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Jump latent upscale fallback to spatial split

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chris.dumas
2026-09-04 08:00:06 +00:00
parent 179fa0778e
commit 30ae81b86b
5 changed files with 80 additions and 47 deletions
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dumas_h3_latent_upscale.py
+12 -10
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@@ -521,21 +521,23 @@ def _shrink_model_tile_param(param):
tile_w = int(next_param.get("tile_width", 0) or 0)
tile_h = int(next_param.get("tile_height", 0) or 0)
new_w = _halve_32(tile_w)
new_h = _halve_32(tile_h)
if new_w < 32 or new_h < 32:
if tile_w <= 0 or tile_h <= 0:
return None
if new_w >= tile_w and new_h >= tile_h:
return None
next_param["tile_width"] = new_w
next_param["tile_height"] = new_h
next_param["overlap"] = _halve_32(next_param.get("overlap", 0))
# Jump straight from a coarse specific-size tile to a conservative 2x2
# equal-grid split. That usually cuts peak VRAM much harder than halving
# the tile size through several retries.
next_param["tile_size_mode"] = "rows_cols"
next_param["grid_rows"] = 2
next_param["grid_cols"] = 2
next_param["spatial_w_overlap"] = _halve_32(next_param.get("overlap", 0))
next_param["spatial_h_overlap"] = _halve_32(next_param.get("overlap", 0))
next_param["fade_width"] = _halve_32(next_param.get("fade_width", 0))
next_param["fade_height"] = _halve_32(next_param.get("fade_height", 0))
next_param["min_tile_size"] = min(
_halve_32(next_param.get("min_tile_size", 0)),
new_w,
new_h,
max(32, _halve_32(tile_w)),
max(32, _halve_32(tile_h)),
)
return next_param