Last change
on this file since 2340 was
2310,
checked in by ymipsl, 2 years ago
|
Implement small garbage collector for unfreed MPI windows and communicator.
YM
|
-
Property svn:executable set to
*
|
File size:
862 bytes
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Rev | Line | |
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[2310] | 1 | #ifndef __MPI_GARBAGE_COLLECTOR_HPP__ |
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| 2 | #define __MPI_GARBAGE_COLLECTOR_HPP__ |
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| 3 | #include "mpi.hpp" |
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| 4 | namespace xios |
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| 5 | { |
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| 6 | class CMpiGarbageCollector |
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| 7 | { |
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| 8 | |
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| 9 | private: |
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| 10 | |
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| 11 | struct SType |
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| 12 | { |
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| 13 | enum {COMM, WIN} type ; |
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| 14 | MPI_Comm comm ; |
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| 15 | MPI_Win win ; |
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| 16 | std::string str; |
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| 17 | } ; |
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| 18 | std::list<SType> stack_ ; |
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| 19 | |
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| 20 | public: |
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| 21 | |
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| 22 | void registerCommunicator(MPI_Comm& comm, std::string str="") { stack_.push_back(SType{SType::COMM, comm, MPI_WIN_NULL, str}) ;} |
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| 23 | void registerWindow(MPI_Win& win, std::string str="") { stack_.push_back(SType{SType::WIN, MPI_COMM_NULL, win, str}) ;} |
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| 24 | void release(void) |
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| 25 | { |
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| 26 | for( auto& it : stack_) |
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| 27 | if (it.type==SType::COMM) MPI_Comm_free(&it.comm); |
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| 28 | else if (it.type==SType::WIN) MPI_Win_free(&it.win); |
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| 29 | } |
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| 30 | } ; |
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| 31 | |
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| 32 | } |
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| 33 | |
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| 34 | #endif |
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