Issues

• Tests hang

  ddemidov/amgcl#320 · Filter by author yurivict opened on Sep 9, 2026

• How can I output the error at each iteration step when solving it? for cases where the matrix condition number is high, how should the parameters and solution methods be set appropriately?

  ddemidov/amgcl#316 · Filter by author anshu-art opened on Jun 10, 2026
  1

• Possibility of CUDA backend solver running completely inside GPU

  ddemidov/amgcl#314 · Filter by author FabioStudart opened on Jun 4, 2026
  1

• Allocator template argument for the builtin backend

  ddemidov/amgcl#313 · Filter by author BrunoLevy opened on May 20, 2026
  2

• PATCH: build fails on i386

  ddemidov/amgcl#312 · Filter by author dkogan opened on May 16, 2026
  2

• PATCH: build without parmetis works

  ddemidov/amgcl#310 · Filter by author dkogan opened on May 11, 2026
  2

• is this setup reasonable

  ddemidov/amgcl#309 · Filter by author ziyuanbaby opened on May 6, 2026

• Solver convergence for 3D structural problem

  ddemidov/amgcl#300 · Filter by author pn2200 opened on Jan 20, 2026

• Serial solver works, while mpi parallel not works for a good conditioned block matrix

  ddemidov/amgcl#294 · Filter by author ziyuanbaby opened on Oct 7, 2025
  2

• Compiled into a python module with pybind11, the memory usage is getting bigger and bigger when called repeatedly? Why?

  ddemidov/amgcl#291 · Filter by author anabapy opened on Aug 21, 2025
  1

• Pressure possion equation problem of 2D flow around a cylinder. There exists pressure oscillation near the cylindrical wall surface.

  ddemidov/amgcl#288 · Filter by author anshu-art opened on Apr 24, 2025
  1

• int overflow when using cuda backend

  ddemidov/amgcl#287 · Filter by author amiguel256 opened on Mar 26, 2025
  4

• Adapt the poisson3DbMPI tutorial to cuda backend

  ddemidov/amgcl#286 · Filter by author rbourgeois33 opened on Mar 19, 2025
  1

• nullspace preconditioner memory overrun

  ddemidov/amgcl#285 · Filter by author iaae opened on Feb 12, 2025

• how to build matrices for the lib

  ddemidov/amgcl#281 · Filter by author nibblelab opened on Nov 26, 2024
  2

• building examples with CUDA on RTX 4070

  ddemidov/amgcl#280 · Filter by author nibblelab opened on Nov 21, 2024
  19

• Slower performance with larger number of threads on a big multiprocessor machine

  ddemidov/amgcl#279 · Filter by author BrunoLevy opened on Nov 12, 2024
  4

• pyamgcl with CUDA backend

  ddemidov/amgcl#278 · Filter by author JunHyeong1 opened on Nov 6, 2024

• Can I change matrix A without rebuilding AMG when using CUDA as backend?

  ddemidov/amgcl#277 · Filter by author pcbcos opened on Sep 10, 2024
  2

• the solver use of amgcl

  ddemidov/amgcl#276 · Filter by author gujintian1 opened on Jul 1, 2024
  2

• Get NaN on floating point precision solver

  ddemidov/amgcl#275 · Filter by author MakotoChiba opened on May 15, 2024
  2

• Julia and C Wrapper

  ddemidov/amgcl#273 · Filter by author j-fu opened on Jan 18, 2024
  2

• I do not know how to tune the amgcl to make solver converged

  ddemidov/amgcl#272 · Filter by author haoxiangNtu opened on Jan 17, 2024
  3

• How does the AMGCL library run on windows10

  ddemidov/amgcl#269 · Filter by author shenglongGuo opened on Nov 27, 2023
  1

• MPI rebuild example

  ddemidov/amgcl#266 · Filter by author neoshihchaokao opened on Oct 21, 2023
  7