amgcl

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OpenMP is enabled whenever it is found in the system

2

In CmakeLists.txt, if OpenMP is found on the system, it is unconditionally enabled: https://github.com/ddemidov/amgcl/blob/c71ab45f911771c108b1842ea7cd11b62432bbf3/CMakeLists.txt#L60-L68 However, I may want to compile my application without OpenMP even though it is installed. Currently,...

ilyapopov

Boost is unconditional dependency in CMakeLists.txt

1

In CMakeLists, boost is requires dependency: https://github.com/ddemidov/amgcl/blob/c71ab45f911771c108b1842ea7cd11b62432bbf3/CMakeLists.txt#L31-L35 although amgcl can works fine without boost with AMGCL_NO_BOOST preprocessor macro (without runtime interface). I can use amgcl by specifying include paths directly,...

ilyapopov

Linking CXX executable solver_cuda error

1

[ 39%] Linking CXX executable solver_cuda /usr/lib64/gcc/x86_64-suse-linux/7/../../../../x86_64-suse-linux/bin/ld: CMakeFiles/solver_cuda.dir/solver_cuda_intermediate_link.o: in function `__cudaRegisterLinkedBinary_38_cuda_device_runtime_compute_86_cpp1_ii_8b1a5d37': link.stub:(.text+0xad): undefined reference to `__fatbinwrap_38_cuda_device_runtime_compute_86_cpp1_ii_8b1a5d37' collect2: error: ld returned 1 exit status Could you please help me out with...

ztdepztdep

Python bindings for `amgcl`

3

Just came across this amazing repo, I was just wondering if there's any working Python interface for `amgcl`. Thank you so much!

ma-sadeghi

I am wandering about what is the difference between the amgcl and nvidia AMGX.

ztdepztdep

Why the example(poisson3Db)'s comsume time on my computer is so slower than you give?

2

Hello! I write a finite element system for my work, and I want to use amgcl to accelerate my system solving speed. but when I run the poisson3Db example or...

kju512

ILU preconditioner error

7

Hi I am trying to solve a complex number system with the ILU0 preconditioner (single level), the declaration is ```cpp typedef amgcl::backend::builtin< std::complex > Backend; typedef amgcl::make_solver< amgcl::relaxation::as_preconditioner, amgcl::solver::fgmres >...

ZhuonanLin

Does amgcl support the trillinos csrmatrix format.

7

I have a code writing with trillinos, and i want to call the amgcl routine from my trillinos code. Does amgcl supoor thtis?

ztdepztdep

PARMETIS ERROR The sum of tpwgts for constraint #0 is not 1.0

2

I am running the parallel version of the possion3d problem, when i use the parmetis, it feeds back the error. `mpiexec -np 2 ./build/amgcl ./A.bin ./b.bin rows is :85623rows is...

ztdepztdep

std::cerr << "Usage: " << argv[0] << " <matrix.bin> <rhs.bin>" << std::endl;

1

how to obtain the , what is its format?

ztdepztdep