发表于 ： 2007-10-26 10:27
2的20次方wanzcong 写了：跟m$下的不一样啊，计算的值怎么差那么多？20是指的100万吧？
分页： 2 / 4
发表于 ： 2007-11-19 2:09
hefang@hefang-desktop:~$ time pi 1048576 > /dev/null
real 0m7.043s
user 0m6.916s
sys 0m0.096s
real 0m7.043s
user 0m6.916s
sys 0m0.096s
发表于 ： 2007-11-19 2:14
hefang@hefang-desktop:~$ ./super_pi
Version 2.0 of the super_pi for Linux OS
Fortran source program was translated into C program with version 19981204 of
f2c, then generated C source program was optimized manually.
pgcc 3.2-3 with compile option of "-fast -tp px -Mbuiltin -Minline=size:1000 -Mnoframe -Mnobounds -Mcache_align -Mdalign -Mnoreentrant" was used for the
compilation.
------ Started super_pi run : 2007年 11月 19日 星期一 02:14:53 CST
Parameter(%i) to super_pi is missing. Parameter value ? 20
Start of PI calculation up to 1048576 decimal digits
End of initialization. Time= 0.368 Sec.
I= 1 L= 0 Time= 1.164 Sec.
I= 2 L= 0 Time= 1.324 Sec.
I= 3 L= 1 Time= 1.344 Sec.
I= 4 L= 2 Time= 1.336 Sec.
I= 5 L= 5 Time= 1.340 Sec.
I= 6 L= 10 Time= 1.332 Sec.
I= 7 L= 21 Time= 1.340 Sec.
I= 8 L= 43 Time= 1.328 Sec.
I= 9 L= 87 Time= 1.324 Sec.
I=10 L= 174 Time= 1.332 Sec.
I=11 L= 349 Time= 1.324 Sec.
I=12 L= 698 Time= 1.336 Sec.
I=13 L= 1396 Time= 1.332 Sec.
I=14 L= 2794 Time= 1.324 Sec.
I=15 L= 5588 Time= 1.336 Sec.
I=16 L= 11176 Time= 1.332 Sec.
I=17 L= 22353 Time= 1.312 Sec.
I=18 L= 44707 Time= 1.280 Sec.
I=19 L= 89415 Time= 1.192 Sec.
End of main loop
End of calculation. Time= 26.362 Sec.
Version 2.0 of the super_pi for Linux OS
Fortran source program was translated into C program with version 19981204 of
f2c, then generated C source program was optimized manually.
pgcc 3.2-3 with compile option of "-fast -tp px -Mbuiltin -Minline=size:1000 -Mnoframe -Mnobounds -Mcache_align -Mdalign -Mnoreentrant" was used for the
compilation.
------ Started super_pi run : 2007年 11月 19日 星期一 02:14:53 CST
Parameter(%i) to super_pi is missing. Parameter value ? 20
Start of PI calculation up to 1048576 decimal digits
End of initialization. Time= 0.368 Sec.
I= 1 L= 0 Time= 1.164 Sec.
I= 2 L= 0 Time= 1.324 Sec.
I= 3 L= 1 Time= 1.344 Sec.
I= 4 L= 2 Time= 1.336 Sec.
I= 5 L= 5 Time= 1.340 Sec.
I= 6 L= 10 Time= 1.332 Sec.
I= 7 L= 21 Time= 1.340 Sec.
I= 8 L= 43 Time= 1.328 Sec.
I= 9 L= 87 Time= 1.324 Sec.
I=10 L= 174 Time= 1.332 Sec.
I=11 L= 349 Time= 1.324 Sec.
I=12 L= 698 Time= 1.336 Sec.
I=13 L= 1396 Time= 1.332 Sec.
I=14 L= 2794 Time= 1.324 Sec.
I=15 L= 5588 Time= 1.336 Sec.
I=16 L= 11176 Time= 1.332 Sec.
I=17 L= 22353 Time= 1.312 Sec.
I=18 L= 44707 Time= 1.280 Sec.
I=19 L= 89415 Time= 1.192 Sec.
End of main loop
End of calculation. Time= 26.362 Sec.
发表于 ： 2007-11-20 6:36
time pi 1048576 > /dev/null
real 0m17.390s
user 0m14.541s
sys 0m0.296s
real 0m17.390s
user 0m14.541s
sys 0m0.296s
发表于 ： 2007-11-20 9:18
6600
发表于 ： 2007-11-20 20:47
time pi 1048576
real 0m8.395s
user 0m7.004s
sys 0m0.248s
super pi是不支持双核，计算时我的一个CPU在工作
real 0m8.395s
user 0m7.004s
sys 0m0.248s
super pi是不支持双核，计算时我的一个CPU在工作
发表于 ： 2007-11-21 3:25
代码： 全选
$ sh super_pi 20
Version 2.0 of the super_pi for Linux OS
Fortran source program was translated into C program with version 19981204 of
f2c, then generated C source program was optimized manually.
pgcc 3.2-3 with compile option of "-fast -tp px -Mbuiltin -Minline=size:1000 -Mnoframe -Mnobounds -Mcache_align -Mdalign -Mnoreentrant" was used for the
compilation.
------ Started super_pi run : 2007年 11月 21日 星期三 03:23:18 CST
Start of PI calculation up to 1048576 decimal digits
End of initialization. Time= 0.612 Sec.
I= 1 L= 0 Time= 1.848 Sec.
I= 2 L= 0 Time= 2.108 Sec.
I= 3 L= 1 Time= 2.104 Sec.
I= 4 L= 2 Time= 2.136 Sec.
I= 5 L= 5 Time= 2.136 Sec.
I= 6 L= 10 Time= 2.096 Sec.
I= 7 L= 21 Time= 2.072 Sec.
I= 8 L= 43 Time= 2.152 Sec.
I= 9 L= 87 Time= 2.124 Sec.
I=10 L= 174 Time= 2.124 Sec.
I=11 L= 349 Time= 2.112 Sec.
I=12 L= 698 Time= 2.208 Sec.
I=13 L= 1396 Time= 2.168 Sec.
I=14 L= 2794 Time= 2.184 Sec.
I=15 L= 5588 Time= 2.076 Sec.
I=16 L= 11176 Time= 2.108 Sec.
I=17 L= 22353 Time= 2.076 Sec.
I=18 L= 44707 Time= 1.996 Sec.
I=19 L= 89415 Time= 1.844 Sec.
End of main loop
End of calculation. Time= 41.927 Sec.
End of data output. Time= 0.236 Sec.
Total calculation(I/O) time= 42.163( 1.140) Sec.
------ Ended super_pi run : 2007年 11月 21日 星期三 03:24:10 CST
发表于 ： 2007-11-21 11:37
AMD 3200＋ 的效果
代码： 全选
Version 2.0 of the super_pi for Linux OS
Fortran source program was translated into C program with version 19981204 of
f2c, then generated C source program was optimized manually.
pgcc 3.2-3 with compile option of "-fast -tp px -Mbuiltin -Minline=size:1000 -Mnoframe -Mnobounds -Mcache_align -Mdalign -Mnoreentrant" was used for the
compilation.
------ Started super_pi run : 2007年 11月 21日 星期三 11:35:29 CST
Parameter(%i) to super_pi is missing. Parameter value ? 20
Start of PI calculation up to 1048576 decimal digits
End of initialization. Time= 0.524 Sec.
I= 1 L= 0 Time= 1.604 Sec.
I= 2 L= 0 Time= 1.836 Sec.
I= 3 L= 1 Time= 1.828 Sec.
I= 4 L= 2 Time= 1.840 Sec.
I= 5 L= 5 Time= 1.832 Sec.
I= 6 L= 10 Time= 1.840 Sec.
I= 7 L= 21 Time= 1.844 Sec.
I= 8 L= 43 Time= 1.844 Sec.
I= 9 L= 87 Time= 1.836 Sec.
I=10 L= 174 Time= 1.836 Sec.
I=11 L= 349 Time= 1.844 Sec.
I=12 L= 698 Time= 1.832 Sec.
I=13 L= 1396 Time= 1.836 Sec.
I=14 L= 2794 Time= 1.836 Sec.
I=15 L= 5588 Time= 1.840 Sec.
I=16 L= 11176 Time= 1.832 Sec.
I=17 L= 22353 Time= 1.816 Sec.
I=18 L= 44707 Time= 1.764 Sec.
I=19 L= 89415 Time= 1.640 Sec.
End of main loop
End of calculation. Time= 36.366 Sec.
End of data output. Time= 0.188 Sec.
Total calculation(I/O) time= 36.554( 1.120) Sec.
------ Ended super_pi run : 2007年 11月 21日 星期三 11:36:43 CST发表于 ： 2007-11-21 11:45
代码： 全选
tenfar@tenfar-laptop:~$ time pi 1048576 > /dev/null
real 0m11.571s
user 0m11.161s
sys 0m0.164s
tenfar@tenfar-laptop:~$发表于 ： 2007-11-21 19:17
AMD1800+的效果
代码： 全选
------ Started super_pi run : 2007年 11月 21日 星期三 19:15:08 CST
Parameter(%i) to super_pi is missing. Parameter value ? 20
Start of PI calculation up to 1048576 decimal digits
End of initialization. Time= 0.928 Sec.
I= 1 L= 0 Time= 2.948 Sec.
I= 2 L= 0 Time= 3.388 Sec.
I= 3 L= 1 Time= 3.364 Sec.
I= 4 L= 2 Time= 3.360 Sec.
I= 5 L= 5 Time= 3.376 Sec.
I= 6 L= 10 Time= 3.368 Sec.
I= 7 L= 21 Time= 3.392 Sec.
I= 8 L= 43 Time= 3.368 Sec.
I= 9 L= 87 Time= 3.364 Sec.
I=10 L= 174 Time= 3.380 Sec.
I=11 L= 349 Time= 3.396 Sec.
I=12 L= 698 Time= 3.364 Sec.
I=13 L= 1396 Time= 3.384 Sec.
I=14 L= 2794 Time= 3.372 Sec.
I=15 L= 5588 Time= 3.376 Sec.
I=16 L= 11176 Time= 3.352 Sec.
I=17 L= 22353 Time= 3.328 Sec.
I=18 L= 44707 Time= 3.228 Sec.
I=19 L= 89415 Time= 2.964 Sec.
End of main loop
End of calculation. Time= 66.708 Sec.
End of data output. Time= 0.256 Sec.
Total calculation(I/O) time= 66.964( 2.220) Sec.
------ Ended super_pi run : 2007年 11月 21日 星期三 19:16:17 CST
发表于 ： 2007-11-24 23:38
Version 2.0 of the super_pi for Linux OS
Fortran source program was translated into C program with version 19981204 of
f2c, then generated C source program was optimized manually.
pgcc 3.2-3 with compile option of "-fast -tp px -Mbuiltin -Minline=size:1000 -Mnoframe -Mnobounds -Mcache_align -Mdalign -Mnoreentrant" was used for the
compilation.
------ Started super_pi run : 2007年 11月 24日 星期六 23:36:36 CST
Start of PI calculation up to 1048576 decimal digits
End of initialization. Time= 0.214 Sec.
I= 1 L= 0 Time= 0.687 Sec.
I= 2 L= 0 Time= 0.795 Sec.
I= 3 L= 1 Time= 0.793 Sec.
I= 4 L= 2 Time= 0.795 Sec.
I= 5 L= 5 Time= 0.794 Sec.
I= 6 L= 10 Time= 0.795 Sec.
I= 7 L= 21 Time= 0.795 Sec.
I= 8 L= 43 Time= 0.793 Sec.
I= 9 L= 87 Time= 0.794 Sec.
I=10 L= 174 Time= 0.794 Sec.
I=11 L= 349 Time= 0.793 Sec.
I=12 L= 698 Time= 0.793 Sec.
I=13 L= 1396 Time= 0.797 Sec.
I=14 L= 2794 Time= 0.790 Sec.
I=15 L= 5588 Time= 0.789 Sec.
I=16 L= 11176 Time= 0.782 Sec.
I=17 L= 22353 Time= 0.774 Sec.
I=18 L= 44707 Time= 0.748 Sec.
I=19 L= 89415 Time= 0.700 Sec.
End of main loop
End of calculation. Time= 15.627 Sec.
End of data output. Time= 0.087 Sec.
Total calculation(I/O) time= 15.714( 0.643) Sec.
------ Ended super_pi run : 2007年 11月 24日 星期六 23:36:52 CST
不对劲啊，
Fortran source program was translated into C program with version 19981204 of
f2c, then generated C source program was optimized manually.
pgcc 3.2-3 with compile option of "-fast -tp px -Mbuiltin -Minline=size:1000 -Mnoframe -Mnobounds -Mcache_align -Mdalign -Mnoreentrant" was used for the
compilation.
------ Started super_pi run : 2007年 11月 24日 星期六 23:36:36 CST
Start of PI calculation up to 1048576 decimal digits
End of initialization. Time= 0.214 Sec.
I= 1 L= 0 Time= 0.687 Sec.
I= 2 L= 0 Time= 0.795 Sec.
I= 3 L= 1 Time= 0.793 Sec.
I= 4 L= 2 Time= 0.795 Sec.
I= 5 L= 5 Time= 0.794 Sec.
I= 6 L= 10 Time= 0.795 Sec.
I= 7 L= 21 Time= 0.795 Sec.
I= 8 L= 43 Time= 0.793 Sec.
I= 9 L= 87 Time= 0.794 Sec.
I=10 L= 174 Time= 0.794 Sec.
I=11 L= 349 Time= 0.793 Sec.
I=12 L= 698 Time= 0.793 Sec.
I=13 L= 1396 Time= 0.797 Sec.
I=14 L= 2794 Time= 0.790 Sec.
I=15 L= 5588 Time= 0.789 Sec.
I=16 L= 11176 Time= 0.782 Sec.
I=17 L= 22353 Time= 0.774 Sec.
I=18 L= 44707 Time= 0.748 Sec.
I=19 L= 89415 Time= 0.700 Sec.
End of main loop
End of calculation. Time= 15.627 Sec.
End of data output. Time= 0.087 Sec.
Total calculation(I/O) time= 15.714( 0.643) Sec.
------ Ended super_pi run : 2007年 11月 24日 星期六 23:36:52 CST
不对劲啊，
发表于 ： 2007-11-25 19:22
成绩和WIN下差不多｀｀｀｀｀还可以 ｀｀
发表于 ： 2007-11-25 21:57
AMD Sempron 3000+(oc 3600+)
代码： 全选
bobby@bobby-pc:~/桌面$ sh super_pi 20
Version 2.0 of the super_pi for Linux OS
Fortran source program was translated into C program with version 19981204 of
f2c, then generated C source program was optimized manually.
pgcc 3.2-3 with compile option of "-fast -tp px -Mbuiltin -Minline=size:1000 -Mnoframe -Mnobounds -Mcache_align -Mdalign -Mnoreentrant" was used for the
compilation.
------ Started super_pi run : 2007年 11月 25日 星期日 21:54:18 CST
Start of PI calculation up to 1048576 decimal digits
End of initialization. Time= 0.484 Sec.
I= 1 L= 0 Time= 1.512 Sec.
I= 2 L= 0 Time= 1.704 Sec.
I= 3 L= 1 Time= 1.704 Sec.
I= 4 L= 2 Time= 1.708 Sec.
I= 5 L= 5 Time= 1.708 Sec.
I= 6 L= 10 Time= 1.716 Sec.
I= 7 L= 21 Time= 1.720 Sec.
I= 8 L= 43 Time= 1.720 Sec.
I= 9 L= 87 Time= 1.708 Sec.
I=10 L= 174 Time= 1.724 Sec.
I=11 L= 349 Time= 1.720 Sec.
I=12 L= 698 Time= 1.708 Sec.
I=13 L= 1396 Time= 1.712 Sec.
I=14 L= 2794 Time= 1.704 Sec.
I=15 L= 5588 Time= 1.704 Sec.
I=16 L= 11176 Time= 1.692 Sec.
I=17 L= 22353 Time= 1.672 Sec.
I=18 L= 44707 Time= 1.640 Sec.
I=19 L= 89415 Time= 1.500 Sec.
End of main loop
End of calculation. Time= 33.814 Sec.
End of data output. Time= 0.184 Sec.
Total calculation(I/O) time= 33.998( 0.764) Sec.
------ Ended super_pi run : 2007年 11月 25日 星期日 21:54:53 CST
VMWare 中运行的结果
发表于 ： 2007-11-27 12:49
X61 中，XP上安装虚拟机 VMWare 5.5.3 的结果
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代码： 全选
Version 2.0 of the super_pi for Linux OS
Fortran source program was translated into C program with version 19981204 of
f2c, then generated C source program was optimized manually.
pgcc 3.2-3 with compile option of "-fast -tp px -Mbuiltin -Minline=size:1000 -Mnoframe -Mnobounds -Mcache_align -Mdalign -Mnoreentrant" was used for the
compilation.
------ Started super_pi run : Tue Nov 27 12:50:57 CST 2007
Start of PI calculation up to 1048576 decimal digits
End of initialization. Time= 0.380 Sec.
I= 1 L= 0 Time= 0.904 Sec.
I= 2 L= 0 Time= 1.076 Sec.
I= 3 L= 1 Time= 1.084 Sec.
I= 4 L= 2 Time= 1.052 Sec.
I= 5 L= 5 Time= 1.020 Sec.
I= 6 L= 10 Time= 1.032 Sec.
I= 7 L= 21 Time= 1.064 Sec.
I= 8 L= 43 Time= 1.104 Sec.
I= 9 L= 87 Time= 1.044 Sec.
I=10 L= 174 Time= 1.056 Sec.
I=11 L= 349 Time= 1.020 Sec.
I=12 L= 698 Time= 1.108 Sec.
I=13 L= 1396 Time= 1.048 Sec.
I=14 L= 2794 Time= 1.020 Sec.
I=15 L= 5588 Time= 1.016 Sec.
I=16 L= 11176 Time= 1.032 Sec.
I=17 L= 22353 Time= 1.076 Sec.
I=18 L= 44707 Time= 0.952 Sec.
I=19 L= 89415 Time= 0.956 Sec.
End of main loop
End of calculation. Time= 20.825 Sec.
End of data output. Time= 0.176 Sec.
Total calculation(I/O) time= 21.001( 1.440) Sec.
------ Ended super_pi run : Tue Nov 27 12:51:19 CST 2007[code]代码： 全选
代码： 全选
发表于 ： 2007-11-30 15:15
pi 和 super_pi 很不一样阿。
./pi 结果差距不大。 amd，intel 结果差不多。
/super_pi 差距很大。
./pi 用了浮点了？
./pi 结果差距不大。 amd，intel 结果差不多。
/super_pi 差距很大。
./pi 用了浮点了？