upstream-archive/stable-diffusion.cpp
1
0
Fork 0
mirror of https://github.com/leejet/stable-diffusion.cpp.git synced 2026-07-23 11:20:53 -05:00
Code Issues Packages Projects Releases Wiki Activity

fix: use larger image VAE encode tiles (#1744)

Browse Source
This commit is contained in:
leejet
2026-07-05 18:27:07 +08:00
committed by GitHub
parent da6db07c5c
commit 2abbc773ac
1 changed files with 5 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/model/vae/vae.hpp
View File

@@ -133,7 +133,11 @@ public:
int64_t H = input.shape()[1] / scale_factor;
float tile_overlap;
int tile_size_x, tile_size_y;
get_tile_sizes(tile_size_x, tile_size_y, tile_overlap, tiling_params, W, H, 1.30539f);
// Image VAE encode is more sensitive to tile boundary context than decode.
// Keep the smaller legacy factor for video VAEs, but default image encode
// tiles to 64 latent pixels so a 512px SD image is encoded as one tile.
const float encode_tile_factor = (sd_version_is_wan(version) || sd_version_is_ltxav(version)) ? 1.30539f : 2.0f;
get_tile_sizes(tile_size_x, tile_size_y, tile_overlap, tiling_params, W, H, encode_tile_factor);
LOG_DEBUG("VAE Tile size: %dx%d", tile_size_x, tile_size_y);
output = tiled_compute(input,
n_threads,