AMD/ROCm - Fix VAE_KL_MEM_RATIO overestimation for modern ROCm - Added comment

2026-02-27 20:32:33 +01:00 · 2026-02-27 20:32:33 +01:00 · 9aec99ed8a
parent 2ec0fd0e00
commit 9aec99ed8a
1 changed files with 1 additions and 1 deletions
--- a/comfy/sd.py
+++ b/comfy/sd.py
@ -440,7 +440,7 @@ class VAE:
            sd = diffusers_convert.convert_vae_state_dict(sd)

        if model_management.is_amd():
-            VAE_KL_MEM_RATIO = 1.3
+            VAE_KL_MEM_RATIO = 1.3 # Conservative margin for modern ROCm 7.x, reduced from 2.73 (see PR #12685)
        else:
            VAE_KL_MEM_RATIO = 1.0