From 8577446d6f0294a5f895aeb08b12d724bd8fba12 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20du=20Hamel?= <stephduh@live.fr>
Date: Mon, 4 Nov 2024 19:20:19 +0100
Subject: [PATCH] ignore slg if slg_scale is zero (optimization)

---
 stable-diffusion.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stable-diffusion.cpp b/stable-diffusion.cpp
index a922b5c5..d2908e9d 100644
--- a/stable-diffusion.cpp
+++ b/stable-diffusion.cpp
@@ -877,7 +877,7 @@ class StableDiffusionGGML {
                 negative_data = (float*)out_uncond->data;
             }
 
-            bool has_skiplayer     = skip_layers.size() > 0;
+            bool has_skiplayer     = skip_layers.size() > 0 && slg_scale != 0.0;
             int stepCount          = sigmas.size();
             has_skiplayer          = has_skiplayer && step > (int)(skip_layer_start * stepCount) && step < (int)(skip_layer_end * stepCount);
             float* skip_layer_data = NULL;