2spmv for performHalpernPdhgStepGpu

Author: Yanyu000

check/TestPdlp.cpp

@@ -474,7 +474,7 @@ TEST_CASE("cuda-sandbox", "[pdlp]") {
 #endif
 
 TEST_CASE("hi-pdlp-halpern", "[pdlp]") {
-  std::string model = "afiro";  //"afiro";
+  std::string model = "neso-2005";  //"afiro";
   // shell //stair //25fv47 //fit2p //avgas //neso-2245 //neso-2005
   std::string model_file =
       // std::string(HIGHS_DIR) + "/srv/" + model + ".mps.gz";

highs/pdlp/hipdlp/pdhg.cc

@@ -1033,8 +1033,8 @@ void PDLPSolver::performHalpernPdhgStepGpu(bool is_major) {
       d_y_current_, d_y_next_ /*reflected*/, d_y_anchor_,
       w, rho, a_num_rows_);
 
-  linalgGpuAx(d_x_current_, d_ax_current_);
-  linalgGpuATy(d_y_current_, d_aty_current_);
+  //linalgGpuAx(d_x_current_, d_ax_current_);
+  //linalgGpuATy(d_y_current_, d_aty_current_);
 }
 #endif