Hi pdlp#2731

Closed

jajhall wants to merge 133 commits intolatestfrom

Commits on Aug 25, 2025

Added hipo, ipx and pdlp to options for solver in HighsRuntimeOptions.h
jajhall
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Commits on Aug 26, 2025

Added highs/pdlp/hipdlp and linalg.cc
jajhall
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Commits on Aug 27, 2025

Added linalg.hpp and now HiGHS builds!
jajhall
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Need to merge HiPO branch into this
jajhall
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Merge branch 'hpm-mip-ok-l' of https://github.com/ERGO-Code/HiGHS into hpm-mip-ok-l
jajhall
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Merged hpm-mip-ok-l into this branch
jajhall
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Added HiPdlpWrapper.h/cpp and unit test to run HiPDLP
jajhall
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Now included all necessary HiPDLP code, and commented out matrix preprocessing that's not c++11 compliant
jajhall
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HiPDLP now solves avgas
jajhall
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Added (and rationalised) PDLP options, and using them to set up PrimalDualParams
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Now returning solution and PDLP iteration count to HiGHS, but lack of HiPDLP postsolve means values are incorrect
jajhall
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Added Meld script
jajhall
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Bug fixes in HighsSparseMatrix::scaleCols and HighsSparseMatrix::scaleRows, and catching iteration limit in HiPDLP
jajhall
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Got Power method right, but no options not correct
jajhall
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Very sensitive to power method result; logging of HiPDLP primal and dual step lengths probably incorrect
jajhall
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Commits on Aug 28, 2025

Updated kYanyuPowerMethodDev to back-calculate RQ
jajhall
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Commits on Aug 29, 2025

Now using cuPDLP-C power method, and KKT tolerance of 1e-6 in unit test hi-pdlp
Yanyu000
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Commits on Sep 6, 2025

Replace auto with std::tie, no C++11 warning, added InitializeStepSizesPowerMetho
Yanyu000
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Commits on Sep 10, 2025

Commits on Sep 11, 2025

Commits on Sep 14, 2025

wip
Yanyu000
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Commits on Sep 17, 2025

Commits on Sep 18, 2025

wip
Yanyu000
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semi fix restart
Yanyu000
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Commits on Sep 20, 2025

Commits on Sep 24, 2025

Commits on Sep 25, 2025

fix beta calcul
Yanyu000
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Commits on Sep 26, 2025

Commits on Sep 29, 2025

wip
Yanyu000
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Commits on Sep 30, 2025

update linalg
Yanyu000
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rm step
Yanyu000
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Commits on Oct 2, 2025

wip
Yanyu000
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Commits on Oct 6, 2025

fix restart
Yanyu000
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Commits on Oct 8, 2025

fix initialize step size for adaptive step size
Yanyu000
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Commits on Oct 9, 2025

Commits on Oct 15, 2025

add projection before
Yanyu000
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Commits on Oct 16, 2025

fix offset in obj
Yanyu000
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Commits on Oct 17, 2025

fix restart with bound
Yanyu000
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Commits on Oct 18, 2025

fix reorder final y and print constraint matrix types and var type
Yanyu000
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Commits on Oct 20, 2025

Removed references to hipdlp/step.* from build files
jajhall
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Commits on Oct 21, 2025

Commits on Oct 27, 2025

add dSlackPosAvg
Yanyu000
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Commits on Oct 28, 2025

Commits on Nov 12, 2025

setup GPU and linalgGpuAx, linalgGpuATy
Yanyu000
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Commits on Nov 13, 2025

fix setupGPU
Yanyu000
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Commits on Nov 18, 2025

add launchKernelUpdateX
Yanyu000
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Commits on Nov 19, 2025

Commits on Nov 21, 2025

add checkConvergence_gpu to be verified
Yanyu000
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Commits on Nov 25, 2025

checkConvergence_gpu passes for a few cases
Yanyu000
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Commits on Nov 26, 2025

restart partially on GPU
Yanyu000
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Commits on Nov 27, 2025

wip go back to check CPU
Yanyu000
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Commits on Nov 30, 2025

seperate CPU&GPU
Yanyu000
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Commits on Dec 2, 2025

computeMovementGpu and computeNonlinearityGpu
Yanyu000
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Commits on Dec 7, 2025

use cublas
Yanyu000
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Commits on Dec 8, 2025

tidy up
Yanyu000
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use fma
Yanyu000
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Commits on Jan 6, 2026

Added GPU name and memory logging to PDLPSolver::setup; formatted
jajhall
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