampler_post_cfg_function(mahiro_normd)
return io.NodeOutput(m)