本文整理汇总了C++中ExecutionEngine::insertTask方法的典型用法代码示例。如果您正苦于以下问题：C++ ExecutionEngine::insertTask方法的具体用法？C++ ExecutionEngine::insertTask怎么用？C++ ExecutionEngine::insertTask使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ExecutionEngine的用法示例。
在下文中一共展示了ExecutionEngine::insertTask方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: main
int main(int argc, char **argv){
int concurrency = 1;
if (argc>1)
concurrency = atoi(argv[1]);
struct timeval t1, t2;
gettimeofday(&t1, NULL);
init_device_streams(1);
gettimeofday(&t2, NULL);
std::cerr<< "Time DEVICE init: " <<DIFF_TIME(t1, t2) <<" s." <<endl;
int concurrentThreadsSupported = (int)std::thread::hardware_concurrency();
if (concurrency > concurrentThreadsSupported - 2)
concurrency = concurrentThreadsSupported -2 ;
ExecutionEngine *execEngine = new ExecutionEngine(concurrency , 1, ExecEngineConstants::PRIORITY_QUEUE);
//ExecutionEngine *execEngine = new ExecutionEngine(2, 1, ExecEngineConstants::FCFS_QUEUE);
// int nextTaskDependency;
//std::cerr << "Number of threads: [" << concurentThreadsSupported << "]" <<std::endl;
// Creates first task, which does not have dependencies
JoinTask *ts = new JoinTask(JCARDINALITY);
size_t pos, pos2;
string input_line;
string tid ;
string prev_tid = "";
std::cerr << "I/O" ;
while(cin && getline(cin, input_line) && !cin.eof()) {
pos=input_line.find_first_of(TAB,0);
if (pos == string::npos){
cerr << "no TAB in the input! We are toasted." << endl;
return 1; // failure
}
tid= input_line.substr(0,pos); // tile id
// finished reading in a tile data, so perform cross matching
if (0 != tid.compare(prev_tid) && prev_tid.size()>0)
{
ts->setSpeedup(ExecEngineConstants::GPU,
gpuSpeedUp(ts->nr_vertices[0],
ts->nr_vertices[1],
ts->geom_arr[0]->size(),
ts->geom_arr[1]->size()));
ts->setSpeedup(ExecEngineConstants::CPU,
cpuSpeedUp(ts->nr_vertices[0],
ts->nr_vertices[1],
ts->geom_arr[0]->size(),
ts->geom_arr[1]->size()));
// Dispatches current tasks for execution
//std::cerr << ts->getId() << "-------" << prev_tid<< std::endl;
execEngine->insertTask(ts);
ts = new JoinTask(JCARDINALITY);
std::cerr << " [" <<prev_tid << "]" ;
}
// actual geometry info: did,oid,num_ver,mbb, geom
int i = input_line[pos+1] - '1'; // array position
pos2=input_line.find_first_of(COMMA,pos+3); //oid = input_line.substr(pos+3,pos2-pos-3)
pos=input_line.find_first_of(COMMA,pos2+1); //num_ver = input_line.substr(pos2+1,pos)
ts->nr_vertices[i] += std::stoi(input_line.substr(pos2+1,pos-pos2-1));
ts->geom_arr[i]->push_back(input_line.substr(pos2+1)); // mbb, geom
prev_tid = tid;
}
ts->setSpeedup(ExecEngineConstants::CPU,
gpuSpeedUp(ts->nr_vertices[0],
ts->nr_vertices[1],
ts->geom_arr[0]->size(),
ts->geom_arr[1]->size()));
ts->setSpeedup(ExecEngineConstants::GPU,
gpuSpeedUp(ts->nr_vertices[0],
ts->nr_vertices[1],
ts->geom_arr[0]->size(),
ts->geom_arr[1]->size()));
// Dispatches current tasks for execution
execEngine->insertTask(ts);
std::cerr << " ["<<tid << "]" << std::endl;
// Computing threads startup consuming tasks
execEngine->startupExecution();
// No more task will be assigned for execution. Waits
// until all currently assigned have finished.
execEngine->endExecution();
fini_device_streams(1);
delete execEngine;
return 0;
}示例2: main
int main(int argc, char **argv){
if (argc <2)
{
std::cerr <<"Missing argument.. " << endl;
return 0;
}
int loop = atoi (argv[1] );
struct timeval t1, t2;
gettimeofday(&t1, NULL);
init_device_streams(1);
gettimeofday(&t2, NULL);
std::cerr<< "Time DEVICE init: " <<DIFF_TIME(t1, t2) <<" s." <<endl;
int concurentThreadsSupported = (int)std::thread::hardware_concurrency();
//ExecutionEngine *execEngine = new ExecutionEngine(2, 1, ExecEngineConstants::FCFS_QUEUE);
// int nextTaskDependency;
//std::cerr << "Number of threads: [" << concurentThreadsSupported << "]" <<std::endl;
// Creates first task, which does not have dependencies
size_t pos, pos2;
string input_line;
string tid ;
string prev_tid = "";
std::cerr << "I/O" ;
while(cin && getline(cin, input_line) && !cin.eof()) {
pos=input_line.find_first_of(TAB,0);
if (pos == string::npos){
cerr << "no TAB in the input! We are toasted." << endl;
return 1; // failure
}
tid= input_line.substr(0,pos); // tile id
if (0 != tid.compare(prev_tid) && prev_tid.size()>0)
std::cerr << " [" <<prev_tid << "]" ;
// actual geometry info: did,oid,num_ver,mbb, geom
int i = input_line[pos+1] - '1'; // array position
pos2=input_line.find_first_of(COMMA,pos+3); //oid = input_line.substr(pos+3,pos2-pos-3)
pos=input_line.find_first_of(COMMA,pos2+1); //num_ver = input_line.substr(pos2+1,pos)
vertexes[tid][i] += std::stoi(input_line.substr(pos2+1,pos-pos2-1));
geoms[tid][i].push_back(input_line.substr(pos2+1)); // mbb, geom
prev_tid = tid;
}
std::cerr << std::endl;
JoinTask *jt = NULL;
map<string,map<int,vector<string> > >::iterator it;
map<string,map<int,int> >::iterator vertexes_iter;
while (loop-- > 0) {
std::cerr << "-------------------------------------------------------------------------" << std::endl;
ExecutionEngine *execEngine = new ExecutionEngine(concurentThreadsSupported-1, 1, ExecEngineConstants::PRIORITY_QUEUE);
// for each tile
for (it=geoms.begin(); it !=geoms.end(); ++it)
{
jt = new JoinTask(JCARDINALITY);
for (int i = 0 ; i < JCARDINALITY; i++){
jt->nr_vertices[i] = vertexes[it->first][i];
jt->geom_arr[i]->assign(
geoms[it->first][i].begin(),
geoms[it->first][i].end());
}
jt->setSpeedup(ExecEngineConstants::GPU,
gpuSpeedUp(jt->nr_vertices[0],
jt->nr_vertices[1],
jt->geom_arr[0]->size(),
jt->geom_arr[1]->size()));
jt->setSpeedup(ExecEngineConstants::CPU,
cpuSpeedUp(jt->nr_vertices[0],
jt->nr_vertices[1],
jt->geom_arr[0]->size(),
jt->geom_arr[1]->size()));
// Dispatches current tasks for execution
//std::cerr << ts->getId() << "-------" << prev_tid<< std::endl;
execEngine->insertTask(jt);
}
// Computing threads startup consuming tasks
execEngine->startupExecution();
// No more task will be assigned for execution. Waits
// until all currently assigned have finished.
execEngine->endExecution();
delete execEngine;
}
fini_device_streams(1);
return 0;
}