AMGX

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Caught amgx exception: Cannot allocate pinned memory?

1

I just update my cuda from 11.3 to 11.7, and I met the following error. I have tried recompiling the AMGX, but it still happening. Could you please give me...

ztdepztdep

fixed broken paths in README

1

Rename core -> src in the main README.md

aaronyicongfu

DRAFT: Replacing memory manager with cudaMallocAsync API

1

Currently proof of concept demonstrating that cudaMallocAsync can match performance of the existing custom memory allocator. This requires the threshold of the memory pool to be set (currently maxing out...

mattmartineau

Thrust namespace fix

4

Thrust now provides a workaround for issues caused by multiple libraries / applications using thrust by wrapping the thrust namespace (https://github.com/NVIDIA/thrust/releases/tag/1.14.0) This patch wraps all thrust calls in the amgx...

mattmartineau

I have new amd 6900xt, can i use AMGX to solve my problem.

1

Does AMGX support AMD gpu with opencl.

ztdepztdep

Is CUDA 10.2 still supported by the latest AMGX commit?

3

## Description Compilation errors when using NVIDIA's CUDA 10.2 Docker image (Container OS: Ubuntu 10.2; gcc 7.5) and the latest CMake (cmake 3.23.1). The error message is `nvcc fatal :...

piyueh

I would personally like to remove the consolidation feature. This includes fine and coarse level gluing. In the future I think we should revisit the coarse level gluing, but the...

mattmartineau

How to check the matrix set by "AMGX_matrix_upload_all"

1

I read in a matrix from the matrix market file and upload the matrix with "AMGX_matrix_upload_all(ADiffu, NumGlobalRows, NumGlobalNonzeros, 1, 1, &Row_Count[0], &Col_vec[0], &Val_vec[0], 0);" where Row_Count Col_vec Val_vec are the...

ztdepztdep

This is an in progress change that will reimplement many of the sparse operators and improve the structure of the code. Significant attention is focused on aggressive coarsening optimisations.

mattmartineau

AMG_Level::Aoriginal not intuitive

1

It took me quite a while to figure out what's the point of `AMG_Level::Aoriginal`. In constructor `A` and `Aoriginal` are set to point to the same newly created matrix. Then...

mimaric