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mm: Lower windows pin threshold

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Some workflows have more extranous use of shared GPU memory than is
accounted for in the 5% pin headroom. Lower this for safety.
This commit is contained in:
Rattus 2026-03-30 00:32:21 +10:00
parent a500f1edac
commit d188a67cf9
1 changed files with 2 additions and 2 deletions
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comfy/model_management.py
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@ -1326,9 +1326,9 @@ MAX_PINNED_MEMORY = -1
if not args.disable_pinned_memory:
if is_nvidia() or is_amd():
if WINDOWS:
MAX_PINNED_MEMORY = get_total_memory(torch.device("cpu")) * 0.45 # Windows limit is apparently 50%
MAX_PINNED_MEMORY = get_total_memory(torch.device("cpu")) * 0.40 # Windows limit is apparently 50%
else:
MAX_PINNED_MEMORY = get_total_memory(torch.device("cpu")) * 0.95
MAX_PINNED_MEMORY = get_total_memory(torch.device("cpu")) * 0.90
logging.info("Enabled pinned memory {}".format(MAX_PINNED_MEMORY // (1024 * 1024)))
PINNING_ALLOWED_TYPES = set(["Tensor", "Parameter", "QuantizedTensor"])