Commit Graph

217 Commits

Author SHA1 Message Date
comfyanonymous
1aa9cf3292 Make lowvram more aggressive on low memory machines. 2024-08-01 12:11:57 -04:00
comfyanonymous
5f98de7697 Load flux t5 in fp8 if weights are in fp8. 2024-08-01 11:05:56 -04:00
comfyanonymous
7ad574bffd Mac supports bf16 just make sure you are using the latest pytorch. 2024-08-01 09:42:17 -04:00
comfyanonymous
e2382b6adb Make lowvram less aggressive when there are large amounts of free memory. 2024-08-01 03:58:58 -04:00
comfyanonymous
6425252c4f Use fp16 as the default vae dtype for the audio VAE. 2024-06-16 13:12:54 -04:00
comfyanonymous
0ec513d877 Add a --force-channels-last to inference models in channel last mode. 2024-06-15 01:08:12 -04:00
Simon Lui
5eb98f0092
Exempt IPEX from non_blocking previews fixing segmentation faults. (#3708) 2024-06-13 18:51:14 -04:00
comfyanonymous
0e49211a11 Load the SD3 T5xxl model in the same dtype stored in the checkpoint. 2024-06-11 17:03:26 -04:00
comfyanonymous
104fcea0c8 Add function to get the list of currently loaded models. 2024-06-05 23:25:16 -04:00
comfyanonymous
b1fd26fe9e pytorch xpu should be flash or mem efficient attention? 2024-06-04 17:44:14 -04:00
comfyanonymous
b249862080 Add an annoying print to a function I want to remove. 2024-06-01 12:47:31 -04:00
comfyanonymous
bf3e334d46 Disable non_blocking when --deterministic or directml. 2024-05-30 11:07:38 -04:00
comfyanonymous
0920e0e5fe Remove some unused imports. 2024-05-27 19:08:27 -04:00
comfyanonymous
6c23854f54 Fix OSX latent2rgb previews. 2024-05-22 13:56:28 -04:00
comfyanonymous
8508df2569 Work around black image bug on Mac 14.5 by forcing attention upcasting. 2024-05-21 16:56:33 -04:00
comfyanonymous
09e069ae6c Log the pytorch version. 2024-05-20 06:22:29 -04:00
comfyanonymous
19300655dd Don't automatically switch to lowvram mode on GPUs with low memory. 2024-05-17 00:31:32 -04:00
Simon Lui
f509c6fe21
Fix Intel GPU memory allocation accuracy and documentation update. (#3459)
* Change calculation of memory total to be more accurate, allocated is actually smaller than reserved.

* Update README.md install documentation for Intel GPUs.
2024-05-12 06:36:30 -04:00
comfyanonymous
fa6dd7e5bb Fix lowvram issue with saving checkpoints.
The previous fix didn't cover the case where the model was loaded in
lowvram mode right before.
2024-05-12 06:13:45 -04:00
comfyanonymous
49c20cdc70 No longer necessary. 2024-05-12 05:34:43 -04:00
comfyanonymous
e1489ad257 Fix issue with lowvram mode breaking model saving. 2024-05-11 21:55:20 -04:00
Simon Lui
a56d02efc7
Change torch.xpu to ipex.optimize, xpu device initialization and remove workaround for text node issue from older IPEX. (#3388) 2024-05-02 03:26:50 -04:00
comfyanonymous
258dbc06c3 Fix some memory related issues. 2024-04-14 12:08:58 -04:00
comfyanonymous
0a03009808 Fix issue with controlnet models getting loaded multiple times. 2024-04-06 18:38:39 -04:00
comfyanonymous
5d8898c056 Fix some performance issues with weight loading and unloading.
Lower peak memory usage when changing model.

Fix case where model weights would be unloaded and reloaded.
2024-03-28 18:04:42 -04:00
comfyanonymous
c6de09b02e Optimize memory unload strategy for more optimized performance. 2024-03-24 02:36:30 -04:00
comfyanonymous
4b9005e949 Fix regression with model merging. 2024-03-20 13:56:12 -04:00
comfyanonymous
c18a203a8a Don't unload model weights for non weight patches. 2024-03-20 02:27:58 -04:00
comfyanonymous
db8b59ecff Lower memory usage for loras in lowvram mode at the cost of perf. 2024-03-13 20:07:27 -04:00
comfyanonymous
0ed72befe1 Change log levels.
Logging level now defaults to info. --verbose sets it to debug.
2024-03-11 13:54:56 -04:00
comfyanonymous
65397ce601 Replace prints with logging and add --verbose argument. 2024-03-10 12:14:23 -04:00
comfyanonymous
dce3555339 Add some tesla pascal GPUs to the fp16 working but slower list. 2024-03-02 17:16:31 -05:00
comfyanonymous
88f300401c Enable fp16 by default on mps. 2024-02-19 12:00:48 -05:00
comfyanonymous
929e266f3e Manual cast for bf16 on older GPUs. 2024-02-17 09:01:17 -05:00
comfyanonymous
0b3c50480c Make --force-fp32 disable loading models in bf16. 2024-02-16 23:01:54 -05:00
comfyanonymous
f83109f09b Stable Cascade Stage C. 2024-02-16 10:55:08 -05:00
comfyanonymous
aeaeca10bd Small refactor of is_device_* functions. 2024-02-15 21:10:10 -05:00
comfyanonymous
66e28ef45c Don't use is_bf16_supported to check for fp16 support. 2024-02-04 20:53:35 -05:00
comfyanonymous
24129d78e6 Speed up SDXL on 16xx series with fp16 weights and manual cast. 2024-02-04 13:23:43 -05:00
comfyanonymous
4b0239066d Always use fp16 for the text encoders. 2024-02-02 10:02:49 -05:00
comfyanonymous
f9e55d8463 Only auto enable bf16 VAE on nvidia GPUs that actually support it. 2024-01-15 03:10:22 -05:00
comfyanonymous
1b103e0cb2 Add argument to run the VAE on the CPU. 2023-12-30 05:49:07 -05:00
comfyanonymous
e1e322cf69 Load weights that can't be lowvramed to target device. 2023-12-28 21:41:10 -05:00
comfyanonymous
a252963f95 --disable-smart-memory now unloads everything like it did originally. 2023-12-23 04:25:06 -05:00
comfyanonymous
36a7953142 Greatly improve lowvram sampling speed by getting rid of accelerate.
Let me know if this breaks anything.
2023-12-22 14:38:45 -05:00
comfyanonymous
2f9d6a97ec Add --deterministic option to make pytorch use deterministic algorithms. 2023-12-17 16:59:21 -05:00
comfyanonymous
b0aab1e4ea Add an option --fp16-unet to force using fp16 for the unet. 2023-12-11 18:36:29 -05:00
comfyanonymous
ba07cb748e Use faster manual cast for fp8 in unet. 2023-12-11 18:24:44 -05:00
comfyanonymous
57926635e8 Switch text encoder to manual cast.
Use fp16 text encoder weights for CPU inference to lower memory usage.
2023-12-10 23:00:54 -05:00
comfyanonymous
340177e6e8 Disable non blocking on mps. 2023-12-10 01:30:35 -05:00
comfyanonymous
9ac0b487ac Make --gpu-only put intermediate values in GPU memory instead of cpu. 2023-12-08 02:35:45 -05:00
comfyanonymous
2db86b4676 Slightly faster lora applying. 2023-12-06 05:13:14 -05:00
comfyanonymous
ca82ade765 Use .itemsize to get dtype size for fp8. 2023-12-04 11:52:06 -05:00
comfyanonymous
31b0f6f3d8 UNET weights can now be stored in fp8.
--fp8_e4m3fn-unet and --fp8_e5m2-unet are the two different formats
supported by pytorch.
2023-12-04 11:10:00 -05:00
comfyanonymous
0cf4e86939 Add some command line arguments to store text encoder weights in fp8.
Pytorch supports two variants of fp8:
--fp8_e4m3fn-text-enc (the one that seems to give better results)
--fp8_e5m2-text-enc
2023-11-17 02:56:59 -05:00
comfyanonymous
7339479b10 Disable xformers when it can't load properly. 2023-11-13 12:31:10 -05:00
comfyanonymous
dd4ba68b6e Allow different models to estimate memory usage differently. 2023-11-12 04:03:52 -05:00
comfyanonymous
8594c8be4d Empty the cache when torch cache is more than 25% free mem. 2023-10-22 13:58:12 -04:00
comfyanonymous
c8013f73e5 Add some Quadro cards to the list of cards with broken fp16. 2023-10-16 16:48:46 -04:00
comfyanonymous
fd4c5f07e7 Add a --bf16-unet to test running the unet in bf16. 2023-10-13 14:51:10 -04:00
comfyanonymous
9a55dadb4c Refactor code so model can be a dtype other than fp32 or fp16. 2023-10-13 14:41:17 -04:00
comfyanonymous
88733c997f pytorch_attention_enabled can now return True when xformers is enabled. 2023-10-11 21:30:57 -04:00
comfyanonymous
20d3852aa1 Pull some small changes from the other repo. 2023-10-11 20:38:48 -04:00
Simon Lui
eec449ca8e Allow Intel GPUs to LoRA cast on GPU since it supports BF16 natively. 2023-09-22 21:11:27 -07:00
comfyanonymous
1cdfb3dba4 Only do the cast on the device if the device supports it. 2023-09-20 17:52:41 -04:00
comfyanonymous
321c5fa295 Enable pytorch attention by default on xpu. 2023-09-17 04:09:19 -04:00
comfyanonymous
0966d3ce82 Don't run text encoders on xpu because there are issues. 2023-09-14 12:16:07 -04:00
comfyanonymous
1938f5c5fe Add a force argument to soft_empty_cache to force a cache empty. 2023-09-04 00:58:18 -04:00
Simon Lui
4a0c4ce4ef Some fixes to generalize CUDA specific functionality to Intel or other GPUs. 2023-09-02 18:22:10 -07:00
comfyanonymous
b8c7c770d3 Enable bf16-vae by default on ampere and up. 2023-08-27 23:06:19 -04:00
comfyanonymous
a57b0c797b Fix lowvram model merging. 2023-08-26 11:52:07 -04:00
comfyanonymous
f72780a7e3 The new smart memory management makes this unnecessary. 2023-08-25 18:02:15 -04:00
comfyanonymous
30eb92c3cb Code cleanups. 2023-08-24 19:39:18 -04:00
comfyanonymous
51dde87e97 Try to free enough vram for control lora inference. 2023-08-24 17:20:54 -04:00
comfyanonymous
cc44ade79e Always shift text encoder to GPU when the device supports fp16. 2023-08-23 21:45:00 -04:00
comfyanonymous
a6ef08a46a Even with forced fp16 the cpu device should never use it. 2023-08-23 21:38:28 -04:00
comfyanonymous
f081017c1a Save memory by storing text encoder weights in fp16 in most situations.
Do inference in fp32 to make sure quality stays the exact same.
2023-08-23 01:08:51 -04:00
comfyanonymous
0d7b0a4dc7 Small cleanups. 2023-08-20 14:56:47 -04:00
Simon Lui
9225465975 Further tuning and fix mem_free_total. 2023-08-20 14:19:53 -04:00
Simon Lui
2c096e4260 Add ipex optimize and other enhancements for Intel GPUs based on recent memory changes. 2023-08-20 14:19:51 -04:00
comfyanonymous
e9469e732d --disable-smart-memory now disables loading model directly to vram. 2023-08-20 04:00:53 -04:00
comfyanonymous
3aee33b54e Add --disable-smart-memory for those that want the old behaviour. 2023-08-17 03:12:37 -04:00
comfyanonymous
2be2742711 Fix issue with regular torch version. 2023-08-17 01:58:54 -04:00
comfyanonymous
89a0767abf Smarter memory management.
Try to keep models on the vram when possible.

Better lowvram mode for controlnets.
2023-08-17 01:06:34 -04:00
comfyanonymous
1ce0d8ad68 Add CMP 30HX card to the nvidia_16_series list. 2023-08-04 12:08:45 -04:00
comfyanonymous
4a77fcd6ab Only shift text encoder to vram when CPU cores are under 8. 2023-07-31 00:08:54 -04:00
comfyanonymous
3cd31d0e24 Lower CPU thread check for running the text encoder on the CPU vs GPU. 2023-07-30 17:18:24 -04:00
comfyanonymous
22f29d66ca Try to fix memory issue with lora. 2023-07-22 21:38:56 -04:00
comfyanonymous
4760c29380 Merge branch 'fix-AttributeError-module-'torch'-has-no-attribute-'mps'' of https://github.com/KarryCharon/ComfyUI 2023-07-20 00:34:54 -04:00
comfyanonymous
18885f803a Add MX450 and MX550 to list of cards with broken fp16. 2023-07-19 03:08:30 -04:00
comfyanonymous
ff6b047a74 Fix device print on old torch version. 2023-07-17 15:18:58 -04:00
comfyanonymous
1679abd86d Add a command line argument to enable backend:cudaMallocAsync 2023-07-17 11:00:14 -04:00
comfyanonymous
5f57362613 Lower lora ram usage when in normal vram mode. 2023-07-16 02:59:04 -04:00
comfyanonymous
490771b7f4 Speed up lora loading a bit. 2023-07-15 13:25:22 -04:00
KarryCharon
3e2309f149 fix mps miss import 2023-07-12 10:06:34 +08:00
comfyanonymous
0ae81c03bb Empty cache after model unloading for normal vram and lower. 2023-07-09 09:56:03 -04:00
comfyanonymous
e7bee85df8 Add arguments to run the VAE in fp16 or bf16 for testing. 2023-07-06 23:23:46 -04:00
comfyanonymous
ddc6f12ad5 Disable autocast in unet for increased speed. 2023-07-05 21:58:29 -04:00
comfyanonymous
8d694cc450 Fix issue with OSX. 2023-07-04 02:09:02 -04:00
comfyanonymous
dc9d1f31c8 Improvements for OSX. 2023-07-03 00:08:30 -04:00