jinx/ComfyUI
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Add --fast argument to enable experimental optimizations.

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Optimizations that might break things/lower quality will be put behind
this flag first and might be enabled by default in the future.

Currently the only optimization is float8_e4m3fn matrix multiplication on
4000/ADA series Nvidia cards or later. If you have one of these cards you
will see a speed boost when using fp8_e4m3fn flux for example.
This commit is contained in:
comfyanonymous
2024-08-20 11:49:33 -04:00
parent d1a6bd6845
commit 9953f22fce
4 changed files with 52 additions and 5 deletions
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comfy/cli_args.py
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@@ -123,6 +123,7 @@ parser.add_argument("--default-hashing-function", type=str, choices=['md5', 'sha
parser.add_argument("--disable-smart-memory", action="store_true", help="Force ComfyUI to agressively offload to regular ram instead of keeping models in vram when it can.")
parser.add_argument("--deterministic", action="store_true", help="Make pytorch use slower deterministic algorithms when it can. Note that this might not make images deterministic in all cases.")
parser.add_argument("--fast", action="store_true", help="Enable some untested and potentially quality deteriorating optimizations.")
parser.add_argument("--dont-print-server", action="store_true", help="Don't print server output.")
parser.add_argument("--quick-test-for-ci", action="store_true", help="Quick test for CI.")