src/gromacs/mdrunutility/tests/threadaffinitytest.cpp

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  35 #include "gmxpre.h"
  36
  37 #include "threadaffinitytest.h"
  38
  39 #include "config.h"
  40
  41 #include <memory>
  42
  43 #include <gmock/gmock.h>
  44
  45 #include "gromacs/hardware/hardwaretopology.h"
  46 #include "gromacs/mdtypes/commrec.h"
  47 #include "gromacs/utility/basenetwork.h"
  48 #include "gromacs/utility/gmxmpi.h"
  49 #include "gromacs/utility/smalloc.h"
  50
  51 namespace gmx
  52 {
  53 namespace test
  54 {
  55
  56 MockThreadAffinityAccess::MockThreadAffinityAccess() : supported_(true)
  57 {
  58     using ::testing::_;
  59     using ::testing::Return;
  60     ON_CALL(*this, setCurrentThreadAffinityToCore(_)).WillByDefault(Return(true));
  61 }
  62
  63 MockThreadAffinityAccess::~MockThreadAffinityAccess() {}
  64
  65
  66 ThreadAffinityTestHelper::ThreadAffinityTestHelper()
  67 {
  68     snew(cr_, 1);
  69     cr_->nnodes = gmx_node_num();
  70     cr_->nodeid = gmx_node_rank();
  71     // Default communicator is needed for [SIM]MASTER(cr) to work
  72     // TODO: Should get cleaned up once thread affinity works with
  73     //       communicators rather than the full cr (part of #2395)
  74     cr_->sizeOfDefaultCommunicator = gmx_node_num();
  75     cr_->rankInDefaultCommunicator = gmx_node_rank();
  76     cr_->duty                      = DUTY_PP;
  77 #if GMX_MPI
  78     cr_->mpi_comm_mysim = MPI_COMM_WORLD;
  79 #endif
  80     hwOpt_.threadAffinity      = ThreadAffinity::Auto;
  81     hwOpt_.totNumThreadsIsAuto = false;
  82     physicalNodeId_            = 0;
  83 }
  84
  85 ThreadAffinityTestHelper::~ThreadAffinityTestHelper()
  86 {
  87     sfree(cr_);
  88 }
  89
  90 void ThreadAffinityTestHelper::setLogicalProcessorCount(int logicalProcessorCount)
  91 {
  92     hwTop_ = std::make_unique<HardwareTopology>(logicalProcessorCount);
  93 }
  94
  95 } // namespace test
  96 } // namespace gmx