Kokkos Node API and Local Linear Algebra Kernels Version of the Day
Tsqr_MessengerBase.hpp
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00004 //          Kokkos: Node API and Parallel Node Kernels
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00041 
00042 #ifndef __TSQR_Tsqr_MessengerBase_hpp
00043 #define __TSQR_Tsqr_MessengerBase_hpp
00044 
00045 #include <Tsqr_ConfigDefs.hpp>
00046 
00047 
00048 namespace TSQR {
00056   template<class Datum>
00057   class MessengerBase {
00058   public:
00060     virtual ~MessengerBase() {}
00061 
00068     virtual void 
00069     send (const Datum sendData[], 
00070     const int sendCount, 
00071     const int destProc, 
00072     const int tag) = 0;
00073 
00080     virtual void 
00081     recv (Datum recvData[], 
00082     const int recvCount, 
00083     const int srcProc, 
00084     const int tag) = 0;
00085 
00102     virtual void 
00103     swapData (const Datum sendData[], 
00104         Datum recvData[], 
00105         const int sendRecvCount, 
00106         const int destProc, 
00107         const int tag) = 0;
00108 
00110     virtual Datum 
00111     globalSum (const Datum& inDatum) = 0;
00112 
00114     virtual void
00115     globalVectorSum (const Datum inData[], 
00116          Datum outData[], 
00117          const int count) = 0;
00118 
00122     virtual Datum 
00123     globalMin (const Datum& inDatum) = 0;
00124 
00128     virtual Datum 
00129     globalMax (const Datum& inDatum) = 0;
00130 
00132     virtual void
00133     broadcast (Datum data[], 
00134          const int count,
00135          const int root) = 0;
00136 
00138     virtual int rank () const = 0;
00139 
00141     virtual int size () const = 0;
00142 
00144     virtual void barrier () const = 0;
00145   };
00146 
00147 } // namespace TSQR
00148 
00149 #endif // __TSQR_Tsqr_MessengerBase_hpp
00150 
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