ignore slg if slg_scale is zero (optimization)

stduhpf · stduhpf · commit 8577446d6f02 · 2024-11-04T19:21:26.000+01:00
diff --git 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;

Original file line number	Diff line number	Diff line change
`@@ -877,7 +877,7 @@ class StableDiffusionGGML {`
`877`	`877`	`negative_data = (float*)out_uncond->data;`
`878`	`878`	`}`
`879`	`879`
`880`		`- bool has_skiplayer = skip_layers.size() > 0;`
	`880`	`+ bool has_skiplayer = skip_layers.size() > 0 && slg_scale != 0.0;`
`881`	`881`	`int stepCount = sigmas.size();`
`882`	`882`	`has_skiplayer = has_skiplayer && step > (int)(skip_layer_start * stepCount) && step < (int)(skip_layer_end * stepCount);`
`883`	`883`	`float* skip_layer_data = NULL;`