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FORCE_SOFT_EMPTY_CACHE env var to enable cache clearing for AMD GPUs #6115

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FORCE_SOFT_EMPTY_CACHE env var to enable cache clearing for AMD GPUs #6115

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7 changes: 6 additions & 1 deletion comfy/model_management.py
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,11 @@
import platform
import weakref
import gc
import os


FORCE_SOFT_EMPTY_CACHE = os.getenv("FORCE_SOFT_EMPTY_CACHE", "0") == "1"


class VRAMState(Enum):
DISABLED = 0 #No vram present: no need to move models to vram
Expand Down Expand Up @@ -1061,7 +1066,7 @@ def supports_fp8_compute(device=None):

return True

def soft_empty_cache(force=False):
def soft_empty_cache(force: bool = FORCE_SOFT_EMPTY_CACHE):
global cpu_state
if cpu_state == CPUState.MPS:
torch.mps.empty_cache()
Expand Down
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