NVIDIA/cuopt v25.08.00a

[NIGHTLY] v25.08.00

on GitHub

🔗 Links

• Development Branch
• Compare with main branch

🚨 Breaking Changes

• Fix versioning for nightly and release package (#175) @rgsl888prabhu
• Bump cuOpt and Rapids version (#55) @rgsl888prabhu

🐛 Bug Fixes

• Fix a segfault on bnatt500 due to small mu leading to inf/nan (#254) @chris-maes
• Fix a bug in basis repair. Recover from numerical issues in primal update. (#249) @chris-maes
• Unset NDEBUG in cmake in assert mode (#248) @hlinsen
• Manual cuda graph creation in load balanced bounds presolve (#242) @kaatish
• Fix assert failure on MIP problem reducing to LP after presolve (#235) @aliceb-nv
• align service api with SDK (compat with deprecations) (#227) @tmckayus
• Fix bug on initial solution size in the check and cuda set device order (#226) @akifcorduk
• No cuda graph in batched pdlp (#225) @Kh4ster
• Disable feasibility jump test for one of the dataset (#215) @rgsl888prabhu
• Fix logging levels (#201) @akifcorduk
• Fix bug in scaling of dual slacks and sign of dual variables for >= constraints (#191) @chris-maes
• Fix inversion crossover bug with pdp and prize collection (#179) @hlinsen
• Fix a bug in extract_best_per_route kernel (#156) @rg20
• Fix several bugs appeared in unit testing of JuMP interface (#149) @rg20
• Fix incorrect reported solving time (#131) @aliceb-nv
• Fix max offset (#113) @Kh4ster
• Fix batch graph capture issue caused by pinned memory allocator (#110) @Kh4ster
• Fix bug in optimization_problem_solution_t::copy_from (#109) @rg20
• Fix issue when problem has an empty problem in pdlp (#107) @Kh4ster
• Fix crash on models with variables but no constraints (#105) @aliceb-nv
• Fix inversion of constraint bounds in conditional bounds presolve (#75) @kaatish
• Fix data initialization in create depot node for max travel time feature (#74) @hlinsen

📖 Documentation

• Add link checker for doc build and test (#229) @rgsl888prabhu
• Adding few more pre-commit checks to ensure coding standards (#213) @rgsl888prabhu
• Mention GAMS and GAMSPy in third-party modeling languages page in documentation (#206) @0x17
• Enable doc build workflow and build script for PR and Nightly (#203) @rgsl888prabhu
• Fix the link to Python docs in README (#118) @Abinashbunty
• Update PR template to be concise with checklist (#73) @rgsl888prabhu

🚀 New Features

• Add python API (#223) @Iroy30
• add a simple smoketest for cvxpy integration (#199) @tmckayus

🛠️ Improvements

• Bump actions/checkout in nightly.yaml to v4 (#230) @ScottBrenner
• Add helm chart for cuopt service (#224) @rgsl888prabhu
• Remove cuda 11 specific changes from repo (#222) @rgsl888prabhu
• Heuristic Improvements with solution hash, MAB and simplex root solution (#216) @akifcorduk
• Add license headers to missing files (#210) @rgsl888prabhu
• Fix: Prevent Github language statistics from mistaking MPS files as JetBrains related (#202) @aliceb-nv
• Fix: various typos in comments and strings, note on result dir (#200) @MohdAatifSiddi
• Performance improvements to dual simplex: BFRT, hypersparsity, basis updates, primal infeasible list (#192) @chris-maes
• Feat: rework cmakelists.txt to facilitate deb file creation. (#190) @mostroot
• Add nightly container support (#180) @rgsl888prabhu
• New heuristic improvements (#178) @akifcorduk
• Fix versioning for nightly and release package (#175) @rgsl888prabhu
• Split very large tests into smaller individual test cases (#152) @vitor1001
• Fix compile error when using clang with C++20. (#145) @legrosbuffle
• Small fixes for corner cases: (#130) @vitor1001
• Small improvements on how paths are handled in tests (#129) @vitor1001
• Update cxxopts to v3.3.1 (#128) @vitor1001
• refactor(rattler): remove cuda11 options and general cleanup (#127) @gforsyth
• use 25.08 versions of RAPIDS CI workflows (#126) @jameslamb
• Relax pinnings on several dependencies, remove nvidia channel (#125) @bdice
• Several fixes needed to compile cuOpt with LLVM (#121) @vitor1001
• Use cusparsespmv_preprocess() now that Raft implements it. (#120) @vitor1001
• Fix compile error when building with clang. (#119) @legrosbuffle
• cuopt service add healthcheck for / (#114) @tmckayus
• refactor(shellcheck): fix all remaining shellcheck errors/warnings (#99) @gforsyth
• Branch 25.08 merge branch 25.05 (#95) @rgsl888prabhu
• Create a bash script to run mps files in parallel (#87) @rg20
• Branch 25.08 merge 25.05 (#79) @rgsl888prabhu
• Branch 25.08 merge 25.05 (#60) @rgsl888prabhu
• Add CTK 12.9 fatbin flags to maintain existing binary sizes (#58) @robertmaynard
• expand RAPIDS build-infra CODEOWNERS assignments (#57) @jameslamb
• Bump cuOpt and Rapids version (#55) @rgsl888prabhu
• stop uploading to downloads.rapids.ai, use rapids-init-pip in wheel CI (#50) @jameslamb
• Branch 25.08 merge 25.05 (#43) @rgsl888prabhu
• Branch 25.08 merge 25.05 (#35) @rgsl888prabhu