examples (more likely juice itself) link-fail on both OSX and Win64 about juice HOT 6 CLOSED

yeah this means that you don't have the cublas header files installed on your computer.

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Currently the default feature set includes the cuda backend, and hence requires an additional set of libraries.

Note that using --no-default-features --features=native should remove all lib dependencies but openblas at the cost of some features and availability of certain layer types. Not that this does not work from the workspace, but only from the individual projects!

The dependency situation deems some more attention in the documentation which will be addressed soon.

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Given that the workspace level features are not yet specialized, this is a bit of sh*t situation right now, we kind of depend on rust-lang/cargo@3a976c1 landing in stable.

The only workaround right now is to edit the workspace Cargo.toml to disable cuda features by replacing the existing patches section with

[patch.crates-io]
coaster-nn = { path = "./coaster-nn" , default-features = false, features=["native"]}
coaster-blas = { path = "./coaster-blas" , default-features = false, features=["native"]}
coaster = { path = "./coaster" , default-features = false, features=["native"]}
greenglas = { path = "./greenglas" , default-features = false, features=["native"]}
juice = { path = "./juice" , default-features = false, features=["native"]}
rust-blas = { path = "./rust-blas"}
rcublas = { path = "./rcublas/cublas"}
rcublas-sys = { path = "./rcublas/cublas-sys"}
rcudnn = { path = "./rcudnn/cudnn"}
rcudnn-sys = { path = "./rcudnn/cudnn-sys"}

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Note also that the dependencies like openblas either need be made known to your pkg-config by defining addition look up dirs where the .pc files reside, or you set env vars BLAS_STATIC=1 BLAS_INCLUDE_DIR=/where/the/.h/files/are BLAS_LIB_DIR=/where/your/lib/resides BLAS_VARIANT="openblas or BLAS"

This also plays into #110

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With #121 there will be an improved landing README.md which hopefully avoids all of these struggles.

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So this should be solved if cuda 11.2+ is used with the current master-branch. Feel free to re-open.

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