diff --git a/source/adios2/core/VariableBase.h b/source/adios2/core/VariableBase.h
index ad81e63ea15cfdbfab9211aa0d26c6b4e5ca8013..c8953777d82669384fac8bf66d6c37ca4365f392 100644
--- a/source/adios2/core/VariableBase.h
+++ b/source/adios2/core/VariableBase.h
@@ -145,18 +145,40 @@ public:
ConvertUint64VectorToSizetVector(sel.m_Start, m_MemoryOffsets);
}
+ /**
+ * Set the steps for the variable to read from. The pointer passed at
+ * reading must be able to hold enough memory to store multiple steps in a
+ * single read.
+ * @param fromStep The first step to read. Steps start from 0
+ * @param nSteps Number of consecutive steps to read at once.
+ *
+ */
+ void SetStepSelection(const unsigned int fromStep,
+ const unsigned int nSteps)
+ {
+ m_ReadFromStep = fromStep;
+ m_ReadNSteps = nSteps;
+ }
+
/** Return the number of steps available for the variable
* @return Number of steps
*/
- unsigned int GetNSteps() { return m_nsteps; }
+ unsigned int GetNSteps() { return m_NStepsAvailable; }
///< Should only be called by read engines
- void SetNSteps(unsigned int steps) { m_nsteps = steps; }
+ void SetNSteps(unsigned int steps) { m_NStepsAvailable = steps; }
+ unsigned int GetReadFromStep() { return m_ReadFromStep; }
+ unsigned int GetReadNSteps() { return m_ReadNSteps; }
private:
+ ///< Read from this step (must be 0 in staging)
+ unsigned int m_ReadFromStep = 0;
+ ///< Read this many steps at once (must be 1 in staging)
+ unsigned int m_ReadNSteps = 1;
+
/* Values filled by InquireVariable() */
- unsigned int m_nsteps =
- 1; ///< number of steps available in a file (or 1 in staging),
+ ///< number of steps available in a file (or 1 in staging),
+ unsigned int m_NStepsAvailable = 1;
};
} // end namespace
diff --git a/source/adios2/engine/adios1/ADIOS1Reader.cpp b/source/adios2/engine/adios1/ADIOS1Reader.cpp
index 680e2186f16c45fb8be18342861e9ad2ed62a8b6..407b93c59b99134489acd3d178cce45a5ad70366 100644
--- a/source/adios2/engine/adios1/ADIOS1Reader.cpp
+++ b/source/adios2/engine/adios1/ADIOS1Reader.cpp
@@ -173,9 +173,9 @@ ADIOS1Reader::InquireVariableCompound(const std::string &variableName,
return nullptr;
}
-void ADIOS1Reader::ScheduleReadCommon(const std::string &name,
- const Dims &ldims, const Dims &offs,
- void *data)
+void ADIOS1Reader::ScheduleReadCommon(const std::string &name, const Dims &offs,
+ const Dims &ldims, const int fromStep,
+ const int nSteps, void *data)
{
uint64_t start[32], count[32];
@@ -184,100 +184,120 @@ void ADIOS1Reader::ScheduleReadCommon(const std::string &name,
start[i] = (uint64_t)offs[i];
count[i] = (uint64_t)ldims[i];
}
- ADIOS_SELECTION *sel =
+ ADIOS_SELECTION *sel = nullptr;
+ if (ldims.size() > 0)
+ {
adios_selection_boundingbox(ldims.size(), start, count);
- adios_schedule_read(m_fh, sel, name.c_str(), 1, 0, data);
+ }
+ adios_schedule_read(m_fh, sel, name.c_str(), (int)fromStep, (int)nSteps,
+ data);
adios_selection_delete(sel);
}
void ADIOS1Reader::ScheduleRead(Variable<char> &variable, char *values)
{
- ScheduleReadCommon(variable.m_Name, variable.m_Count, variable.m_Start,
+ ScheduleReadCommon(variable.m_Name, variable.m_Start, variable.m_Count,
+ variable.GetReadFromStep(), variable.GetReadNSteps(),
(void *)values);
}
void ADIOS1Reader::ScheduleRead(Variable<unsigned char> &variable,
unsigned char *values)
{
- ScheduleReadCommon(variable.m_Name, variable.m_Count, variable.m_Start,
+ ScheduleReadCommon(variable.m_Name, variable.m_Start, variable.m_Count,
+ variable.GetReadFromStep(), variable.GetReadNSteps(),
(void *)values);
}
void ADIOS1Reader::ScheduleRead(Variable<short> &variable, short *values)
{
- ScheduleReadCommon(variable.m_Name, variable.m_Count, variable.m_Start,
+ ScheduleReadCommon(variable.m_Name, variable.m_Start, variable.m_Count,
+ variable.GetReadFromStep(), variable.GetReadNSteps(),
(void *)values);
}
void ADIOS1Reader::ScheduleRead(Variable<unsigned short> &variable,
unsigned short *values)
{
- ScheduleReadCommon(variable.m_Name, variable.m_Count, variable.m_Start,
+ ScheduleReadCommon(variable.m_Name, variable.m_Start, variable.m_Count,
+ variable.GetReadFromStep(), variable.GetReadNSteps(),
(void *)values);
}
void ADIOS1Reader::ScheduleRead(Variable<int> &variable, int *values)
{
- ScheduleReadCommon(variable.m_Name, variable.m_Count, variable.m_Start,
+ ScheduleReadCommon(variable.m_Name, variable.m_Start, variable.m_Count,
+ variable.GetReadFromStep(), variable.GetReadNSteps(),
(void *)values);
}
void ADIOS1Reader::ScheduleRead(Variable<unsigned int> &variable,
unsigned int *values)
{
- ScheduleReadCommon(variable.m_Name, variable.m_Count, variable.m_Start,
+ ScheduleReadCommon(variable.m_Name, variable.m_Start, variable.m_Count,
+ variable.GetReadFromStep(), variable.GetReadNSteps(),
(void *)values);
}
void ADIOS1Reader::ScheduleRead(Variable<long int> &variable, long int *values)
{
- ScheduleReadCommon(variable.m_Name, variable.m_Count, variable.m_Start,
+ ScheduleReadCommon(variable.m_Name, variable.m_Start, variable.m_Count,
+ variable.GetReadFromStep(), variable.GetReadNSteps(),
(void *)values);
}
void ADIOS1Reader::ScheduleRead(Variable<unsigned long int> &variable,
unsigned long int *values)
{
- ScheduleReadCommon(variable.m_Name, variable.m_Count, variable.m_Start,
+ ScheduleReadCommon(variable.m_Name, variable.m_Start, variable.m_Count,
+ variable.GetReadFromStep(), variable.GetReadNSteps(),
(void *)values);
}
void ADIOS1Reader::ScheduleRead(Variable<long long int> &variable,
long long int *values)
{
- ScheduleReadCommon(variable.m_Name, variable.m_Count, variable.m_Start,
+ ScheduleReadCommon(variable.m_Name, variable.m_Start, variable.m_Count,
+ variable.GetReadFromStep(), variable.GetReadNSteps(),
(void *)values);
}
void ADIOS1Reader::ScheduleRead(Variable<unsigned long long int> &variable,
unsigned long long int *values)
{
- ScheduleReadCommon(variable.m_Name, variable.m_Count, variable.m_Start,
+ ScheduleReadCommon(variable.m_Name, variable.m_Start, variable.m_Count,
+ variable.GetReadFromStep(), variable.GetReadNSteps(),
(void *)values);
}
void ADIOS1Reader::ScheduleRead(Variable<float> &variable, float *values)
{
- ScheduleReadCommon(variable.m_Name, variable.m_Count, variable.m_Start,
+ ScheduleReadCommon(variable.m_Name, variable.m_Start, variable.m_Count,
+ variable.GetReadFromStep(), variable.GetReadNSteps(),
(void *)values);
}
void ADIOS1Reader::ScheduleRead(Variable<double> &variable, double *values)
{
- ScheduleReadCommon(variable.m_Name, variable.m_Count, variable.m_Start,
+ ScheduleReadCommon(variable.m_Name, variable.m_Start, variable.m_Count,
+ variable.GetReadFromStep(), variable.GetReadNSteps(),
(void *)values);
}
void ADIOS1Reader::ScheduleRead(Variable<long double> &variable,
long double *values)
{
- ScheduleReadCommon(variable.m_Name, variable.m_Count, variable.m_Start,
+ ScheduleReadCommon(variable.m_Name, variable.m_Start, variable.m_Count,
+ variable.GetReadFromStep(), variable.GetReadNSteps(),
(void *)values);
}
void ADIOS1Reader::ScheduleRead(Variable<std::complex<float>> &variable,
std::complex<float> *values)
{
- ScheduleReadCommon(variable.m_Name, variable.m_Count, variable.m_Start,
+ ScheduleReadCommon(variable.m_Name, variable.m_Start, variable.m_Count,
+ variable.GetReadFromStep(), variable.GetReadNSteps(),
(void *)values);
}
void ADIOS1Reader::ScheduleRead(Variable<std::complex<double>> &variable,
std::complex<double> *values)
{
- ScheduleReadCommon(variable.m_Name, variable.m_Count, variable.m_Start,
+ ScheduleReadCommon(variable.m_Name, variable.m_Start, variable.m_Count,
+ variable.GetReadFromStep(), variable.GetReadNSteps(),
(void *)values);
}
void ADIOS1Reader::ScheduleRead(Variable<std::complex<long double>> &variable,
std::complex<long double> *values)
{
- ScheduleReadCommon(variable.m_Name, variable.m_Count, variable.m_Start,
+ ScheduleReadCommon(variable.m_Name, variable.m_Start, variable.m_Count,
+ variable.GetReadFromStep(), variable.GetReadNSteps(),
(void *)values);
}
diff --git a/source/adios2/engine/adios1/ADIOS1Reader.h b/source/adios2/engine/adios1/ADIOS1Reader.h
index cd455f2a74b39cd9e86154d3da9287b229415486..15f6ce7426f49c9b3ca59b7e0295603bf0c8d4a8 100644
--- a/source/adios2/engine/adios1/ADIOS1Reader.h
+++ b/source/adios2/engine/adios1/ADIOS1Reader.h
@@ -169,8 +169,6 @@ private:
Variable<T> *InquireVariableCommon(const std::string &name,
const bool readIn)
{
- std::cout << "Hello ADIOS1Reader::InquireVariableCommon\n";
-
// here read variable metadata (dimensions, type, etc.)...then create a
// Variable like below:
// Variable<T>& variable = m_ADIOS.DefineVariable<T>( m_Name + "/" +
@@ -202,8 +200,9 @@ private:
return var;
}
- void ScheduleReadCommon(const std::string &name, const Dims &ldims,
- const Dims &offs, void *data);
+ void ScheduleReadCommon(const std::string &name, const Dims &offs,
+ const Dims &ldims, const int fromStep,
+ const int nSteps, void *data);
bool CheckADIOS1TypeCompatibility(const std::string &name,
std::string adios2Type,
diff --git a/source/adios2/engine/adios1/ADIOS1Writer.cpp b/source/adios2/engine/adios1/ADIOS1Writer.cpp
index 5d5f547e5bc63acec28fe8f4282ca0336b30988e..801adcb7c636fe73b1e99a1e261762f0138ba10f 100644
--- a/source/adios2/engine/adios1/ADIOS1Writer.cpp
+++ b/source/adios2/engine/adios1/ADIOS1Writer.cpp
@@ -117,10 +117,10 @@ static std::string DimsToCSV_LocalAware(const std::vector<std::size_t> &dims)
dimsCSV.pop_back();
}
- if (localVar)
+ /*if (localVar)
{
dimsCSV.clear();
- }
+ }*/
return dimsCSV;
}