Root heuristics - #1700

Merged

rapids-bot[bot] merged 19 commits into

mainfrom

root-heuristics

Aug 25, 2026

Commits on Aug 24, 2026

allow RINS and CPU FJ to run during the cut passes. fixed objective from submip.
nguidotti
committed
d1564fa
silent postsolve messages for submip
nguidotti
committed
e0bc53b
address coderabbit comments
nguidotti
committed
ea154a9
address more review comments
nguidotti
committed
d4a8bd5
code cleanup
nguidotti
committed
9ed4d28
wrap debug submip debug logs in a macro
nguidotti
committed
7580888
replaced oldest workers when all threads were exhausted. stop all root heuristics before B&B tree exploration.
nguidotti
committed
a8e7912
stop root heuristics before strong branching
nguidotti
committed
6f568c1
addressed a few of the reviewer comments
nguidotti
committed
f41eca5
do not limit the work unit in the CPU FJ during the cut passes. replace is_root_heuristic flag with a global one.
nguidotti
committed
fd3e327
replaced halt mechanism for the sub-MIP
nguidotti
committed
1c79fdf
fixed inverted logic
nguidotti
committed
6fec971
fixed race conditions. added more halt checks.
nguidotti
committed
f318fba
code cleanup
nguidotti
committed
d7ba47b
revert changes to the halt mechanism for sub-MIP (it was causing crashes)
nguidotti
committed
e7d2ba0
added missing halt after revert
nguidotti
committed
c3a7b29
increase time limit for the node limit test
nguidotti
committed
2dd6573
use shared_ptr to tie the lifetime of the object to the task. this allows the solver to asynchronously stop the tasks.
nguidotti
committed
66dc954
re-introduced the is_root_heuristic flag to prevent crashes during the asynchronous stop.
nguidotti
committed
83c72a7

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Root heuristics - #1700

Root heuristics#1700
rapids-bot[bot] merged 19 commits into
mainfrom
root-heuristics

Commits on Aug 24, 2026

allow RINS and CPU FJ to run during the cut passes. fixed objective from submip.

silent postsolve messages for submip

address coderabbit comments

address more review comments

code cleanup

wrap debug submip debug logs in a macro

replaced oldest workers when all threads were exhausted. stop all root heuristics before B&B tree exploration.

stop root heuristics before strong branching

addressed a few of the reviewer comments

do not limit the work unit in the CPU FJ during the cut passes. replace is_root_heuristic flag with a global one.

replaced halt mechanism for the sub-MIP

fixed inverted logic

fixed race conditions. added more halt checks.

code cleanup

revert changes to the halt mechanism for sub-MIP (it was causing crashes)

added missing halt after revert

increase time limit for the node limit test

use shared_ptr to tie the lifetime of the object to the task. this allows the solver to asynchronously stop the tasks.

re-introduced the is_root_heuristic flag to prevent crashes during the asynchronous stop.