Agglomeration of basic MPI reductions. More...
#include <RealVect.H>#include <CD_NamespaceHeader.H>#include <CD_NamespaceFooter.H>#include <CD_ParallelOpsImplem.H>
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Namespaces | |
| namespace | ParallelOps |
| For putting a bunch of often-used MPI reductions in one place. | |
Functions | |
| void | ParallelOps::barrier () noexcept |
| MPI barrier. | |
| std::pair< int, int > | ParallelOps::partition (const int a_N) noexcept |
| Partition the input number such that each MPI rank gets an equal chunk. We assume that N is the length of some container whose indexing starts at 0. | |
| Real | ParallelOps::min (const Real &a_input) noexcept |
| Get the minimum of the input, reduced over MPI ranks (in the Chombo communicator) | |
| int | ParallelOps::min (const int &a_input) noexcept |
| Get the minimum of the input, reduced over MPI ranks (in the Chombo communicator) | |
| long long int | ParallelOps::min (const long long int &a_input) noexcept |
| Get the minimum of the input, reduced over MPI ranks (in the Chombo communicator) | |
| std::pair< Real, RealVect > | ParallelOps::min (const Real &a_val, const RealVect &a_pos) noexcept |
| Get the minimum value and the position corresponding to the minimum value of a_val. | |
| Real | ParallelOps::max (const Real &a_input) noexcept |
| Get the maximum of the input, reduced over MPI ranks (in the Chombo communicator) | |
| int | ParallelOps::max (const int &a_input) noexcept |
| Get the maximum of the input, reduced over MPI ranks (in the Chombo communicator) | |
| long long | ParallelOps::max (const long long &a_input) noexcept |
| Get the maximum of the input, reduced over MPI ranks (in the Chombo communicator) | |
| std::pair< Real, RealVect > | ParallelOps::max (const Real &a_val, const RealVect &a_pos) noexcept |
| Get the maximum value and the position corresponding to the maximum value of a_val. | |
| std::pair< Real, int > | ParallelOps::maxRank (const Real &a_val) noexcept |
| Get the maximum value and the rank having the maximum value. | |
| std::pair< Real, int > | ParallelOps::minRank (const Real &a_val) noexcept |
| Get the minimum value and the rank having the minimum value. | |
| Real | ParallelOps::average (const Real &a_val) noexcept |
| Compute the average (across MPI ranks) of the input value. | |
| Real | ParallelOps::sum (const Real &a_value) noexcept |
| Compute the sum across all MPI ranks. | |
| int | ParallelOps::sum (const int &a_value) noexcept |
| Compute the sum across all MPI ranks. | |
| long | ParallelOps::sum (const long &a_value) noexcept |
| Compute the sum across all MPI ranks. | |
| long long | ParallelOps::sum (const long long &a_value) noexcept |
| Compute the sum across all MPI ranks. | |
| unsigned long long | ParallelOps::sum (const unsigned long long &a_value) noexcept |
| Compute the sum across all MPI ranks. | |
| Real | ParallelOps::standardDeviation (const Real &a_value) noexcept |
| Compute the standard deviation of the input value. | |
| void | ParallelOps::sum (Vector< Real > &a_data) noexcept |
| Perform a summation of all the MPI ranks's input data. | |
| void | ParallelOps::sum (Vector< int > &a_data) noexcept |
| Perform a summation of all the MPI ranks's input data. | |
| void | ParallelOps::sum (Vector< long int > &a_data) noexcept |
| Perform a summation of all the MPI ranks's input data. | |
| void | ParallelOps::sum (Vector< long long int > &a_data) noexcept |
| Perform a summation of all the MPI ranks's input data. | |
| Vector< int > | ParallelOps::gather (const int &a_localValue) noexcept |
| Gather local values – return a vector of local values. | |
| Vector< Real > | ParallelOps::gather (const Real &a_localValue) noexcept |
| Gather local values – return a vector of local values. | |
Detailed Description
Agglomeration of basic MPI reductions.
