출력 속도 비교

2018년 1월 25일
baekjoon
댓글 (9개)
출력, 속도

여러가지 언어와 출력 방법을 이용해서 시간이 얼마나 걸리는지 비교해 보았습니다.

방법: 총 N개의 줄에 1부터 10,000,000까지의 자연수를 한 줄에 하나씩 출력하는 시간을 측정. 10번 측정해서 평균값으로 순위를 매김

순위	언어	출력 방법	평균 (초)
1	C11	`fwrite`	0.4423
2	C++17	`ios_base::sync_with_stdio(false); cout << i << '\n';`	0.827
3	C++17	`ios_base::sync_with_stdio(false); cout.tie(NULL); cout << i << '\n';`	0.8272
4	C++17	`printf("%d\n",i);`	0.8614
5	C11	`printf("%d\n",i);`	0.9118
6	C++17	`cout << i << '\n';`	0.9229
7	Java	`BufferedWriter, bf.write(i + "\n");`	0.9581
8	PyPy	`for i in xrange(1,n+1): sys.stdout.write(str(i)+'\n')`	0.9847
9	C++17	`s += to_string(i) + '\n';를 이용해 문자열 하나로 만든 다음, 마지막에 cout << s << '\n';`	1.1507
10	Java	`StringBuilder를 이용해 문자열 하나로 만든 다음, System.out.println(sb);`	1.1881
11	Java	`BufferedWriter, bf.write(Integer.toString(i)); bf.newLine();`	1.2556
12	PyPy3	`for i in range(1,n+1): sys.stdout.write(str(i)+'\n')`	1.3722
13	PyPy	`print '\n'.join(map(str,xrange(1,n+1)))`	1.3738
14	PyPy	`sys.stdout.write('\n'.join(map(str,xrange(1,n+1))))`	1.3772
15	PyPy	`for i in xrange(1,n+1): print i`	1.4968
16	Python 2	`print '\n'.join(map(str,xrange(1,n+1)))`	1.7621
17	Python 2	`sys.stdout.write('\n'.join(map(str,xrange(1,n+1))))`	1.7658
18	Java	`PrintWriter`	1.954
19	Python 3	`print('\n'.join(map(str,range(1,n+1))))`	2.3312
20	Python 3	`sys.stdout.write('\n'.join(map(str,range(1,n+1))))`	2.337
21	PyPy	`sys.stdout.write(''.join(str(i)+'\n' for i in xrange(1,n+1)))`	2.3935
22	PyPy	`print ''.join(str(i)+'\n' for i in xrange(1,n+1))`	2.3974
23	Python 2	`sys.stdout.write(''.join(str(i)+'\n' for i in xrange(1,n+1)))`	2.536
24	Python 2	`print ''.join(str(i)+'\n' for i in xrange(1,n+1))`	2.5372
25	PyPy3	`for i in range(1,n+1): print(i)`	3.051
26	Python 2	`for i in xrange(1,n+1): print i`	3.069
27	C# 6.0	`StreamWriter`	3.0959
28	PyPy3	`sys.stdout.write('\n'.join(map(str,range(1,n+1))))`	3.5625
29	PyPy3	`print('\n'.join(map(str,range(1,n+1))))`	3.566
30	Python 3	`sys.stdout.write(''.join(str(i)+'\n' for i in range(1,n+1)))`	3.6766
31	Python 3	`print(''.join(str(i)+'\n' for i in range(1,n+1)))`	3.6836
32	PyPy3	`print(''.join(str(i)+'\n' for i in range(1,n+1)))`	3.8326
33	PyPy3	`sys.stdout.write(''.join(str(i)+'\n' for i in range(1,n+1)))`	3.8339
34	C# 6.0	`StringBuilder를 이용해 문자열 하나로 만든 다음, Console.Write(sb);`	3.8562
35	Python 2	`for i in xrange(1,n+1): sys.stdout.write(str(i)+'\n')`	4.3475
36	Python 3	`for i in range(1,n+1): sys.stdout.write(str(i)+'\n')`	5.3699
37	Python 3	`for i in range(1,n+1): print(i)`	5.8186
38	PyPy	`for i in xrange(1,n+1): os.write(1,str(i)+'\n')`	10.4553
39	C++17	`cout << i << endl;`	11.5322
40	PyPy3	`for i in range(1,n+1): os.write(1,(str(i)+'\n').encode('utf-8'))`	12.0509
41	Python 2	`for i in xrange(1,n+1): os.write(1,str(i)+'\n')`	14.8269
42	Python 3	`for i in range(1,n+1): os.write(1,(str(i)+'\n').encode('utf-8'))`	18.2189
43	Java	`System.out.println(i);`	30.013
44	C# 6.0	`Console.WriteLine(i);`	30.1438

언어 정보

C11
- gcc (GCC) 7.2.0
- gcc a.c -o bin/a -O2 -std=c11
C++17
- g++ (GCC) 7.2.0
- g++ a.cpp -o bin/a -O2 -std=c++17
Java
- javac 1.8.0_151
- javac Main.java
Python 2
- Python 2.7.14
- python a.py
PyPy
- PyPy 5.10.0 with GCC 6.2.0 20160901
- pypy a.py
Python 3
- Python 3.6.3
- python3 a.py
PyPy3
- PyPy 5.10.0 with GCC 6.2.0 20160901
- pypy3 a.py
C# 6.0
- Mono C# compiler version 4.2.1.0
- mcs -codepage:utf8 -warn:0 -optimize+ -checked+ -clscheck- -reference:System.Numerics.dll Main.cs
- mono --optimize=all Main.exe