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Lower VAE loading requirements：Create a new branch for GPU memory calculations in qwen-image vae (#11199)

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Farshore 2025-12-11 11:02:26 +08:00 committed by GitHub
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commit e711aaf1a7
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1 changed files with 4 additions and 2 deletions
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comfy/sd.py
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@ -549,8 +549,10 @@ class VAE:
ddconfig = {"dim": dim, "z_dim": self.latent_channels, "dim_mult": [1, 2, 4, 4], "num_res_blocks": 2, "attn_scales": [], "temperal_downsample": [False, True, True], "dropout": 0.0}
self.first_stage_model = comfy.ldm.wan.vae.WanVAE(**ddconfig)
self.working_dtypes = [torch.bfloat16, torch.float16, torch.float32]
self.memory_used_encode = lambda shape, dtype: 6000 * shape[3] * shape[4] * model_management.dtype_size(dtype)
self.memory_used_decode = lambda shape, dtype: 7000 * shape[3] * shape[4] * (8 * 8) * model_management.dtype_size(dtype)
self.memory_used_encode = lambda shape, dtype: (1500 if shape[2]<=4 else 6000) * shape[3] * shape[4] * model_management.dtype_size(dtype)
self.memory_used_decode = lambda shape, dtype: (2200 if shape[2]<=4 else 7000) * shape[3] * shape[4] * (8*8) * model_management.dtype_size(dtype)
# Hunyuan 3d v2 2.0 & 2.1
elif "geo_decoder.cross_attn_decoder.ln_1.bias" in sd: