Skip to content

add --total-ram flag for controlling visible system RAM #10941

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
+16 −4
Open

add --total-ram flag for controlling visible system RAM #10941

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions comfy/cli_args.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -90,6 +90,7 @@ def __call__(self, parser, namespace, values, option_string=None):
parser.add_argument("--oneapi-device-selector", type=str, default=None, metavar="SELECTOR_STRING", help="Sets the oneAPI device(s) this instance will use.")
parser.add_argument("--disable-ipex-optimize", action="store_true", help="Disables ipex.optimize default when loading models with Intel's Extension for Pytorch.")
parser.add_argument("--supports-fp8-compute", action="store_true", help="ComfyUI will act like if the device supports fp8 compute.")
parser.add_argument("--total-ram", type=float, default=0, help="Maximum system RAM visible to comfy in GB (default 0: all)")

class LatentPreviewMethod(enum.Enum):
NoPreviews = "none"
Expand Down
19 changes: 15 additions & 4 deletions comfy/model_management.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -192,8 +192,12 @@ def get_total_memory(dev=None, torch_total_too=False):
if dev is None:
dev = get_torch_device()

if hasattr(dev, 'type') and (dev.type == 'cpu' or dev.type == 'mps'):
mem_total = psutil.virtual_memory().total
if hasattr(dev, "type") and (dev.type == "cpu" or dev.type == "mps"):
mem_total = 0
if args.total_ram != 0:
mem_total = args.total_ram * 1024 * 1024
else:
mem_total = psutil.virtual_memory().total
mem_total_torch = mem_total
else:
if directml_enabled:
Expand Down Expand Up @@ -236,8 +240,15 @@ def mac_version():
return None

total_vram = get_total_memory(get_torch_device()) / (1024 * 1024)
total_ram = psutil.virtual_memory().total / (1024 * 1024)
logging.info("Total VRAM {:0.0f} MB, total RAM {:0.0f} MB".format(total_vram, total_ram))

total_ram = 0
if args.total_ram != 0:
total_ram = args.total_ram * (1024) # arg in GB
else:
total_ram = psutil.virtual_memory().total / (1024 * 1024)
logging.info(
"Total VRAM {:0.0f} MB, total RAM {:0.0f} MB".format(total_vram, total_ram)
)

try:
logging.info("pytorch version: {}".format(torch_version))
Expand Down