Search results

Flexible ranks: add CG-hub XFEAS integration test + --ph-xfeas-spoke-rank-ratio (blocked on #729)

Status: Open.

#730 In Pyomo/mpi-sppy;

· DLWoodruff opened on May 24, 2026

CG hub deadlocks at convergence when the hub has more than one rank (best_solution_obj_val not broadcast)

Status: Open.

#729 In Pyomo/mpi-sppy;

· DLWoodruff opened on May 24, 2026

CrossScenarioCutSpoke never fetches its receive buffers (make_cut never fires); also untested

Status: Open.

#728 In Pyomo/mpi-sppy;

· DLWoodruff opened on May 24, 2026

CROSS_SCENARIO_COST buffer length is inconsistent (only correct at one rank per cylinder)

Status: Open.

#727 In Pyomo/mpi-sppy;

· DLWoodruff opened on May 24, 2026

Flexible ranks: replace fullcomm.allgather layout exchange with a scalable scheme before production use

Status: Open.

#726 In Pyomo/mpi-sppy;

· DLWoodruff opened on May 24, 2026

Tests don't constrain solver thread count

Status: Open.

#718 In Pyomo/mpi-sppy;

· DLWoodruff opened on May 22, 2026

rename _JensensMixin to reflect its generic pre-loop xhat candidate role

Status: Open.

#713 In Pyomo/mpi-sppy;

· DLWoodruff opened on May 18, 2026

FWPH: support separate mip_solver_name and qp_solver_name

Status: Open.

#712 In Pyomo/mpi-sppy;

· DLWoodruff opened on May 17, 2026

Move example auxiliary functions into <model>_auxiliary.py to declutter intro examples

Status: Open.

#676 In Pyomo/mpi-sppy;

· DLWoodruff opened on May 4, 2026

Cut-pool management for cross-scenario and xhat feasibility cuts

Status: Open.

#670 In Pyomo/mpi-sppy;

· DLWoodruff opened on Apr 23, 2026

Extensions to DW decomposition

Status: Open.

#648 In Pyomo/mpi-sppy;

· bknueven opened on Apr 3, 2026

Xhatters should optionally generate feasibility cuts

Status: Open.

#601 In Pyomo/mpi-sppy;

· bknueven opened on Jan 7, 2026