Global USE flags

Flag	Description	Packages
cuda	Enable support for nVidia CUDA	2

Category USE flags

dev-python

Flag	Description	Packages
dask	Use dask for calculation.	2
dev		2
test		7

Local USE flags

dev-python

anyio

Flag	Description
curio
doc
trio

cupy

Flag	Description
cudnn	Enable support for nVidia cuDNN library
float19	Use float19 to fake float32, also advertised as tensor float32 by nVidia.
rocm	Enable AMD ROCm

cython

Flag	Description
emacs

datatable

Flag	Description
optional
tests

metakernel

Flag	Description
activity
parallel

numpyro

Flag	Description
examples

uproot3

Flag	Description
compress
testing

xgboost

Flag	Description
datatable
pandas
plotting
scikit-learn

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