AMGX

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Issue #181 explains the mechanism behind `AMG_Level::A` and `AMG_Level::Aoriginal`. In a nutshell, they either point to the same matrix or `A` points to one matrix and `Aoriginal` is `NULL`. When...

mimaric

AMGX 2.2.0 invalid write error with cuda-memcheck

4

Hello, We recently move to AMGX 2.2.0 from 2.1.0 and we notice that some cases that usually run well where sometimes failing with this error: Thrust failure: after reduction step...

guignont

Can I solve Ax=b1,b2,b3 repeatedly on GPU?

6

I need to solve a series of Ax=bi,i=1.....N with the matrix A unchanged. while(time

ztdepztdep

How to disable the output during the reading of A and json file process.

2

The following feedback are generated during the running process, i want to disable it. Could you pleaes give me some infors. ``` RHS vector was not found. Using RHS b=[1,…,1]^T...

ztdepztdep

An issue from Fraunhofer-Chalmers Centre: Unit tests

11

Which unit tests are relevant and up to date? We have extensively test on different GPUs, CUDA 8 vs 9.0 and quite a few keep failing under Linux. Besides the...

bnase

CMAKE_SOURCE_DIR --> CMAKE_CURRENT_SOURCE_DIR ?

1

Hi all, I'm using AMGX as a CMake subproject. My parent project uses `add_subdirectory` to include AMGX. However, I'm running into some issues because the references to `CMAKE_SOURCE_DIR` in AMGX's...

RonRahaman

Can not compile AmgX on WSL2 Ubuntu 18.04

2

8 errors detected in the compilation of "/home/thomaschi/AMGX-main/AMGX-main/core/src/solvers/dense_lu_solver.cu". CMake Error at amgx_core_generated_dense_lu_solver.cu.o.Release.cmake:283 (message): Error generating file /home/thomaschi/AMGX-main/AMGX-main/build/core/CMakeFiles/amgx_core.dir/src/solvers/./amgx_core_generated_dense_lu_solver.cu.o core/CMakeFiles/amgx_core.dir/build.make:609: recipe for target 'core/CMakeFiles/amgx_core.dir/src/solvers/amgx_core_generated_dense_lu_solver.cu.o' failed make[2]: *** [core/CMakeFiles/amgx_core.dir/src/solvers/amgx_core_generated_dense_lu_solver.cu.o] Error 1 make[2]: ***...

ThomasCzr

Does AMGX support systems that have more than 2B unknowns?

10

stgeke

could you developers give us a detailed installation instruction on windows 10 with Cmake and vs 2019.

4

I followed your build instructions in the readme, but got stuck at the last step which is the 'make -j16 all' command in the readme. I am not familiar with...

Ning-Li-Ambition

Cross compilation of AMGX using Mingw

1

Does anyone has any information on how to use Mingw compiler for cross compilation of AMGX solvers for windows porting

Mayank-TriD