remove useless tile size slider

app.py

@@ -27,9 +27,25 @@ UltraSharp V2 — 图像超分辨率 Gradio 应用
 """
 
 import os
+import signal
+import asyncio
 import gradio as gr
 from model_loader import UltraSharpV2
 
+
+def _cleanup(*_):
+    """Space 关闭时清理 asyncio 资源，避免 Python 3.12 的 fd=-1 报错。"""
+    try:
+        loop = asyncio.get_event_loop()
+        if not loop.is_closed():
+            loop.call_soon_threadsafe(loop.stop)
+    except Exception:
+        pass
+
+
+signal.signal(signal.SIGTERM, _cleanup)
+signal.signal(signal.SIGINT, _cleanup)
+
 # ---------------------------------------------------------------------------
 # ZeroGPU 兼容层
 # ---------------------------------------------------------------------------
@@ -55,11 +71,18 @@ def _gpu(fn):
 model = UltraSharpV2(device="cpu")
 
 
+# ---------------------------------------------------------------------------
+# 推理参数（RTX PRO 6000 Blackwell / 48GB — 无需省显存）
+# ---------------------------------------------------------------------------
+_TILE_SIZE = 1024
+_TILE_OVERLAP = 48
+
+
 # ---------------------------------------------------------------------------
 # 推理函数（生成器模式 — ZeroGPU 硬性要求）
 # ---------------------------------------------------------------------------
 @_gpu
-def on_upscale(image, tile_size, tile_overlap, target_scale):
+def on_upscale(image, target_scale):
     if image is None:
         yield None, "请先上传图片"
         return
@@ -67,7 +90,7 @@ def on_upscale(image, tile_size, tile_overlap, target_scale):
     model.to_cuda()
     try:
         result, elapsed = model.upscale(
-            image, int(tile_size), int(tile_overlap), float(target_scale)
+            image, _TILE_SIZE, _TILE_OVERLAP, float(target_scale)
         )
     finally:
         model.to_cpu()
@@ -94,22 +117,6 @@ with gr.Blocks(title="UltraSharp V2") as demo:
                 step=0.05,
                 info="> 模型原生倍率时, 输出先 4x 推理再 Lanczos 缩放",
             )
-            tile_size = gr.Slider(
-                label="tile_size",
-                minimum=128,
-                maximum=1024,
-                value=512,
-                step=32,
-                info="分块大小，越小越省显存",
-            )
-            tile_overlap = gr.Slider(
-                label="tile_overlap",
-                minimum=0,
-                maximum=128,
-                value=32,
-                step=8,
-                info="块间重叠像素",
-            )
 
         with gr.Column(scale=1):
             run_btn = gr.Button("开始推理", variant="primary")
@@ -118,7 +125,7 @@ with gr.Blocks(title="UltraSharp V2") as demo:
 
     run_btn.click(
         fn=on_upscale,
-        inputs=[input_img, tile_size, tile_overlap, target_scale],
+        inputs=[input_img, target_scale],
         outputs=[output_img, status],
     )
 

requirements.txt

@@ -1,6 +1,6 @@
 torch>=2.0
 spandrel>=0.3
-gradio>=4.0
+gradio>=5.0
 Pillow
 huggingface_hub
 spaces>=0.3