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2022-10-10 19:09:53 -04:00

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title
macOS

:fontawesome-brands-apple: macOS

Invoke AI runs quite well on M1 Macs and we have a number of M1 users in the community.

While the repo does run on Intel Macs, we only have a couple reports. If you have an Intel Mac and run into issues, please create an issue on Github and we will do our best to help.

Requirements

macOS 12.3 Monterey or later
About 10GB of storage (and 10GB of data if your internet connection has data caps)
Any M1 Macs or an Intel Macs with 4GB+ of VRAM (ideally more)

Installation

First you need to download a large checkpoint file.

Sign up at https://huggingface.co
Go to the Stable diffusion diffusion model page
Accept the terms and click Access Repository
Download sd-v1-4.ckpt (4.27 GB) and note where you have saved it (probably the Downloads folder). You may want to move it somewhere else for longer term storage - SD needs this file to run.

While that is downloading, open Terminal and run the following commands one at a time, reading the comments and taking care to run the appropriate command for your Mac's architecture (Intel or M1).

Do not just copy and paste the whole thing into your terminal!

# Install brew (and Xcode command line tools):
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

# Now there are two options to get the Python (miniconda) environment up and running:
# 1. Alongside pyenv
# 2. Standalone
#
# If you don't know what we are talking about, choose 2.
#
# If you are familiar with python environments, you'll know there are other options
# for setting up the environment - you are on your own if you go one of those routes.

##### BEGIN TWO DIFFERENT OPTIONS #####

### BEGIN OPTION 1: Installing alongside pyenv ###
brew install pyenv-virtualenv # you might have this from before, no problem
pyenv install anaconda3-2022.05
pyenv virtualenv anaconda3-2022.05
eval "$(pyenv init -)"
pyenv activate anaconda3-2022.05
### END OPTION 1 ###

### BEGIN OPTION 2: Installing standalone ###
# Install cmake, protobuf, and rust:
brew install cmake protobuf rust

# BEGIN ARCHITECTURE-DEPENDENT STEP #
# For M1: install miniconda (M1 arm64 version):
curl https://repo.anaconda.com/miniconda/Miniconda3-latest-MacOSX-arm64.sh -o Miniconda3-latest-MacOSX-arm64.sh
/bin/bash Miniconda3-latest-MacOSX-arm64.sh

# For Intel: install miniconda (Intel x86-64 version):
curl https://repo.anaconda.com/miniconda/Miniconda3-latest-MacOSX-x86_64.sh -o Miniconda3-latest-MacOSX-x86_64.sh
/bin/bash Miniconda3-latest-MacOSX-x86_64.sh
# END ARCHITECTURE-DEPENDENT STEP #

### END OPTION 2 ###

##### END TWO DIFFERENT OPTIONS #####

# Clone the Invoke AI repo
git clone https://github.com/invoke-ai/InvokeAI.git
cd InvokeAI

### WAIT FOR THE CHECKPOINT FILE TO DOWNLOAD, THEN PROCEED ###

# We will leave the big checkpoint wherever you stashed it for long-term storage,
# and make a link to it from the repo's folder. This allows you to use it for
# other repos, and if you need to delete Invoke AI, you won't have to download it again.

# Make the directory in the repo for the symlink
mkdir -p models/ldm/stable-diffusion-v1/

# This is the folder where you put the checkpoint file `sd-v1-4.ckpt`
PATH_TO_CKPT="$HOME/Downloads"

# Create a link to the checkpoint
ln -s "$PATH_TO_CKPT/sd-v1-4.ckpt" models/ldm/stable-diffusion-v1/model.ckpt

# BEGIN ARCHITECTURE-DEPENDENT STEP #
# For M1: Create the environment & install packages
PIP_EXISTS_ACTION=w CONDA_SUBDIR=osx-arm64 conda env create -f environment-mac.yml

# For Intel: Create the environment & install packages
PIP_EXISTS_ACTION=w CONDA_SUBDIR=osx-64 conda env create -f environment-mac.yml

# END ARCHITECTURE-DEPENDENT STEP #

# Activate the environment (you need to do this every time you want to run SD)
conda activate invokeai

# This will download some bits and pieces and make take a while
python scripts/preload_models.py

# Run SD!
python scripts/dream.py

or run the web interface!

python scripts/invoke.py --web

The original scripts should work as well.

python scripts/orig_scripts/txt2img.py
--prompt "a photograph of an astronaut riding a horse"
--plms


Note, `export PIP_EXISTS_ACTION=w` is a precaution to fix `conda env
create -f environment-mac.yml` never finishing in some situations. So
it isn't required but wont hurt.
---

## Common problems

After you followed all the instructions and try to run invoke.py, you might
get several errors. Here's the errors I've seen and found solutions for.

### Is it slow?

```bash title="Be sure to specify 1 sample and 1 iteration."
python ./scripts/orig_scripts/txt2img.py \
  --prompt "ocean" \
  --ddim_steps 5 \
  --n_samples 1 \
  --n_iter 1

Doesn't work anymore?

PyTorch nightly includes support for MPS. Because of this, this setup is inherently unstable. One morning I woke up and it no longer worked no matter what I did until I switched to miniforge. However, I have another Mac that works just fine with Anaconda. If you can't get it to work, please search a little first because many of the errors will get posted and solved. If you can't find a solution please create an issue.

One debugging step is to update to the latest version of PyTorch nightly.

conda install \
  pytorch \
  torchvision \
  -c pytorch-nightly \
  -n ldm

If it takes forever to run conda env create -f environment-mac.yml, try this:

git clean -f
conda clean \
  --yes \
  --all

Or you could try to completley reset Anaconda:

```bash
conda update \
  --force-reinstall \
  -y \
  -n base \
 -c defaults conda


---

### "No module named cv2", torch, 'ldm', 'transformers', 'taming', etc

There are several causes of these errors:

1. Did you remember to `conda activate ldm`? If your terminal prompt begins with
   "(ldm)" then you activated it. If it begins with "(base)" or something else
   you haven't.

2. You might've run `./scripts/preload_models.py` or `./scripts/invoke.py`
   instead of `python ./scripts/preload_models.py` or
   `python ./scripts/invoke.py`. The cause of this error is long so it's below.

    <!-- I could not find out where the error is, otherwise would have marked it as a footnote -->

3. if it says you're missing taming you need to rebuild your virtual
   environment.

    ```bash
    conda deactivate
    conda env remove -n ldm
    conda env create -f environment-mac.yml
    ```
    
4. If you have activated the ldm virtual environment and tried rebuilding it,
   maybe the problem could be that I have something installed that you don't and
   you'll just need to manually install it. Make sure you activate the virtual
   environment so it installs there instead of globally.

    ```bash
    conda activate ldm
    pip install <package name>
    ```

You might also need to install Rust (I mention this again below).

---

### How many snakes are living in your computer?

You might have multiple Python installations on your system, in which case it's
important to be explicit and consistent about which one to use for a given
project. This is because virtual environments are coupled to the Python that
created it (and all the associated 'system-level' modules).

When you run `python` or `python3`, your shell searches the colon-delimited
locations in the `PATH` environment variable (`echo $PATH` to see that list) in
that order - first match wins. You can ask for the location of the first
`python3` found in your `PATH` with the `which` command like this:

```bash
% which python3
/usr/bin/python3

Anything in /usr/bin is part of the OS. However, /usr/bin/python3 is not actually python3, but rather a stub that offers to install Xcode (which includes python 3). If you have Xcode installed already, /usr/bin/python3 will execute /Library/Developer/CommandLineTools/usr/bin/python3 or /Applications/Xcode.app/Contents/Developer/usr/bin/python3 (depending on which Xcode you've selected with xcode-select).

Note that /usr/bin/python is an entirely different python - specifically, python 2. Note: starting in macOS 12.3, /usr/bin/python no longer exists.

% which python3
/opt/homebrew/bin/python3

If you installed python3 with Homebrew and you've modified your path to search for Homebrew binaries before system ones, you'll see the above path.

% which python
/opt/anaconda3/bin/python

If you have Anaconda installed, you will see the above path. There is a /opt/anaconda3/bin/python3 also.

We expect that /opt/anaconda3/bin/python and /opt/anaconda3/bin/python3 should actually be the same python, which you can verify by comparing the output of python3 -V and python -V.

(ldm) % which python
/Users/name/miniforge3/envs/ldm/bin/python

The above is what you'll see if you have miniforge and correctly activated the ldm environment, while usingd the standalone setup instructions above.

If you otherwise installed via pyenv, you will get this result:

(anaconda3-2022.05) % which python
/Users/name/.pyenv/shims/python

It's all a mess and you should know how to modify the path environment variable if you want to fix it. Here's a brief hint of the most common ways you can modify it (don't really have the time to explain it all here).

~/.zshrc
~/.bash_profile
~/.bashrc
/etc/paths.d
/etc/path

Which one you use will depend on what you have installed, except putting a file in /etc/paths.d - which also is the way I prefer to do.

Finally, to answer the question posed by this section's title, it may help to list all of the python / python3 things found in $PATH instead of just the first hit. To do so, add the -a switch to which:

% which -a python3
...

This will show a list of all binaries which are actually available in your PATH.

Debugging?

Tired of waiting for your renders to finish before you can see if it works? Reduce the steps! The image quality will be horrible but at least you'll get quick feedback.

python ./scripts/txt2img.py \
  --prompt "ocean" \
  --ddim_steps 5 \
  --n_samples 1 \
  --n_iter 1

OSError: Can't load tokenizer for 'openai/clip-vit-large-patch14'

python scripts/preload_models.py

"The operator [name] is not current implemented for the MPS device." (sic)

!!! example "example error"

```bash
... NotImplementedError: The operator 'aten::_index_put_impl_' is not current
implemented for the MPS device. If you want this op to be added in priority
during the prototype phase of this feature, please comment on
https://github.com/pytorch/pytorch/issues/77764.
As a temporary fix, you can set the environment variable
`PYTORCH_ENABLE_MPS_FALLBACK=1` to use the CPU as a fallback for this op.
WARNING: this will be slower than running natively on MPS.
```

The InvokeAI version includes this fix in environment-mac.yml.

"Could not build wheels for tokenizers"

I have not seen this error because I had Rust installed on my computer before I started playing with Stable Diffusion. The fix is to install Rust.

curl \
  --proto '=https' \
  --tlsv1.2 \
  -sSf https://sh.rustup.rs | sh

How come `--seed` doesn't work?

First this:

Completely reproducible results are not guaranteed across PyTorch releases, individual commits, or different platforms. Furthermore, results may not be reproducible between CPU and GPU executions, even when using identical seeds.

PyTorch docs

Second, we might have a fix that at least gets a consistent seed sort of. We're still working on it.

libiomp5.dylib error?

OMP: Error #15: Initializing libiomp5.dylib, but found libomp.dylib already initialized.

You are likely using an Intel package by mistake. Be sure to run conda with the environment variable CONDA_SUBDIR=osx-arm64, like so:

CONDA_SUBDIR=osx-arm64 conda install ...

This error happens with Anaconda on Macs when the Intel-only mkl is pulled in by a dependency. nomkl is a metapackage designed to prevent this, by making it impossible to install mkl, but if your environment is already broken it may not work.

Do not use os.environ['KMP_DUPLICATE_LIB_OK']='True' or equivalents as this masks the underlying issue of using Intel packages.

Not enough memory

This seems to be a common problem and is probably the underlying problem for a lot of symptoms (listed below). The fix is to lower your image size or to add model.half() right after the model is loaded. I should probably test it out. I've read that the reason this fixes problems is because it converts the model from 32-bit to 16-bit and that leaves more RAM for other things. I have no idea how that would affect the quality of the images though.

See this issue.

"Error: product of dimension sizes > 2**31'"

This error happens with img2img, which I haven't played with too much yet. But I know it's because your image is too big or the resolution isn't a multiple of 32x32. Because the stable-diffusion model was trained on images that were 512 x 512, it's always best to use that output size (which is the default). However, if you're using that size and you get the above error, try 256 x 256 or 512 x 256 or something as the source image.

BTW, 2**31-1 = 2,147,483,647, which is also 32-bit signed LONG_MAX in C.

I just got Rickrolled! Do I have a virus?

You don't have a virus. It's part of the project. Here's Rick and here's the code that swaps him in. It's a NSFW filter, which IMO, doesn't work very good (and we call this "computer vision", sheesh).

My images come out black

We might have this fixed, we are still testing.

There's a similar issue on CUDA GPU's where the images come out green. Maybe it's the same issue? Someone in that issue says to use "--precision full", but this fork actually disables that flag. I don't know why, someone else provided that code and I don't know what it does. Maybe the model.half() suggestion above would fix this issue too. I should probably test it.

"view size is not compatible with input tensor's size and stride"

File "/opt/anaconda3/envs/ldm/lib/python3.10/site-packages/torch/nn/functional.py", line 2511, in layer_norm
return torch.layer_norm(input, normalized_shape, weight, bias, eps, torch.backends.cudnn.enabled)
RuntimeError: view size is not compatible with input tensor's size and stride (at least one dimension spans across two contiguous subspaces). Use .reshape(...) instead.

Update to the latest version of invoke-ai/InvokeAI. We were patching pytorch but we found a file in stable-diffusion that we could change instead. This is a 32-bit vs 16-bit problem.

The processor must support the Intel bla bla bla

What? Intel? On an Apple Silicon?

Intel MKL FATAL ERROR: This system does not meet the minimum requirements for use of the Intel(R) Math Kernel Library. The processor must support the Intel(R) Supplemental Streaming SIMD Extensions 3 (Intel(R) SSSE3) instructions. The processor must support the Intel(R) Streaming SIMD Extensions 4.2 (Intel(R) SSE4.2) instructions. The processor must support the Intel(R) Advanced Vector Extensions (Intel(R) AVX) instructions.

This is due to the Intel mkl package getting picked up when you try to install something that depends on it-- Rosetta can translate some Intel instructions but not the specialized ones here. To avoid this, make sure to use the environment variable CONDA_SUBDIR=osx-arm64, which restricts the Conda environment to only use ARM packages, and use nomkl as described above.

input types 'tensor<2x1280xf32>' and 'tensor<*xf16>' are not broadcast compatible

May appear when just starting to generate, e.g.:

invoke> clouds
Generating:   0%|                                                              | 0/1 [00:00<?, ?it/s]/Users/[...]/dev/stable-diffusion/ldm/modules/embedding_manager.py:152: UserWarning: The operator 'aten::nonzero' is not currently supported on the MPS backend and will fall back to run on the CPU. This may have performance implications. (Triggered internally at /Users/runner/work/_temp/anaconda/conda-bld/pytorch_1662016319283/work/aten/src/ATen/mps/MPSFallback.mm:11.)
  placeholder_idx = torch.where(
                                                                                                    loc("mps_add"("(mpsFileLoc): /AppleInternal/Library/BuildRoots/20d6c351-ee94-11ec-bcaf-7247572f23b4/Library/Caches/com.apple.xbs/Sources/MetalPerformanceShadersGraph/mpsgraph/MetalPerformanceShadersGraph/Core/Files/MPSGraphUtilities.mm":219:0)): error: input types 'tensor<2x1280xf32>' and 'tensor<*xf16>' are not broadcast compatible
LLVM ERROR: Failed to infer result type(s).
Abort trap: 6
/Users/[...]/opt/anaconda3/envs/ldm/lib/python3.9/multiprocessing/resource_tracker.py:216: UserWarning: resource_tracker: There appear to be 1 leaked semaphore objects to clean up at shutdown
  warnings.warn('resource_tracker: There appear to be %d '

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