Last change
on this file since 856 was
694,
checked in by rlacroix, 9 years ago
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Fix compilation issues caused by the new "remap" library.
Use our MPI header so that C++ bindings are always disabled.
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File size:
912 bytes
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Rev | Line | |
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[688] | 1 | #ifndef __MPI_CASCADE_HPP__ |
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| 2 | #define __MPI_CASCADE_HPP__ |
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| 3 | |
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[694] | 4 | #include "mpi.hpp" |
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[688] | 5 | #include <vector> |
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| 6 | #include <cassert> |
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| 7 | #include "misc.hpp" |
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| 8 | |
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| 9 | namespace sphereRemap { |
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| 10 | |
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| 11 | class CCascadeLevel |
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| 12 | { |
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| 13 | public: |
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| 14 | CCascadeLevel(MPI_Comm comm) : comm(comm) |
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| 15 | { |
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| 16 | MPI_Comm_size(comm, &size); |
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| 17 | MPI_Comm_rank(comm, &rank); |
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| 18 | } |
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| 19 | int colour() const { return rank % group_size; }; |
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| 20 | int key() const { return p_colour() + rank/(p_grp_size*group_size)*p_grp_size; } |
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| 21 | |
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| 22 | // perpendicular group |
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| 23 | int p_colour() const { return (rank%group_size + rank/group_size) % p_grp_size; } |
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| 24 | int p_key() const { return colour() + rank/(p_grp_size*group_size)*group_size; } |
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| 25 | |
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| 26 | MPI_Comm comm, pg_comm; |
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| 27 | int rank; |
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| 28 | int size; |
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| 29 | int group_size; // group_size and p_grp_size are interchanged?? FIXME |
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| 30 | int p_grp_size; |
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| 31 | }; |
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| 32 | |
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| 33 | class CMPICascade |
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| 34 | { |
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| 35 | public: |
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| 36 | // |
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| 37 | CMPICascade(int nodes_per_level, MPI_Comm comm); |
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| 38 | |
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| 39 | int num_levels; |
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| 40 | std::vector<CCascadeLevel> level; |
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| 41 | }; |
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| 42 | |
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| 43 | } |
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| 44 | #endif |
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