diff --git a/examples/experimental/multistep/reader_allsteps.cpp b/examples/experimental/multistep/reader_allsteps.cpp
index c516671532c259b83e88b97aa5cc48d0b61544d0..7b50a98bace368713560061a28bda4509d1671e8 100644
--- a/examples/experimental/multistep/reader_allsteps.cpp
+++ b/examples/experimental/multistep/reader_allsteps.cpp
@@ -192,7 +192,9 @@ int main(int argc, char *argv[])
if (rank == 0)
Print2DArray(Nparts, vNparts->m_AvailableSteps, Nwriters, "Nparts");
Delete2DArray(Nparts);
+#ifdef ADIOS2_HAVE_MPI
MPI_Barrier(MPI_COMM_WORLD);
+#endif
/*
* GlobalArrayFixedDims
@@ -228,20 +230,24 @@ int main(int argc, char *argv[])
vGlobalArrayFixedDims->SetStepSelection(
0, vGlobalArrayFixedDims->m_AvailableSteps);
bpReader->Read<double>(*vGlobalArrayFixedDims, GlobalArrayFixedDims[0]);
+#ifdef ADIOS2_HAVE_MPI
MPI_Barrier(MPI_COMM_WORLD);
MPI_Status status;
int token = 0;
if (rank > 0)
MPI_Recv(&token, 1, MPI_INT, rank - 1, 0, MPI_COMM_WORLD, &status);
+#endif
std::cout << "Rank " << rank << " read start = " << start
<< " count = " << count << std::endl;
Print2DArray(GlobalArrayFixedDims,
vGlobalArrayFixedDims->m_AvailableSteps, count,
"GlobalArrayFixedDims");
+#ifdef ADIOS2_HAVE_MPI
if (rank < nproc - 1)
MPI_Send(&token, 1, MPI_INT, rank + 1, 0, MPI_COMM_WORLD);
- Delete2DArray(GlobalArrayFixedDims);
MPI_Barrier(MPI_COMM_WORLD);
+#endif
+ Delete2DArray(GlobalArrayFixedDims);
/*
* LocalArrayFixedDims
@@ -258,7 +264,9 @@ int main(int argc, char *argv[])
}
std::cout << "LocalArrayFixedDims is irregular. Cannot read this "
"variable yet...\n";
+#ifdef ADIOS2_HAVE_MPI
MPI_Barrier(MPI_COMM_WORLD);
+#endif
/*
* LocalArrayFixedDimsJoined
@@ -284,7 +292,9 @@ int main(int argc, char *argv[])
vLocalArrayFixedDimsJoined->m_Shape[0],
"LocalArrayFixedDimsJoined");
Delete2DArray(LocalArrayFixedDimsJoined);
+#ifdef ADIOS2_HAVE_MPI
MPI_Barrier(MPI_COMM_WORLD);
+#endif
/*
* GlobalArray which changes size over time
@@ -301,7 +311,9 @@ int main(int argc, char *argv[])
"dimension is supposed to be adios::IrregularDim indicating an "
"Irregular array\n");
}
+#ifdef ADIOS2_HAVE_MPI
MPI_Barrier(MPI_COMM_WORLD);
+#endif
// Close file/stream
bpReader->Close();
diff --git a/examples/hello/adios1Writer/helloADIOS1Writer.cpp b/examples/hello/adios1Writer/helloADIOS1Writer.cpp
index 45a06a14a6bafc7c413957268c886cd2aaac8cd1..1041f895cafe00c998b1adc4a7d8a3dc7486e604 100644
--- a/examples/hello/adios1Writer/helloADIOS1Writer.cpp
+++ b/examples/hello/adios1Writer/helloADIOS1Writer.cpp
@@ -10,20 +10,24 @@
* Author: Norbert Podhorszki pnorbert@ornl.gov
*/
-#include <ios> //std::ios_base::failure
-#include <iostream> //std::cout
-#include <mpi.h>
+#include <ios> //std::ios_base::failure
+#include <iostream> //std::cout
#include <stdexcept> //std::invalid_argument std::exception
#include <vector>
#include <adios2.h>
+#ifdef ADIOS2_HAVE_MPI
+#include <mpi.h>
+#endif
int main(int argc, char *argv[])
{
MPI_Init(&argc, &argv);
- int rank, size;
+ int rank = 0, size = 1;
+#ifdef ADIOS2_HAVE_MPI
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Comm_size(MPI_COMM_WORLD, &size);
+#endif
/** Application variable */
std::vector<float> myFloats = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
diff --git a/examples/hello/bpTimeWriter/helloBPTimeWriter_nompi.cpp b/examples/hello/bpTimeWriter/helloBPTimeWriter_nompi.cpp
index 74ab119d4f9cfb1dc3b8a1deae06d7c5d59d4430..84b531107dacd21ab262465773dc96c1355135af 100644
--- a/examples/hello/bpTimeWriter/helloBPTimeWriter_nompi.cpp
+++ b/examples/hello/bpTimeWriter/helloBPTimeWriter_nompi.cpp
@@ -8,9 +8,8 @@
* Author: William F Godoy godoywf@ornl.gov
*/
-#include <ios> //std::ios_base::failure
-#include <iostream> //std::cout
-#include <mpi.h>
+#include <ios> //std::ios_base::failure
+#include <iostream> //std::cout
#include <stdexcept> //std::invalid_argument std::exception
#include <vector>
@@ -19,8 +18,8 @@
int main(int argc, char *argv[])
{
// Application variable
- std::vector<float> myDoubles = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
- const std::size_t Nx = myDoubles.size();
+ std::vector<float> myFloats = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
+ const std::size_t Nx = myFloats.size();
try
{
@@ -53,8 +52,8 @@ int main(int argc, char *argv[])
// template type is optional but recommended
bpWriter->Write<unsigned int>(bpTimeStep, timeStep);
- bpFloats[0] = timeStep;
- bpWriter->Write<float>(bpFloats, myDoubles.data());
+ myFloats[0] = timeStep;
+ bpWriter->Write<float>(bpFloats, myFloats.data());
bpWriter->Advance();
}
diff --git a/examples/hello/bpWriter/helloBPWriter_nompi.cpp b/examples/hello/bpWriter/helloBPWriter_nompi.cpp
index 3394a6ceea637507f5ccaf716802b8f85e81b8e9..13ca0a67411536bdb6f70af4b0b5b6fb697ca216 100644
--- a/examples/hello/bpWriter/helloBPWriter_nompi.cpp
+++ b/examples/hello/bpWriter/helloBPWriter_nompi.cpp
@@ -8,9 +8,8 @@
* Author: William F Godoy godoywf@ornl.gov
*/
-#include <ios> //std::ios_base::failure
-#include <iostream> //std::cout
-#include <mpi.h>
+#include <ios> //std::ios_base::failure
+#include <iostream> //std::cout
#include <stdexcept> //std::invalid_argument std::exception
#include <vector>
diff --git a/examples/hello/datamanWriter/helloDataManWriter_nompi.cpp b/examples/hello/datamanWriter/helloDataManWriter_nompi.cpp
index 3447d099ab2e6d8da795253a5ef78ad9d3cdf5f3..885785c6e73bd7d69dbd29ae0ed07f76eea23db9 100644
--- a/examples/hello/datamanWriter/helloDataManWriter_nompi.cpp
+++ b/examples/hello/datamanWriter/helloDataManWriter_nompi.cpp
@@ -11,8 +11,6 @@
#include <iostream>
#include <vector>
-#include <mpi.h>
-
#include <adios2.h>
int main(int argc, char *argv[])
diff --git a/examples/hello/hdf5Writer/helloHDF5Writer_nompi.cpp b/examples/hello/hdf5Writer/helloHDF5Writer_nompi.cpp
index d907209fd44cf92c5f591702233a7e128c03f1dc..6222e1eb1bddead70450696820827a4608b58b21 100644
--- a/examples/hello/hdf5Writer/helloHDF5Writer_nompi.cpp
+++ b/examples/hello/hdf5Writer/helloHDF5Writer_nompi.cpp
@@ -8,9 +8,8 @@
* Author: Junmin
*/
-#include <ios> //std::ios_base::failure
-#include <iostream> //std::cout
-#include <mpi.h>
+#include <ios> //std::ios_base::failure
+#include <iostream> //std::cout
#include <stdexcept> //std::invalid_argument std::exception
#include <vector>
@@ -39,7 +38,7 @@ int main(int argc, char *argv[])
"bpFloats", {}, {}, {Nx}, adios::ConstantDims);
/** Engine derived class, spawned to start IO operations */
- auto hdf5Writer = hdf5IO.Open("myVector.bp", adios::OpenMode::w);
+ auto hdf5Writer = hdf5IO.Open("myVector.bp", adios::OpenMode::Write);
if (!hdf5Writer)
{