Zengtudor/DNASequence
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Zengtudor 2024-09-19 22:57:08 +08:00
parent d004b448e4
commit 3779079530
1 changed files with 1 additions and 13 deletions
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14
src/main.cpp
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@ -28,7 +28,7 @@
//最大DNA序列长度 //最大DNA序列长度
const size_t MAX_SIZE_PER_DNA = 5e4+5; const size_t MAX_SIZE_PER_DNA = 5e4+5;
void reverseComplement(char *begin, char *end) //注意这里使用引用DNA sequence，避免拷贝开销 void reverseComplement(char *begin, char *end) //注意end是开区间，不能访问end
{ {
static const std::unordered_map<char, char> complement = { //这里使用查表的方式大大提高CPU速度，因为if分支CPU不容易命中缓存，需要使用查表加速 static const std::unordered_map<char, char> complement = { //这里使用查表的方式大大提高CPU速度，因为if分支CPU不容易命中缓存，需要使用查表加速
{'A', 'T'}, {'a', 'T'}, {'A', 'T'}, {'a', 'T'},
@ -155,20 +155,8 @@ int main()
Spent chunk_write_spent(zt::fmt("write_chunk_id:[",chunk_id,"] , ","[Wrote bytes] ",NAME_VALUE(start_pos))); Spent chunk_write_spent(zt::fmt("write_chunk_id:[",chunk_id,"] , ","[Wrote bytes] ",NAME_VALUE(start_pos)));
output_file_stream.write(buf.data(), start_pos); output_file_stream.write(buf.data(), start_pos);
} }
// zt::print("[Wrote bytes] ",NAME_VALUE(start_pos),"\n");
// const std::string_view suffix("\n"); //设置一个每个DNA序列结尾的字符，这里是以\n换行来结尾
// if (lines == true){
// // output_file_stream << reverseComplement(buf) << endl;
// reverseComplement(buf,buf_len);
// }
// // buf+=suffix;
// for(std::remove_const_t<decltype(suffix.size())> i=0;i<suffix.size();i++){
// buf[buf_len+i] = suffix[i];
// }
// output_file_stream.write(buf.data(), buf_len+suffix.size()); // 写入文件
} }
}catch(const std::exception &e){ }catch(const std::exception &e){