src/gromacs/mdrunutility/tests/threadaffinitytest.h

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  35 #ifndef GMX_MDRUNUTILITY_TESTS_THREADAFFINITYTEST_H
  36 #define GMX_MDRUNUTILITY_TESTS_THREADAFFINITYTEST_H
  37
  38 #include <initializer_list>
  39 #include <memory>
  40
  41 #include <gmock/gmock.h>
  42
  43 #include "gromacs/hardware/hw_info.h"
  44 #include "gromacs/mdrunutility/threadaffinity.h"
  45 #include "gromacs/utility/logger.h"
  46 #include "gromacs/utility/physicalnodecommunicator.h"
  47 #include "gromacs/utility/stringutil.h"
  48
  49 #include "testutils/loggertest.h"
  50
  51 struct t_commrec;
  52
  53 namespace gmx
  54 {
  55
  56 class HardwareTopology;
  57
  58 namespace test
  59 {
  60
  61 class MockThreadAffinityAccess : public IThreadAffinityAccess
  62 {
  63     public:
  64         MockThreadAffinityAccess();
  65         ~MockThreadAffinityAccess() override;
  66
  67         void setSupported(bool supported) { supported_ = supported; }
  68
  69         bool isThreadAffinitySupported() const override { return supported_; }
  70         MOCK_METHOD1(setCurrentThreadAffinityToCore, bool(int core));
  71
  72     private:
  73         bool supported_;
  74 };
  75
  76 class ThreadAffinityTestHelper
  77 {
  78     public:
  79         ThreadAffinityTestHelper();
  80         ~ThreadAffinityTestHelper();
  81
  82         void setAffinitySupported(bool supported)
  83         {
  84             affinityAccess_.setSupported(supported);
  85         }
  86         void setAffinityOption(ThreadAffinity affinityOption)
  87         {
  88             hwOpt_.threadAffinity = affinityOption;
  89         }
  90         void setOffsetAndStride(int offset, int stride)
  91         {
  92             hwOpt_.core_pinning_offset = offset;
  93             hwOpt_.core_pinning_stride = stride;
  94         }
  95
  96         void setPhysicalNodeId(int nodeId)
  97         {
  98             physicalNodeId_ = nodeId;
  99         }
 100
 101         void setLogicalProcessorCount(int logicalProcessorCount);
 102
 103         void setTotNumThreadsIsAuto(bool isAuto)
 104         {
 105             hwOpt_.totNumThreadsIsAuto = isAuto;
 106         }
 107
 108         void expectAffinitySet(int core)
 109         {
 110             EXPECT_CALL(affinityAccess_, setCurrentThreadAffinityToCore(core));
 111         }
 112         void expectAffinitySet(std::initializer_list<int> cores)
 113         {
 114             for (int core : cores)
 115             {
 116                 expectAffinitySet(core);
 117             }
 118         }
 119         void expectAffinitySetThatFails(int core)
 120         {
 121             using ::testing::Return;
 122             EXPECT_CALL(affinityAccess_, setCurrentThreadAffinityToCore(core))
 123                 .WillOnce(Return(false));
 124         }
 125
 126         void expectWarningMatchingRegex(const char *re)
 127         {
 128             expectWarningMatchingRegexIf(re, true);
 129         }
 130         void expectWarningMatchingRegexIf(const char *re, bool condition)
 131         {
 132             expectLogMessageMatchingRegexIf(MDLogger::LogLevel::Warning, re, condition);
 133         }
 134         void expectInfoMatchingRegex(const char *re)
 135         {
 136             expectInfoMatchingRegexIf(re, true);
 137         }
 138         void expectInfoMatchingRegexIf(const char *re, bool condition)
 139         {
 140             expectLogMessageMatchingRegexIf(MDLogger::LogLevel::Info, re, condition);
 141         }
 142         void expectGenericFailureMessage()
 143         {
 144             expectGenericFailureMessageIf(true);
 145         }
 146         void expectGenericFailureMessageIf(bool condition)
 147         {
 148             expectWarningMatchingRegexIf("NOTE: Thread affinity was not set.", condition);
 149         }
 150         void expectPinningMessage(bool userSpecifiedStride, int stride)
 151         {
 152             std::string pattern = formatString("Pinning threads .* %s.* stride of %d",
 153                                                userSpecifiedStride ? "user" : "auto",
 154                                                stride);
 155             expectInfoMatchingRegex(pattern.c_str());
 156         }
 157         void expectLogMessageMatchingRegexIf(MDLogger::LogLevel level,
 158                                              const char *re, bool condition)
 159         {
 160             if (condition)
 161             {
 162                 logHelper_.expectEntryMatchingRegex(level, re);
 163             }
 164         }
 165
 166         void setAffinity(int numThreadsOnThisRank)
 167         {
 168             if (hwTop_ == nullptr)
 169             {
 170                 setLogicalProcessorCount(1);
 171             }
 172             gmx::PhysicalNodeCommunicator comm(MPI_COMM_WORLD, physicalNodeId_);
 173             int numThreadsOnThisNode, indexWithinNodeOfFirstThreadOnThisRank;
 174             analyzeThreadsOnThisNode(comm,
 175                                      numThreadsOnThisRank,
 176                                      &numThreadsOnThisNode,
 177                                      &indexWithinNodeOfFirstThreadOnThisRank);
 178             gmx_set_thread_affinity(logHelper_.logger(), cr_, &hwOpt_, *hwTop_,
 179                                     numThreadsOnThisRank, numThreadsOnThisNode,
 180                                     indexWithinNodeOfFirstThreadOnThisRank, &affinityAccess_);
 181         }
 182
 183     private:
 184         t_commrec                         *cr_;
 185         gmx_hw_opt_t                       hwOpt_;
 186         std::unique_ptr<HardwareTopology>  hwTop_;
 187         MockThreadAffinityAccess           affinityAccess_;
 188         LoggerTestHelper                   logHelper_;
 189         int                                physicalNodeId_;
 190 };
 191
 192 } // namespace test
 193 } // namespace gmx
 194
 195 #endif