detailed mumax3 installation guide for non-experts with mac

[Emrah Turgut]

Hello, 

I am wondering if there is a detailed installation guide for mumax3. 

The one in online is really short and I can not get it working. 

If there is one detailed manual that explains to dummies with mac, that would be very helpful. 

Best Regards

Emrah

[Arne Vansteenkiste]

Could you specify what you mean with 'the one online'?

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[Emrah Turgut]

mumax3 GPU micromagnetic simulator

==================================

  * You can download binaries from http://mumax.github.io

  * You can fetch and compile the source with `go get -u -v github.com/mumax/3/...`

  * If you already have the source you can rebuild with `go install github.com/mumax/3/...`

  * If you have modified CUDA sources, rebuild with `./make.bash`

This is the one online. 

Bests

[Arne Vansteenkiste]

I suggest to look at  https://github.com/mumax/3/releases/tag/v3.8: "To install from source in Ubuntu 15.04"

The first line will obviously have to be replaced by you manually installing go, a c compiler and cuda.

The second line is cross platform :-)

Cheers,

-Arne;

[Arne Vansteenkiste]

More detailed steps would be:
Install apple xcode
Install cuda
Install go and set GOPATH to some destination
Open terminal and type:  go get -u -v github.com/mumax/3/cmd/mumax3
In case of errors copy paste your full command and output here for help.

[tfeg...@googlemail.com]

Hello,

I have a problem compiling MuMax3 on a Mac with OS X 10.11. Go is installed, go path is set, CUDA is installed. The output says:

Macintosh:~ tf$ go get -u -v github.com/mumax/3/...

github.com/mumax/3 (download)

github.com/barnex/fftw (download)

github.com/barnex/matrix (download)

github.com/mumax/3/cuda/cu

github.com/barnex/fftw/internal/double

github.com/barnex/fftw/internal/float

# github.com/barnex/fftw/internal/float

clang: error: unknown argument: '-malign-double'

clang: warning: optimization flag '-fno-schedule-insns' is not supported

# github.com/barnex/fftw/internal/double

clang: error: unknown argument: '-malign-double'

clang: warning: optimization flag '-fno-schedule-insns' is not supported

# github.com/mumax/3/cuda/cu

ld: warning: directory not found for option '-L/usr/local/cuda/lib64'

ld: warning: directory not found for option '-L/usr/local/cuda-6.0/lib64'

ld: warning: directory not found for option '-L/usr/local/cuda-6.0/lib'

ld: warning: directory not found for option '-L/usr/local/cuda-5.5/lib64'

ld: warning: directory not found for option '-L/usr/local/cuda-5.5/lib'

ld: warning: directory not found for option '-L/usr/local/cuda-5.0/lib64'

ld: warning: directory not found for option '-L/usr/local/cuda-5.0/lib'

ld: warning: directory not found for option '-L/usr/lib/x86_64-linux-gnu/'

ld: warning: directory not found for option '-L/opt/cuda/lib64'

ld: warning: directory not found for option '-L/opt/cuda/lib'

ld: file not found: @rpath/CUDA.framework/Versions/A/CUDA for architecture x86_64

clang: error: linker command failed with exit code 1 (use -v to see invocation)

Thank you

Thomas

[Mykola Dvornik]

Enjoy http://docs.nvidia.com/cuda/cuda-getting-started-guide-for-mac-os-x/

In addition, I would suggest you to use cuda7.5.20 for mac.

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 Mykola 

[Mykola Dvornik]

as for the '-malign-double' issue - it is a bit more complected since the version of clang Apple provides does not support this option.

So some trivial workaround is needed on the github.com/barnex/fftw/ side.

@barnex do you think is it reasonable to have a separate '#cgo darwin ...' entries in fftw go wrappers?

--

 Mykola 

[Arne Vansteenkiste]

go get github.com/mumax/3/cmd/mumax3

[Mykola Dvornik]

@barnex oh, so damn simple)

[Arne Vansteenkiste]

I've updated the instructions on https://github.com/mumax/3 to be somewhat more pedantic.

[Emrah Turgut]

Hi, 

Thank you very much for the instruction. I learn a lot yet I can't get ti working. 

One problem could be that I have 

 Chipset Model: Intel Iris

  Type: GPU

  Bus: Built-In

  VRAM (Dynamic, Max): 1536 MB

  Vendor: Intel (0x8086)

  Device ID: 0x0a2e

  Revision ID: 0x0009

as a graphical card. Is that be issue?

Bests

Emrah

[Mykola Dvornik]

mumax3 relies on CUDA platform and thus runs exclusively on NVidia GPUs.

Intel and AMD GPUs are not supported.

[Emrah Turgut]

That explains it. Thank you very much. 

[tfeg...@googlemail.com]

Thank you for your response. I installed CUDA 7.5.20, set the paths as mentioned in the setup document. Now I get the message:

go get github.com/mumax/3/cmd/mumax3

# github.com/mumax/3/cuda/cu

ld: warning: directory not found for option '-L/usr/local/cuda/lib64'

ld: warning: directory not found for option '-L/usr/local/cuda-6.0/lib64'

ld: warning: directory not found for option '-L/usr/local/cuda-6.0/lib'

ld: warning: directory not found for option '-L/usr/local/cuda-5.5/lib64'

ld: warning: directory not found for option '-L/usr/local/cuda-5.5/lib'

ld: warning: directory not found for option '-L/usr/local/cuda-5.0/lib64'

ld: warning: directory not found for option '-L/usr/local/cuda-5.0/lib'

ld: warning: directory not found for option '-L/usr/lib/x86_64-linux-gnu/'

ld: warning: directory not found for option '-L/opt/cuda/lib64'

ld: warning: directory not found for option '-L/opt/cuda/lib'

ld: file not found: @rpath/CUDA.framework/Versions/A/CUDA for architecture x86_64

clang: error: linker command failed with exit code 1 (use -v to see invocation)

I'd be happy if someone can help.

Best regards

Thomas

[Arne Vansteenkiste]

Where is cuda installed?

--

[tfeg...@googlemail.com]

Sorry for the late answer. The install path is:

/Developer/NVIDIA/CUDA-7.5/

with the corresponding sub folders (bin, lib, etc.).

[Arne Vansteenkiste]

Could you add that to mumax/3/cuda/*/cgoflags.go? There's 3 such files.