MIP Worker Refactor#2886

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Opt-Mucca wants to merge 248 commits intolatestfrom

Commits on Feb 20, 2025

Commits on Feb 21, 2025

WIP
galabovaa
committed

Commits on Feb 24, 2025

primal heuristics, mipworker clean, init segfault on mipdata, highsdomain
galabovaa
committed
comment out offending code, find another way to init first worker
galabovaa
committed
master worker initialized in mipdata deque from mipsolver just before restart.
galabovaa
committed

Commits on Feb 25, 2025

lprelaxation changed to ref in mipworker pointing to member of mipdata deque
galabovaa
committed

Commits on Feb 26, 2025

Commits on Feb 28, 2025

Commits on Mar 4, 2025

Commits on May 1, 2025

tweaks to get to a working state for all tests
galabovaa
committed

Commits on May 2, 2025

Commits on May 20, 2025

Introduced mip_search_concurrency option
jajhall
committed

Commits on May 21, 2025

Commits on Sep 4, 2025

Commits on Sep 9, 2025

Add master_worker.search as default
Opt-Mucca
committed

Commits on Sep 11, 2025

Commits on Sep 12, 2025

Commits on Sep 15, 2025

Add conflict pool parallelism skeleton
Opt-Mucca
committed

Commits on Sep 16, 2025

Commits on Sep 26, 2025

Commits on Sep 29, 2025

Commits on Sep 30, 2025

Commits on Oct 7, 2025

Remove redundant line. Fix order of calls
Opt-Mucca
committed

Commits on Dec 1, 2025

Rework how cutspools are handled in paralell case
Opt-Mucca
committed

Commits on Dec 3, 2025

Commits on Dec 18, 2025

Disable heuristic timers when parallel lock is active
Opt-Mucca
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Commits on Dec 19, 2025

Commits on Jan 5, 2026

Commits on Jan 6, 2026

Commits on Jan 7, 2026

Add C++ LLM black magic
Opt-Mucca
committed

Commits on Jan 8, 2026

Commits on Jan 12, 2026

Rename and tidy up
Opt-Mucca
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Commits on Jan 19, 2026

Commits on Jan 23, 2026

Commits on Jan 29, 2026

Dynamically create workers
Opt-Mucca
committed

Commits on Jan 30, 2026

Commits on Feb 2, 2026

Fix bug of skipping infeasible row activity update
Opt-Mucca
committed

Commits on Feb 3, 2026

Add an extra solution sync
Opt-Mucca
committed

Commits on Mar 2, 2026

Commits on Mar 4, 2026

Commits on Mar 5, 2026

Move assert outside loop
Opt-Mucca
committed

Commits on Mar 13, 2026

Make globaldom const in translp
Opt-Mucca
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Commits on Mar 15, 2026

Merge branch 'latest' into hmw-mt
jajhall
committed

Commits on Mar 16, 2026

Commits on Mar 17, 2026

Make thread sanitizer happy
Opt-Mucca
committed
Remove references
fwesselm
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Revert std::atomic for parallel_lock
Opt-Mucca
committed
Format. Fix pseudocost bug. Move cutpool init
Opt-Mucca
committed
Add HighsMipWorker.cpp to meson.build"
Opt-Mucca
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Add const getter functions
Opt-Mucca
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Merge branch 'hmw-mt-2' into hmw-mt
Opt-Mucca
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All tests pass
Julian Hall
committed
Added HighsSubSolverCallTime::update
Julian Hall
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Recovered timing code in HApp.h
Julian Hall
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See what's wrong
Julian Hall
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Now to modify reportSubSolverCallTime and mipTimerUpdate to handle multi-threaded timing
Julian Hall
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Highs::reportSubSolverCallTime() now multi-threaded
Julian Hall
committed

Commits on Mar 18, 2026

HighsTimer: Overriding this->printf_flag
Julian Hall
committed

Commits on Mar 26, 2026

Delete pools after highsmipworker. Check if valgrind is happy
Opt-Mucca
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Commits on Mar 31, 2026

Make std::max happy with two HighsInts
Opt-Mucca
committed

Commits on Apr 5, 2026

Introduced thread_mip_clocks_ and thread_submip_clocks_ to HighsMipAnalysis and calling setup before mipsolver.run()
Julian Hall
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Commits on Apr 6, 2026

Merged latest into this branch
Julian Hall
committed
Now starting the local HighsMipSolver timer when solving sub-MIPs
Julian Hall
committed

Commits on Apr 7, 2026

Commits on Apr 8, 2026

Restored Highs::reportSubSolverCallTime
Julian Hall
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Got a bit further!
Julian Hall
committed
flugpl runs OK; bell5 segfaults due to its submips
Julian Hall
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And bell5 finishes!
Julian Hall
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Now logging MIP and sub-MIP sub-solver times for thread 0
Julian Hall
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Commits on Apr 9, 2026

Almost there!
Julian Hall
committed

Commits on Apr 11, 2026

Commits on Apr 12, 2026

Commits on Apr 13, 2026

Merge pull request #2966 from ERGO-Code/hmw-mt-timer
jajhall
authored

Commits on Apr 15, 2026

Merge branch 'latest' of https://github.com/ERGO-Code/HiGHS into hmw-mt
fwesselm
committed

Commits on Apr 16, 2026

Merge branch 'latest' of https://github.com/ERGO-Code/HiGHS into hmw-mt
fwesselm
committed