Kokkos Node API and Local Linear Algebra Kernels Version of the Day
Kokkos_TBBNode.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_TBBNode.hpp"
00043 #include <Teuchos_ParameterList.hpp>
00044 #include <iostream>
00045 
00046 // tbb::task_scheduler_init Kokkos::TBBNode::tsi_(tbb::task_scheduler_init::deferred);
00047 
00048 namespace Kokkos {
00049 
00050   TBBNode::TBBNode(Teuchos::ParameterList &pl) : alreadyInit_(false), tsi_(tbb::task_scheduler_init::deferred) {
00051     int numThreads = pl.get<int>("Num Threads",-1);
00052     int verbose = pl.get<int>("Verbose",0);
00053     if (numThreads >= 0) {
00054       if (verbose) {
00055         std::cout << "TBBNode initializing with numThreads == " << numThreads << std::endl;
00056       }
00057       init(numThreads);
00058     }
00059   }
00060 
00061   void TBBNode::init(int numThreads) {
00062     if (alreadyInit_) {
00063       tsi_.terminate();
00064     }
00065     // 
00066     if (numThreads >= 1) {
00067       tsi_.initialize(numThreads);
00068     }
00069     else {
00070       tsi_.initialize(tbb::task_scheduler_init::automatic);
00071     }
00072   }
00073 
00074   TBBNode::~TBBNode() {}
00075 
00076 }
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