Kokkos Node API and Local Linear Algebra Kernels Version of the Day
Kokkos_TPINode.cpp
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00004 //          Kokkos: Node API and Parallel Node Kernels
00005 //              Copyright (2008) Sandia Corporation
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00041 
00042 #include "Kokkos_TPINode.hpp"
00043 #include <iostream>
00044 #include <Teuchos_ParameterList.hpp>
00045 #include <Teuchos_Assert.hpp>
00046 
00047 namespace Kokkos {
00048 
00049   TPINode::TPINode(Teuchos::ParameterList &plist) {
00050     using std::cout;
00051     using std::cerr;
00052     using std::endl;
00053 
00054     curNumThreads_ = plist.get<int>("Num Threads", 0);
00055     int verbose = plist.get<int>("Verbose",0);
00056     TEUCHOS_TEST_FOR_EXCEPTION(curNumThreads_ < 0, std::runtime_error, 
00057         "TPINode::TPINode(): invalid ""Num Threads"" specification.");
00058     if (verbose) {
00059       cout << "TPINode initializing with numThreads == " << curNumThreads_ << std::endl;
00060     }
00061     init(curNumThreads_);
00062   }
00063 
00064   void TPINode::init(int numThreads) {
00065     if (curNumThreads_ >= 1) {
00066       TPI_Finalize();
00067     }
00068     curNumThreads_ = numThreads;
00069     if (curNumThreads_ >= 1) {
00070       TPI_Init(curNumThreads_);
00071     }
00072   }
00073 
00074   TPINode::~TPINode()
00075   {
00076     if (curNumThreads_ >= 1) {
00077       TPI_Finalize();
00078     }
00079   }
00080 
00081 }
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