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Increase threshold for automatic HIGH_VRAM & do not offload unet when RAM < VRAM

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12 is too low a threshold for HIGH_VRAM.

Offloading unet should only be done when RAM > VRAM.
This commit is contained in:
John Slegers 2024-08-12 04:53:11 +02:00
parent 8bdaffe3b8
commit 9d48f27134
1 changed files with 2 additions and 2 deletions
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4
comfy/model_management.py
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@ -156,7 +156,7 @@ if cpu_state != CPUState.CPU:
if total_ram < 6 * (1024 * 1024 * 1024) : if total_ram < 6 * (1024 * 1024 * 1024) :
set_vram_to = VRAMState.LOW_VRAM set_vram_to = VRAMState.LOW_VRAM
lowvram_available = True lowvram_available = True
if total_ram > 12 * (1024 * 1024 * 1024) : if total_ram > 48 * (1024 * 1024 * 1024) :
vram_state = VRAMState.HIGH_VRAM vram_state = VRAMState.HIGH_VRAM
try: try:
@ -592,7 +592,7 @@ def dtype_size(dtype):
return dtype_size return dtype_size
def unet_offload_device(): def unet_offload_device():
if vram_state == VRAMState.HIGH_VRAM: if vram_state == VRAMState.HIGH_VRAM or total_ram < total_vram:
return get_torch_device() return get_torch_device()
else: else:
return torch.device("cpu") return torch.device("cpu")