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Experimental MAS PCG solver#97

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iiiian wants to merge 7 commits intomainfrom
mas-final
Draft

Experimental MAS PCG solver#97
iiiian wants to merge 7 commits intomainfrom
mas-final

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@iiiian
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@iiiian iiiian commented Apr 20, 2026

Tested on cuda 13 only.

Compile

Pass -DPOLYSOLVE_WITH_CUDA=1 during configuration.

Important json para

"block_dim"          -> Use 1 for scalar problem, 2 for 2d problem, 3 for 3d problem.
"relative_tolerance" -> Relative residual
"absolute_tolerance" -> Absolute residual

Logging

Top enable timing break down, replace SPDLOG_TRACE with SPDLOG_INFO in source.

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