From ce95c09ce14ffbde1fcffa00a05688c63048a023 Mon Sep 17 00:00:00 2001
From: losewayy <1134285612@qq.com>
Date: Sat, 10 Oct 2026 22:33:37 +0800
Subject: [PATCH] fix: halve VAE decode tile size on OOM retry instead of
 clamping to 256px (#2120)

---
 src/core/backend_fit.cpp | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/src/core/backend_fit.cpp b/src/core/backend_fit.cpp
index 6a7ab433..84667ef3 100644
--- a/src/core/backend_fit.cpp
+++ b/src/core/backend_fit.cpp
@@ -497,11 +497,7 @@ namespace sd::backend_fit {
                 return false;
             }
             auto smaller_tile = [&](int size) {
-                int next_size = size / 2;
-                if (!tiling_params.enabled) {
-                    next_size = std::min(next_size, 256 / scale_factor);
-                }
-                return std::min(size, std::max(4, next_size));
+                return std::min(size, std::max(4, size / 2));
             };
             const int tile_size_w = smaller_tile(latent_tile_size_w);
             const int tile_size_h = smaller_tile(latent_tile_size_h);