示例#1
0
void test1()
{
    ObjectPool<SmallObject> op;
    SmallObject* s = op.get();
    op.put(s);
    s = op.get();
    s = op.get();
    s = op.get();
    s = op.get();

    printf("++++++++++++++++\n");
}
void LexicalReorderingTableTree::auxCacheForSrcPhrase(const Phrase& f)
{
  if(m_FactorsE.empty()) {
    //f is all of key...
    Candidates cands;
    m_Table->GetCandidates(MakeTableKey(f,Phrase(ARRAY_SIZE_INCR)),&cands);
    m_Cache[MakeCacheKey(f,Phrase(ARRAY_SIZE_INCR))] = cands;
  } else {
    ObjectPool<PPimp>     pool;
    PPimp* pPos  = m_Table->GetRoot();
    //1) goto subtree for f
    for(size_t i = 0; i < f.GetSize() && 0 != pPos && pPos->isValid(); ++i) {
      /* old code
      pPos = m_Table.Extend(pPos, auxClearString(f.GetWord(i).ToString(m_FactorsF)), SourceVocId);
      */
      pPos = m_Table->Extend(pPos, f.GetWord(i).GetString(m_FactorsF, false), SourceVocId);
    }
    if(0 != pPos && pPos->isValid()) {
      pPos = m_Table->Extend(pPos, PrefixTreeMap::MagicWord);
    }
    if(0 == pPos || !pPos->isValid()) {
      return;
    }
    //2) explore whole subtree depth first & cache
    std::string cache_key = auxClearString(f.GetStringRep(m_FactorsF)) + "|||";

    std::vector<State> stack;
    stack.push_back(State(pool.get(PPimp(pPos->ptr()->getPtr(pPos->idx),0,0)),""));
    Candidates cands;
    while(!stack.empty()) {
      if(stack.back().pos->isValid()) {
        LabelId w = stack.back().pos->ptr()->getKey(stack.back().pos->idx);
        std::string next_path = stack.back().path + " " + m_Table->ConvertWord(w,TargetVocId);
        //cache this
        m_Table->GetCandidates(*stack.back().pos,&cands);
        if(!cands.empty()) {
          m_Cache[cache_key + auxClearString(next_path)] = cands;
        }
        cands.clear();
        PPimp* next_pos = pool.get(PPimp(stack.back().pos->ptr()->getPtr(stack.back().pos->idx),0,0));
        ++stack.back().pos->idx;
        stack.push_back(State(next_pos,next_path));
      } else {
        stack.pop_back();
      }
    }
  }
}
示例#3
0
文件: main.cpp 项目: chxuan/samples
int main()
{
    ObjectPool<A> pool;
    pool.add(std::unique_ptr<A>(new A()));
    pool.add(std::unique_ptr<A>(new A()));
    std::cout << "Object pool size: " << pool.size() << std::endl;

    {
        auto a = pool.get();
        a->print();
        pool.get();
        std::cout << "Object pool size: " << pool.size() << std::endl;
    }

    std::cout << "Object pool size: " << pool.size() << std::endl;

    return 0;
}
示例#4
0
void test2()
{
    TimeFilm tm("object pool: ");
    ObjectPool<SmallObject> op;
    SmallObject* s = 0;

    //int m = 1000000;
    int m = 100;
    Random rnd;
    const char* hello = "hello";
    while (--m)
    {
        //s = op.get();
        s = op.get(m,hello);
#if 1
        if (s && rnd(2))
        {
            printf("put\n");
            op.put(s);
        }
#endif
    }
}