AMGX

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feature request : enable multiple instances of the resource handle

8

Hi Marat I had to open a new issue as I was not sure if you get notifications for the issue that is closed. I have one more question, So...

Jaberh

Classical AMG struggling to converge in distributed mode for singular system

4

First of all, many thanks for building this library. It is very useful and your hard work and effort is very much appreciated. I have a Pressure Poisson Equation with...

joconnor22

Warnings with xlC compiler

3

Hi all, I recently built AMGX using xlC (Version: 16) as my host compiler, while building the code I hit a number of warnings: ``warning: 1540-5200 The option "-dynamic" is...

artv3

Right-hand-side of Poisson examples should be changed

4

AMGX ships with many nice sample programs, including simple implementation of Poisson-like equations. Currently, the charge function (e.g. in A x = b, the array b) is set to 1.d0...

halpernf

Extract eigenvalues and eigenvectors from AMGX_eigensolver_handle

6

Hello, I can't sort how to extract the eigenvalues and eigenvectors from the AMGX_eigensolver_handle. I tried following the eigen_example; however it is not clear how to get this information form...

maguilo11

GPU memory usage estimation

1

AMGX is currently able to provide an estimation of the GPU memory usage. Currently, this is achieved by computing the memory used by all processes, thanks to cudaMemGetInfo function. It...

basselin7u

Where possible. Probably better to wait for CUDA 9.2 release for updated cuSolver functionality.

marsaev

How to use the mixed precision in AMGX

6

Which example provide an tutorial on the usage of the mixed precision solver in AMGX. will it provide a faster speed compared to a fully double precision computation?

ztdepztdep

Bad error message for singular matrix.

1

Downstream issue: https://github.com/JuliaGPU/AMGX.jl/issues/21. The input matrix in that issue is singular but there seems to be some issue where instead of getting a well-descriptive error message, the more general `...

KristofferC

Build error: undefined identifiers in aggregation_amg_level.cu

8

I just tried building AMGX from source, and here's the error message I got: ```shell /home/amin/Code/AMGX/src/aggregation/aggregation_amg_level.cu(1983): error: identifier "profileSubphaseFindAggregates" is undefined /home/amin/Code/AMGX/src/aggregation/aggregation_amg_level.cu(2003): error: identifier "profileSubphaseFindAggregates" is undefined /home/amin/Code/AMGX/src/aggregation/aggregation_amg_level.cu(2327): error: identifier...

ma-sadeghi