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Feature: Smoothed Aggregation AMG with MIS-k selectors (prototype available)

Status: Open.

#373 In NVIDIA/AMGX;

· markadams opened on May 15, 2026

Question about smoothed aggregation

Status: Open.

#369 In NVIDIA/AMGX;

· itk22 opened on Apr 21, 2026

"optimal" configuration file

Status: Open.

#367 In NVIDIA/AMGX;

· RiccardoRossi opened on Mar 27, 2026

How to set solver's parameters to eliminate isolated equations' effect?

Status: Open.

#365 In NVIDIA/AMGX;

· xiaochiyue opened on Feb 2, 2026

The official version of amgx4foam

Status: Open.

#362 In NVIDIA/AMGX;

· jyluan opened on Jan 22, 2026

AMGX 2.5.0: FGMRES/BiCGStab stagnates near 3e-3 residual on large real general system; many rows have near-zero row-sum; some AMG configs produce NaN residual

build issues

Status: Open.

#361 In NVIDIA/AMGX;

· Guo150-3 opened on Dec 24, 2025

AMGX 2.5.0 solver stagnation on large system

build issues

Status: Open.

#360 In NVIDIA/AMGX;

· Guo150-3 opened on Dec 24, 2025

[Build]

build issues

Status: Open.

#358 In NVIDIA/AMGX;

· Liekkas-xlm opened on Dec 21, 2025

[Issue]I think I might have encountered a bug. When I use the following configuration, the AMGX solver freezes. I'm not even sure if it has entered the solving state—it just stalls.

bug

Status: Open.

#353 In NVIDIA/AMGX;

· Haiqing-Fang opened on Dec 8, 2025

Are there best practices for AMGX on multiple GPUs? (NVLink)

Status: Open.

#352 In NVIDIA/AMGX;

· xiaorong117 opened on Dec 6, 2025

[Build] Difficulty building with CUDA 12.9+

build issues

Status: Open.

#351 In NVIDIA/AMGX;

· chrisrichardson opened on Nov 28, 2025

[Issue] When I set the convergence criterion to the absolute residual, the AMGX iteration log reports that “Relative residual has reached machine precision” and then stops further iterations.

bug

Status: Open.

#350 In NVIDIA/AMGX;

· Haiqing-Fang opened on Nov 22, 2025