mip

Author: Yanyu000

check/TestPdlp.cpp

@@ -334,7 +334,7 @@ TEST_CASE("pdlp-restart-add-row", "[pdlp]") {
 }
 
 TEST_CASE("hi-pdlp", "[pdlp]") {
-  std::string model = "adlittle";  //"adlittle";//"afiro";// shell// stair //25fv47 //fit2p
+  std::string model = "afiro";  //"adlittle";//"afiro";// shell// stair //25fv47 //fit2p
   std::string model_file =
       std::string(HIGHS_DIR) + "/check/instances/" + model + ".mps";
   Highs h;
@@ -358,7 +358,7 @@ TEST_CASE("hi-pdlp", "[pdlp]") {
   h.setOptionValue("pdlp_scaling_mode", pdlp_scaling);
   h.setOptionValue("pdlp_step_size_strategy", 1);
   h.setOptionValue("pdlp_restart_strategy", 2);
-  h.setOptionValue("pdlp_iteration_limit",3520);
+  //h.setOptionValue("pdlp_iteration_limit",3520);
   //  h.setOptionValue("log_dev_level", kHighsLogDevLevelVerbose);
   auto start_hipdlp = std::chrono::high_resolution_clock::now();
   HighsStatus run_status = h.run();

highs/pdlp/cupdlp/cupdlp_restart.c

@@ -80,7 +80,7 @@ PDHG_restart_choice PDHG_Check_Restart_GPU(CUPDLPwork *work) {
     resobj->dDualFeasLastCandidate = resobj->dDualFeasAverage;
     resobj->dDualityGapLastCandidate = resobj->dDualityGapAverage;
   }
-  work->settings->nLogLevel = 2;
+
   if (restart_choice != PDHG_NO_RESTART) {
     if (muCurrent < muAverage) {
         if (work->settings->nLogLevel > 1)

highs/pdlp/hipdlp/pdhg.cc

@@ -460,7 +460,6 @@ PostSolveRetcode PDLPSolver::postprocess(HighsSolution& solution) {
 }
 
 void PDLPSolver::solve(std::vector<double>& x, std::vector<double>& y) {
-  auto solve_start = std::chrono::high_resolution_clock::now();
   Timer solver_timer;
   const HighsLp& lp = lp_;
 
@@ -480,12 +479,6 @@ void PDLPSolver::solve(std::vector<double>& x, std::vector<double>& y) {
                "Using power method step sizes: eta = %g, omega = %g\n",
                working_params.eta, working_params.omega);
 
-  highsLogUser(params_.log_options_, HighsLogType::kInfo,
-               "Initial step sizes from power method lambda = %g: primal = %g; "
-               "dual = %g\n",
-               stepsize_.power_method_lambda, stepsize_.primal_step,
-               stepsize_.dual_step);
-
   // --- 1. Initialization ---
   restart_scheme_.passLogOptions(&working_params.log_options_);
   restart_scheme_.passDebugPdlpLogFile(debug_pdlp_log_file_);
@@ -713,8 +706,6 @@ void PDLPSolver::solve(std::vector<double>& x, std::vector<double>& y) {
   y = y_avg_;
 
   results_.term_code = TerminationStatus::TIMEOUT;
-  auto solve_end = std::chrono::high_resolution_clock::now();
-  timings_.total_time = std::chrono::duration<double>(solve_end - solve_start).count();
   return;
 }
 

highs/pdlp/hipdlp/pdhg.hpp

@@ -53,7 +53,6 @@ class PDLPSolver {
   DebugPdlpData debug_pdlp_data_;
   DetailedTimings timings_;
   const DetailedTimings& getTimings() const { return timings_; }
-
  private:
   // --- Core Algorithm Logic ---
   void Initialize();