dwavesystems/dwave-preprocessing

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Common preprocessing tools that can aid in solving binary quadratic models (BQM).

Stars: 9
Forks: 18
Open beginner issues: 1
Indexed issues: 18

Dominant language: C++
License: Apache-2.0
Last GitHub push: Jan 27, 2026
Latest indexed: Sep 15, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

Composites show as being under the __init__ module Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

dwavesystems/dwave-preprocessing#162 · Opened Feb 2, 2026
"About" section doesn't mention CQM Open

Difficulty 1/5 Under an hour Newbie friendliness 90/100

dwavesystems/dwave-preprocessing#158 · Opened Oct 24, 2025
Consider making `SpinReveralTransformComposite` respect `initial_state` arguments Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

dwavesystems/dwave-preprocessing#134 · 1 comment · Opened Dec 14, 2023
Return SRTs from SpinReveralTransformComposite Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

dwavesystems/dwave-preprocessing#133 · Opened Nov 21, 2023
C++ tests fail to link: ld: error: undefined symbol: operator delete(void*) Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dwavesystems/dwave-preprocessing#119 · Opened Jun 18, 2023
Convert integers with 0 <= i <= 1 bounds to binary variables Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

dwavesystems/dwave-preprocessing#117 · Opened Jun 9, 2023
Mark models with no constraints as feasible in presolve Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dwavesystems/dwave-preprocessing#114 · Opened Jun 9, 2023
Use FEASIBILITY_TOLERANCE when removing redundant equality constraints Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

dwavesystems/dwave-preprocessing#107 · Opened Jun 6, 2023
Remove unusued variables in Presolve Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dwavesystems/dwave-preprocessing#98 · Opened May 8, 2023
Compress pairs variables related by linear equality Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

dwavesystems/dwave-preprocessing#75 · 1 comment · Opened Jan 18, 2023
Presolver.detach_model() should cause subsequent access to model to fail Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

dwavesystems/dwave-preprocessing#58 · Opened Nov 8, 2022
Propagate the `info` field from the child sampler Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dwavesystems/dwave-preprocessing#43 · 1 comment · Opened Jul 29, 2022
Add CutVertexComposite Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 15/100

dwavesystems/dwave-preprocessing#36 · Opened Nov 16, 2021
Increase stacklevel on UserWarning Open

bug

Difficulty 1/5 Under an hour Newbie friendliness 55/100

dwavesystems/dwave-preprocessing#25 · Opened Jul 10, 2021
Add per_variable_quadratic_range kwarg or similar to ScaleComposite Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

dwavesystems/dwave-preprocessing#20 · Opened Jun 8, 2021
Calculate more numerically accurate lower bound. Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

dwavesystems/dwave-preprocessing#16 · Opened Jun 7, 2021
Improve performance of Roof Duality through parallelization & better variable to vertex mapping. Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

dwavesystems/dwave-preprocessing#4 · Opened Dec 1, 2020
Incoroporate extended roof duality Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

dwavesystems/dwave-preprocessing#3 · Opened Nov 27, 2020

dwavesystems/dwave-preprocessing

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