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C++ KmerCounter::add_sequence方法代码示例

本文整理汇总了C++中KmerCounter::add_sequence方法的典型用法代码示例。如果您正苦于以下问题:C++ KmerCounter::add_sequence方法的具体用法?C++ KmerCounter::add_sequence怎么用?C++ KmerCounter::add_sequence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KmerCounter的用法示例。


在下文中一共展示了KmerCounter::add_sequence方法的1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: populate_kmer_counter_from_reads

void populate_kmer_counter_from_reads (KmerCounter& kcounter, string& fasta_filename) {
    unsigned int kmer_length = kcounter.get_kmer_length();
    int i, myTid;
    unsigned long sum,
        *record_counter = new unsigned long[omp_get_max_threads()];
    unsigned long start, end;

    // init record counter
    for (int i = 0; i < omp_get_max_threads(); i++) {
        record_counter[i] = 0;
    }


    cerr << "-storing Kmers..." << "\n";
    start = time(NULL);

    Fasta_reader fasta_reader(fasta_filename);

    unsigned int entry_num = 0;

#pragma omp parallel private (myTid)
    {
        myTid = omp_get_thread_num();
        record_counter[myTid] = 0;

        while (fasta_reader.hasNext()) {
            Fasta_entry fe = fasta_reader.getNext();
            string accession = fe.get_accession();

#pragma omp atomic
            entry_num++;
            record_counter[myTid]++;
            
            if (IRKE_COMMON::MONITOR >= 4) {
                cerr << "[" << entry_num << "] acc: " << accession << ", by thread no: " << myTid << "\n";;
            }
            else if (IRKE_COMMON::MONITOR) {
                if (myTid == 0 && record_counter[myTid] % 1000 == 0)
                    {
                        sum = record_counter[0];
                        for (i=1; i<omp_get_num_threads(); i++)
                            sum+= record_counter[i];
                        cerr << "\r [" << sum << "] sequences parsed.     ";
                    }
            }
            
            string seq = fe.get_sequence();

            if (seq.length() < KMER_SIZE + 1) {
                continue;
            }
            kcounter.add_sequence(seq);

        }
        
        cerr << "\n" << " done parsing " << sum << " sequences, extracted " << kcounter.size() << " kmers, taking " << (end-start) << " seconds." << "\n";
        
        
    }


    return;
    
}
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