- 论坛徽章:
- 1
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可以测试一下这个:
- flw@Sleeper:~$ cat ttt.pl
- #!/usr/bin/perl
- print STDERR `free`;
- for $i (1..10000000){
- $count++;
- }
- print STDERR `free`;
- flw@Sleeper:~$ cat ttt.py
- #!/usr/bin/python
- import os;
- import sys;
- for line in os.popen("free"):
- sys.stderr.write(line)
- count=0
- for i in range(0,10000000):
- count+=1
- for line in os.popen("free"):
- sys.stderr.write(line)
- flw@Sleeper:~$
复制代码
我这里是:
- flw@Sleeper:~$ time ./ttt.pl
- total used free shared buffers cached
- Mem: 321808 135868 185940 0 11360 54560
- -/+ buffers/cache: 69948 251860
- Swap: 128480 0 128480
- total used free shared buffers cached
- Mem: 321808 135868 185940 0 11360 54560
- -/+ buffers/cache: 69948 251860
- Swap: 128480 0 128480
- real 0m1.394s
- user 0m1.364s
- sys 0m0.032s
- flw@Sleeper:~$ time ./ttt.py
- total used free shared buffers cached
- Mem: 321808 136768 185040 0 11348 54560
- -/+ buffers/cache: 70860 250948
- Swap: 128480 0 128480
- total used free shared buffers cached
- Mem: 321808 255028 66780 0 11360 54560
- -/+ buffers/cache: 189108 132700
- Swap: 128480 0 128480
- real 0m5.894s
- user 0m4.428s
- sys 0m1.464s
- flw@Sleeper:~$
复制代码 |
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