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Added tip (from @aliencaocao) to install ninja to the @duckness guide

ClashSAN 2022-10-30 09:43:03 +00:00
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commit d023342165
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18
Xformers.md

@ -64,7 +64,23 @@ pip install wheel
7. You can finally build xFormers, note that the build will take a long time (probably 10-20minutes), it may initially complain of some errors but it should still compile correctly.
```sh
> OPTIONAL tip: To further speed up on multi-core CPU Windows systems, install ninja https://github.com/ninja-build/ninja.
> Steps to install:
> 1. download ninja-win.zip from https://github.com/ninja-build/ninja/releases and unzip
> 2. place ninja.exe under C:\Windows OR add the full path to the extracted ninja.exe into system PATH
> 3. Run ninja -h in cmd and verify if you see a help message printed
> 4. Run the follow commands to start building. It should automatically use Ninja, no extra config is needed. You should see significantly higher CPU usage (40%+).
> ```
> python setup.py build
> python setup.py bdist_wheel
> ```
> This has reduced build time on a windows PC with a AMD 5800X CPU from 1.5hr to 10min.
> Ninja is also supported on Linux and MacOS but I do not have these OS to test thus can not provide step-by-step tutorial.
8. Run the following:
```sh
python setup.py build
python setup.py bdist_wheel
```