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jajhall wants to merge 133 commits into from
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Hi pdlp #2731

jajhall wants to merge 133 commits into from

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@jajhall jajhall commented Jan 6, 2026

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jajhall and others added 30 commits August 25, 2025 23:16
@jajhall
Added hipo, ipx and pdlp to options for solver in HighsRuntimeOptions.h
35de7a5
@jajhall
Added highs/pdlp/hipdlp and linalg.cc
49c9598
@jajhall
Added linalg.hpp and now HiGHS builds!
f59b0df
@jajhall
Need to merge HiPO branch into this
539e148
@jajhall
Merge branch 'hpm-mip-ok-l' of https://github.com/ERGO-Code/HiGHS int…
c032f3c 
…o hpm-mip-ok-l
@jajhall
Merged hpm-mip-ok-l into this branch
2aff705
@jajhall
Added HiPdlpWrapper.h/cpp and unit test to run HiPDLP
1631cde
@jajhall
Now included all necessary HiPDLP code, and commented out matrix prep…
9831690 
…rocessing that's not c++11 compliant
@jajhall
HiPDLP now solves avgas
971ddf5
@jajhall
Added (and rationalised) PDLP options, and using them to set up Prima…
d6ed4c1 
…lDualParams
@jajhall
Now returning solution and PDLP iteration count to HiGHS, but lack of…
5b75a0a 
… HiPDLP postsolve means values are incorrect
@jajhall
Added Meld script
2875ef5
@jajhall
Bug fixes in HighsSparseMatrix::scaleCols and HighsSparseMatrix::scal…
1b836fa 
…eRows, and catching iteration limit in HiPDLP
@jajhall
Got Power method right, but no options not correct
0140a4c
@jajhall
Very sensitive to power method result; logging of HiPDLP primal and d…
9e341c1 
…ual step lengths probably incorrect
@jajhall
Updated kYanyuPowerMethodDev to back-calculate RQ
02102aa
@Yanyu000
Now using cuPDLP-C power method, and KKT tolerance of 1e-6 in unit te…
22848e6 
…st hi-pdlp
@Yanyu000
Replace auto with std::tie, no C++11 warning, added InitializeStepSiz…
f2a782e 
…esPowerMetho
@Yanyu000
formatted
13f8444
@jajhall
Moved enum ConstraintType to HConst.h from hipdlp/pdhg.hpp and remove…
955396f 
…d typedef enum CONSTRAINT_TYPE from CuPdlpWrapper.h
@Yanyu000
wip
a2e9266
@Yanyu000
Merge branch 'fix-2526' into hi-pdlp
14e0ef2
@jajhall
Added pdlpLog to cupdlp_utils.c and calling it from both cupdlp_solve…
132feb4 
….c and pdhg.cpp
@galabovaa
bazel pdlp sources
cc74307
@galabovaa
add headers. todo: move to srcs all private headers
753727f
@Yanyu000
wip
915f04e
@jajhall
Added pdlp_log_file to CUPDLP_WORK and passing it around HiPDLP
ab1f094
@jajhall
Now trying to log beta
f5b1a8b
@jajhall
Merge pull request #2529 from ERGO-Code/hi-pdlp-bazel
055fbb9 
Hi pdlp bazel
@Yanyu000
refactor solve
187b74d
jajhall and others added 29 commits October 22, 2025 10:01
@jajhall
Added path from highs for HConst.h in pdhg.cc so bazel and meson buil…
da5acba 
…ds are expected to pass
@jajhall
Merged latest into this branch and resolved minor conlicts
6961aef
@Yanyu000
mip
3dbe848
@Yanyu000
vectorize projection
d80bbbe
@Yanyu000
fix highs.solution
803d2ea
@Yanyu000
mip
0178a61
@Yanyu000
revert
d372bdf
@Yanyu000
Revert "vectorize projection"
60ad3c9 
This reverts commit d80bbbe.
@Yanyu000
Revert "Merged latest into this branch and resolved minor conlicts"
89adafb 
This reverts commit 6961aef, reversing
changes made to da5acba.
@Yanyu000
revert to same result
453cc05
@Yanyu000
add dSlackPosAvg
cb5e09a
@jajhall
Added cuda-sandbox
660dcae
@Yanyu000
mip
499ee10
@Yanyu000
Merge remote-tracking branch 'refs/remotes/origin/hi-pdlp' into hi-pdlp
071749d
@Yanyu000
setup GPU and linalgGpuAx, linalgGpuATy
874b652
@Yanyu000
fix setupGPU
cf5b809
@Yanyu000
add launchKernelUpdateX
82a11ff
@Yanyu000
wip
6f235e5
@Yanyu000
vanilla PDHG GPU checked
f3a510b
@Yanyu000
add checkConvergence_gpu to be verified
811dd60
@Yanyu000
checkConvergence_gpu passes for a few cases
8305291
@Yanyu000
restart partially on GPU
5676802
@Yanyu000
wip go back to check CPU
3bce550
@Yanyu000
seperate CPU&GPU
b12018c
@Yanyu000
computeMovementGpu and computeNonlinearityGpu
21fa43f
@Yanyu000
use cublas
ed9ebf7
@Yanyu000
tidy up
2270209
@Yanyu000
use fma
e7227d7
@jajhall
Added GPU name and memory logging to PDLPSolver::setup; formatted
14ae18c
@jajhall jajhall closed this Jan 6, 2026
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4 participants

@jajhall @Yanyu000 @galabovaa