Build against cuOpt 26.10: multi-GPU PDLP, new options, iteration/node reporting by 0x17 · Pull Request #20 · GAMS-dev/cuoptlink-builder

Commits on Oct 2, 2026

Build against latest cuOpt nightly wheels from RAPIDS nightly index
0x17
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5b13f78
Support multi-GPU PDLP via num_gpus -1/>1 and add multigpu_pdlp_partitioner option
0x17
committed
9f2afcb
Adapt link and bundles to split cuOpt nightly libraries (libcuopt_mathopt/client, new cuDSS mtlayer)
0x17
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56556f9
Drop PDLP reduced-cost workaround, fixed upstream in cuOpt 26.10 (NVIDIA/cuopt#1797)
0x17
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b7b2871
Document multi-GPU PDLP usage in README
0x17
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ba7bdee
Remove options dropped in cuOpt 26.10 from optcuopt.def
0x17
committed
e5bfb6d
Make multi-GPU PDLP work: create ranged problem and skip initial solutions for multi-GPU PDLP
0x17
committed
990bd1f
Document multi-GPU PDLP limitations (no starting values, different convergence)
0x17
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235e7cc
Add primal simplex method and SeDuMi barrier initial point, fix changed default in optcuopt.def
0x17
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c7a7712
Add options introduced in cuOpt 26.10 to optcuopt.def
0x17
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9a14f86
Report iterations and nodes to GAMS via cuOpt solution attributes
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5db50e0
Pass GAMS nodlim to cuOpt node_limit
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1654974
Update README: system library requirements, manual gamsconfig setup, GPU arch per CUDA version, gamslib test [skip ci]
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5cdd066
Use a harder market split instance in statuses.gms so the time-limit case cannot end early [skip ci]
0x17
committed
cadddb7
Allow model-specific time limits in the gamslib baseline, give poutil 300s [skip ci]
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11e690c
Add mip_hyper_presolve_indicator_strengthening option (cuOpt #1983) [skip ci]
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21c682b

Commits on Oct 4, 2026

build: adapt cuOpt link packaging to modular 26.10 wheels
0x17
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8edd916
Revert "build: adapt cuOpt link packaging to modular 26.10 wheels"
0x17
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4855ada
ci: pin libcuopt to last pre-modular nightly 26.10.0a223
0x17
committed
ba44887

Commits on Oct 6, 2026

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Build against cuOpt 26.10: multi-GPU PDLP, new options, iteration/node reporting - #20

Build against cuOpt 26.10: multi-GPU PDLP, new options, iteration/node reporting#20
0x17 merged 27 commits into
mainfrom
multigpu-pdlp-nightly

Commits on Oct 2, 2026

Build against latest cuOpt nightly wheels from RAPIDS nightly index

Support multi-GPU PDLP via num_gpus -1/>1 and add multigpu_pdlp_partitioner option

Adapt link and bundles to split cuOpt nightly libraries (libcuopt_mathopt/client, new cuDSS mtlayer)

Drop PDLP reduced-cost workaround, fixed upstream in cuOpt 26.10 (NVIDIA/cuopt#1797)

Document multi-GPU PDLP usage in README

Remove options dropped in cuOpt 26.10 from optcuopt.def

Make multi-GPU PDLP work: create ranged problem and skip initial solutions for multi-GPU PDLP

Document multi-GPU PDLP limitations (no starting values, different convergence)

Add primal simplex method and SeDuMi barrier initial point, fix changed default in optcuopt.def

Add options introduced in cuOpt 26.10 to optcuopt.def

Report iterations and nodes to GAMS via cuOpt solution attributes

Pass GAMS nodlim to cuOpt node_limit

Update README: system library requirements, manual gamsconfig setup, GPU arch per CUDA version, gamslib test [skip ci]

Use a harder market split instance in statuses.gms so the time-limit case cannot end early [skip ci]

Allow model-specific time limits in the gamslib baseline, give poutil 300s [skip ci]

Add mip_hyper_presolve_indicator_strengthening option (cuOpt #1983) [skip ci]

Commits on Oct 4, 2026

build: adapt cuOpt link packaging to modular 26.10 wheels

Revert "build: adapt cuOpt link packaging to modular 26.10 wheels"

ci: pin libcuopt to last pre-modular nightly 26.10.0a223

Commits on Oct 6, 2026

ci: move libcuopt pin to 26.10.0a224, a223 is gone from the nightly index

Merge main (#21, #22) into multigpu-pdlp-nightly

Commits on Oct 7, 2026

Build against latest cuOpt nightly wheels from RAPIDS nightly index (#23)

Commits on Oct 8, 2026

Add postsolve_info option (cuOpt #1639)

Commits on Oct 9, 2026

Drop cuOptCreateRangedProblem workaround, multi-GPU PDLP honors row types + RHS since cuOpt #2091 (#24)

Commits on Oct 11, 2026

Add mip_dual_degenerate_feasibility_pump, mip_primal_degenerate_pivots and mip_dual_degenerate_pivots options (cuOpt #1685)

Commits on Oct 14, 2026

Sync cuOpt options with NVIDIA/cuopt main (8eb20bd) (#25)

Commits on Oct 15, 2026

Build against released cuOpt 26.10 wheels from PyPI instead of nightlies