set params on all transports

source/adios2/engine/bp5/BP5Reader.cpp

@@ -229,7 +229,7 @@ std::pair<double, double> BP5Reader::ReadData(adios2::transportman::TransportMan
         {
             Params transportParameters;
             transportParameters["FailOnEOF"] = "true";
-            FileManager.SetParameters(transportParameters);
+            FileManager.SetParameters(transportParameters, -1);
         }
     }
     TP endSubfile = NOW();

source/adios2/toolkit/transportman/TransportMan.cpp

@@ -410,10 +410,22 @@ void TransportMan::ReadFile(char *buffer, const size_t size, const size_t start,
 
 void TransportMan::SetParameters(const Params &params, const size_t transportIndex)
 {
-    auto itTransport = m_Transports.find(transportIndex);
-    CheckFile(itTransport,
-              ", in call to SetParameters with index " + std::to_string(transportIndex));
-    itTransport->second->SetParameters(params);
+    if (transportIndex == -1)
+    {
+        for (auto &transportPair : m_Transports)
+        {
+            auto &transport = transportPair.second;
+
+            transport->SetParameters(params);
+        }
+    }
+    else
+    {
+        auto itTransport = m_Transports.find(transportIndex);
+        CheckFile(itTransport,
+                  ", in call to SetParameters with index " + std::to_string(transportIndex));
+        itTransport->second->SetParameters(params);
+    }
 }
 
 void TransportMan::FlushFiles(const int transportIndex)

testing/adios2/engine/bp/operations/TestBPWriteReadBZIP2.cpp

@@ -148,6 +148,135 @@ void BZIP2Accuracy1D(const std::string accuracy)
     }
 }
 
+void BZIP2Accuracy1DLocal(const std::string accuracy)
+{
+    // Each process would write a 1x8 array and all processes would
+    // form a mpiSize * Nx 1D array
+    const std::string fname("BPWR_BZIP2_1D_Local_" + accuracy + ".bp");
+
+    int mpiRank = 0, mpiSize = 1;
+    // Number of rows
+    const size_t Nx = 1000;
+
+    // Number of steps
+    const size_t NSteps = 1;
+
+    std::vector<float> r32s(Nx);
+    std::vector<double> r64s(Nx);
+
+    // range 0 to 999
+    std::iota(r32s.begin(), r32s.end(), 0.f);
+    std::iota(r64s.begin(), r64s.end(), 0.);
+
+#if ADIOS2_USE_MPI
+    MPI_Comm_rank(MPI_COMM_WORLD, &mpiRank);
+    MPI_Comm_size(MPI_COMM_WORLD, &mpiSize);
+#endif
+
+#if ADIOS2_USE_MPI
+    adios2::ADIOS adios(MPI_COMM_WORLD);
+#else
+    adios2::ADIOS adios;
+#endif
+    {
+        adios2::IO io = adios.DeclareIO("TestIO");
+
+        if (!engineName.empty())
+        {
+            io.SetEngine(engineName);
+        }
+        else
+        {
+            // Create the BP Engine
+            io.SetEngine("BPFile");
+        }
+
+        const adios2::Dims shape{};
+        const adios2::Dims start{};
+        const adios2::Dims count{Nx};
+
+        adios2::Variable<float> var_r32 =
+            io.DefineVariable<float>("r32", shape, start, count, adios2::ConstantDims);
+        adios2::Variable<double> var_r64 =
+            io.DefineVariable<double>("r64", shape, start, count, adios2::ConstantDims);
+
+        // add operations
+        adios2::Operator BZIP2Op =
+            adios.DefineOperator("BZIP2Compressor", adios2::ops::LosslessBZIP2);
+
+        var_r32.AddOperation(BZIP2Op, {{adios2::ops::bzip2::key::blockSize100k, accuracy}});
+        var_r64.AddOperation(BZIP2Op, {{adios2::ops::bzip2::key::blockSize100k, accuracy}});
+
+        adios2::Engine bpWriter = io.Open(fname, adios2::Mode::Write);
+
+        for (size_t step = 0; step < NSteps; ++step)
+        {
+            bpWriter.BeginStep();
+            bpWriter.Put<float>("r32", r32s.data());
+            bpWriter.Put<double>("r64", r64s.data());
+            bpWriter.EndStep();
+        }
+
+        bpWriter.Close();
+    }
+
+    {
+        adios2::IO io = adios.DeclareIO("ReadIO");
+
+        if (!engineName.empty())
+        {
+            io.SetEngine(engineName);
+        }
+        else
+        {
+            // Create the BP Engine
+            io.SetEngine("BPFile");
+        }
+
+        adios2::Engine bpReader = io.Open(fname, adios2::Mode::Read);
+
+        unsigned int t = 0;
+        std::vector<float> decompressedR32s;
+        std::vector<double> decompressedR64s;
+
+        while (bpReader.BeginStep() == adios2::StepStatus::OK)
+        {
+            auto var_r32 = io.InquireVariable<float>("r32");
+            EXPECT_TRUE(var_r32);
+            ASSERT_EQ(var_r32.ShapeID(), adios2::ShapeID::LocalArray);
+            ASSERT_EQ(var_r32.Steps(), NSteps);
+
+            auto var_r64 = io.InquireVariable<double>("r64");
+            EXPECT_TRUE(var_r64);
+            ASSERT_EQ(var_r64.ShapeID(), adios2::ShapeID::LocalArray);
+            ASSERT_EQ(var_r64.Steps(), NSteps);
+            auto r32_info = bpReader.BlocksInfo(var_r32, -1);
+            auto r64_info = bpReader.BlocksInfo(var_r64, -1);
+
+            var_r32.SetBlockSelection(mpiRank);
+            var_r64.SetBlockSelection(mpiRank);
+
+            bpReader.Get(var_r32, decompressedR32s);
+            bpReader.Get(var_r64, decompressedR64s);
+            bpReader.EndStep();
+
+            for (size_t i = 0; i < Nx; ++i)
+            {
+                std::stringstream ss;
+                ss << "t=" << t << " i=" << i << " rank=" << mpiRank;
+                std::string msg = ss.str();
+                ASSERT_EQ(decompressedR32s[i], r32s[i]) << msg;
+                ASSERT_EQ(decompressedR64s[i], r64s[i]) << msg;
+            }
+            ++t;
+        }
+
+        EXPECT_EQ(t, NSteps);
+
+        bpReader.Close();
+    }
+}
+
 void BZIP2Accuracy2D(const std::string accuracy)
 {
     // Each process would write a 1x8 array and all processes would
@@ -830,6 +959,7 @@ class BPWriteReadBZIP2 : public ::testing::TestWithParam<std::string>
 };
 
 TEST_P(BPWriteReadBZIP2, ADIOS2BPWriteReadBZIP21D) { BZIP2Accuracy1D(GetParam()); }
+TEST_P(BPWriteReadBZIP2, ADIOS2BPWriteReadBZIP21DLocal) { BZIP2Accuracy1DLocal(GetParam()); }
 TEST_P(BPWriteReadBZIP2, ADIOS2BPWriteReadBZIP22D) { BZIP2Accuracy2D(GetParam()); }
 TEST_P(BPWriteReadBZIP2, ADIOS2BPWriteReadBZIP23D) { BZIP2Accuracy3D(GetParam()); }
 TEST_P(BPWriteReadBZIP2, ADIOS2BPWriteReadBZIP21DSel) { BZIP2Accuracy1DSel(GetParam()); }