run error

[Chisen-Wang]

When i run audikw_1.mtx on superlu_dist with 32 rank, i get an assert : pdgstrf: Assertion `nbrow*(st_col+num_col_stream) < buffer_size' failed. what is this mean ang how can i fix it

[xiaoyeli]

The default size (256MB) to use GPU memory exceeded. You can increase it to something a lot larger by setting the environment variable:
export SUPERLU_MAX_BUFFER_SIZE=1024000000

This paper describes the user-tunable parameters, esp. for GPU:
https://dl.acm.org/doi/full/10.1145/3577197

[jhlee508]

This worked for me.

superlu_dist/SRC/double/dSchCompUdt-gpu.c

Line 219 in eac44cf

assert(nbrow*(st_col+num_col_stream) < buffer_size);

The line in the code here should be fixed as below:

 assert(nbrow*(st_col+num_col_stream) <= buffer_size);

[xiaoyeli]

I don't think this is important. But I pushed a change in master branch. It will be in the next release.