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PCDVD數位科技討論區
(https://www.pcdvd.com.tw/index.php)
- 效能極限
(https://www.pcdvd.com.tw/forumdisplay.php?f=18)
- - [分享]PITAST,測試系統效能的小東西∼
(https://www.pcdvd.com.tw/showthread.php?t=215387)
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請問有跑完程式是代表測試OK嗎?
XP-1800+ no OC 1G RAM Program : PiFast version 4.2, by Xavier Gourdon Computation of 33554432 digits of Pi Method used : Chudnovsky Size of FFT : 4096 K Physical memory used : ~ 230640 K Disk memory used : ~ 0.00 Meg ------------------------------------------------------------ Computation run information : Start : Fri Jun 06 00:11:01 2003 End : Fri Jun 06 00:15:50 2003 Duration : 288.28 seconds ====================================================== Total computation time : 288.28 seconds (~ 0.08 hours) ====================================================== |
引用:
你都沒設參數就給它跑下去喔...288.28S??? 不會吧:eek: |
引用:
不會啊∼ 如果你是設定我說的參數, 這樣算很讚囉! |
引用:
Program : PiFast version 4.2, by Xavier Gourdon Computation of 33554432 digits of Pi Method used : Chudnovsky Size of FFT : 4096 K Physical memory used : ~ 230640 K Disk memory used : ~ 0.00 Meg ------------------------------------------------------------ Computation run information : Start : Fri Jun 06 06:53:37 2003 End : Fri Jun 06 06:57:12 2003 Duration : 215.81 seconds ====================================================== Total computation time : 215.81 seconds (~ 0.06 hours) ====================================================== 兄台的記憶體很大啊! 超一下吧! 成績應該也挺可觀的喔! |
推
以前懷疑記憶體有問題的時候 SuperPi還不見得會死, 但是pifast跑一下就重開機了..... |
跑了一下32M, 265.20秒
P4-2.53G w/SIS648, 512MB DDR333 |
這裡
4.3版 Current version : PiFast43 (version 4.3, released on Jul 05 2003, fixed on Jul 08 2003). New features of version 4.3 : * Faster than previous version : 4-5% for pi computations, and more (10-15%) for e computations * A serious (but rare) bug discovered by Shigeru Kondo in the computation of 64 million digits of e=1/exp(-1) was fixed. The bug existed since version 4.0 * Ability to specify a factor suffix k,K,m,M,g,G after the number of digits (k=1000,K=1024,m=1000000,M=1,048,576...) * Maximum number of digits is now 17 billion (instead of 12 billion with previous versions) |
生手...p4 2.4cg is7 ddr400 512mb
Program : PiFast version 4.3 (fix 1), by Xavier Gourdon Computation of 4194304 digits of Pi Method used : Chudnovsky Size of FFT : 512 K Physical memory used : ~ 29536 K Disk memory used : ~ 0.00 Meg ------------------------------------------------------------ Computation run information : Start : Fri Sep 12 17:45:53 2003 End : Fri Sep 12 17:46:30 2003 Duration : 37.39 seconds ============================================================ Total computation time : 37.39 seconds (~ 0.01 hours) 同時在跑 p95 |
引用:
一年前就玩過這個了,當時還拿quickpi來比較 quickpi在數值不大的時候比pifast還快很多 (而且記憶體使用量極大) 不過最新版pifast好像比quickpi快了 |
用了最新版的pifast43算32m
pifast43 windows xp sp1 Series computing time : 187.56 Division time : 22.59 InvSqrt time : 9.02 Final huge multiplication time : 7.45 --------------------------------------------------------------- Total computation time : 227.38 seconds(~ 0.06 hours) pifast43 windows server 2003 Series computing time : 183.31 Division time : 21.78 InvSqrt time : 8.73 Final huge multiplication time : 7.14 --------------------------------------------------------------- Total computation time : 222.70 seconds(~ 0.06 hours) Windows Server 2003果然是強悍!!! 我的配備 P42.4CG DDR400 512MB 雙通道 Intel 865G at 400fsb |
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