[Python] 메소드 별 입출력 속도 비교

파이썬 입출력 속도 비교.

입력속도

1	PyPy	int(sys.stdin.readline())	0.9229
2	PyPy	map(int,os.read(0, 100000000).split('\n'))	1.1169
3	PyPy3	map(int,os.read(0, 100000000).decode('utf-8').split('\n'))	1.5408
4	PyPy	int(raw_input())	1.925
5	Python 3	map(int,os.read(0, 100000000).decode('utf-8').split('\n'))	4.4033
6	Python 3	int(sys.stdin.readline())	4.4394
7	PyPy3	int(sys.stdin.readline())	6.6291
8	Python 3	int(input())	12.4443
9	PyPy3	int(input())	17.3772
10	PyPy	input()	110.3676

 

출력속도

1	PyPy	for i in xrange(1,n+1): sys.stdout.write(str(i)+'\n')	0.9847
2	PyPy3	for i in range(1,n+1): sys.stdout.write(str(i)+'\n')	1.3722
3	PyPy	print '\n'.join(map(str,xrange(1,n+1)))	1.3738
4	PyPy	sys.stdout.write('\n'.join(map(str,xrange(1,n+1))))	1.3772
5	PyPy	for i in xrange(1,n+1): print i	1.4968
6	Python 3	print('\n'.join(map(str,range(1,n+1))))	2.3312
7	Python 3	sys.stdout.write('\n'.join(map(str,range(1,n+1))))	2.337
8	PyPy	sys.stdout.write(''.join(str(i)+'\n' for i in xrange(1,n+1)))	2.3935
9	PyPy	print ''.join(str(i)+'\n' for i in xrange(1,n+1))	2.3974
10	PyPy3	for i in range(1,n+1): print(i)	3.051

ref

https://www.acmicpc.net/blog/view/56

https://www.acmicpc.net/blog/view/57