Number of digits | Who | Time | Date | Machine (processor, memory) | PiFast Version |
|
25,000,000,000 | Shigeru Kondo | 17.6 days | Sep 2003 | P4 3.2Ghz (2048 Mo) | 4.4beta5 |
17,100,000,000 | Shigeru Kondo | 12 days | Apr 2003 | P4 3.06Ghz (2048 Mo) | 4.3beta3 |
5,001,000,000 | Fabrice Demoulins | 150.7 hours | Feb 2003 | P4 1.4Ghz (768 Mo) | 4.2 |
1,000,000,000 | Shigeru Kondou | 4.4 hours | Feb 2003 | P4 3.4Ghz (2048 Mo) | 4.2 |
1,073,741,824 | Stuart Lyster | 24.9 hours | Jan 2003 | P4 1.6Ghz (512 Mo) | 4.2 |
1,000,000,000 | Fabrice Demoulins | 33 hours | Jan 2003 | PIII 1Ghz (384 Mo) | 3.3 |
2,147,483,648 | Stuart Lyster | 68 hours | Nov 2002 | P4 1.6Ghz (512 Mo) | 4.1 |
268,435,456 | Stuart Lyster | 16.9 hours | Oct 2001 | PII 300 (256 Mo) | 4.1 |
268,435,456 | Stuart Lyster | 18.8 hours | Oct 2001 | PII 300 (128 Mo) | 4.1 |
1,000,000,000 | Shigeru Kondo | 9.2 hours | Sep 15 2001 | Athlon 1400 (2 Go) | 4.1 |
1,000,000,000 | Chad Schwieterman | 17.3 hours | Sep 5 2001 | AMD T-Bird 1.33GHz (640mb) | 4.0 |
536,870,912 | Stuart Lyster | 50.4 hours | Sep 5 2001 | PII 300 (128 Mo) | 4.0 |
1,000,000,000 | Shigeru Kondo | 13 hours | Sep 5 2001 | AMD T-Bird 1300 (1792 Mo) | 4.0 |
250,000,000 | Chad Schwieterman | 3.14 hours | Aug 23 2001 | AMD T-Bird 1.33GHz (640mb) | 3.3 |
2,000,000,000 | Ken Whitesell | 75 hours | Jun 16 2001 | (1024 Mo) | 3.3 |
1,000,100,000 | Michael Paridon | 34 hours | Apr 2001 | PIII 900 (128 Mo) | 3.3 |
8,000,001,000 | Gary Oliaro | 284.1 hours | Apr 10 2001 | Athlon 1050MHz (1Go) | 3.3 |
4,000,001,000 | Gary Oliaro | 117.6 hours | Mar 06 2001 | Athlon 1050MHz (1Go) | 3.3 |
2,000,001,000 | Gary Oliaro | 52.3 hours | Mar 28 2001 | Athlon 1050MHz (1Go) | 3.3 |
1,000,001,000 | Gary Oliaro | 21.5 hours | Mar 01 28 2001 | Athlon 1050MHz (1Go) | 3.3 |
500,001,000 | Gary Oliaro | 8.6 hours | Feb 28 2001 | Athlon 1050MHz (1Go) | 3.3 |
1,000,000,000 | Franceschini Marco | 137 hours | Feb 19 2001 | PIII 733 (256 Mo) | 3.3 |
12,884,901,372 | Shigeru Kondo | 523 hours | Oct 10 2000 | PIII 1000 (1792 Mo) | 3.3 |
10,737,418,240 | Shigeru Kondo | 494 hours | Aug 09 2000 | PIII 750 (1024 Mo) | 3.3 |
536,870,912 | Jack liu
| 17 h 28 min | May 11 2000 | PIII 800 (256 Mo) | 3.2 |
9,500,000,000 | Shigeru Kondo | 459 hours | May 07 2000 | PIII 800 (1024 Mo) | 3.1 |
8,000,000,000 | Shigeru Kondo | 384 hours | Apr 28 2000 | PIII 750 (1024 Mo) | 3.1 |
1,610,612,736 | Colin Martin | 126 hours | Mar 23 2000 | Athlon 650 (128 Mo)
| 3.2 |
805,306,368 | Colin Martin | 53 hours | Jan 20 2000 | Athlon 600 (128 Mo) | 3.2 |
6,442,450,944 | Shigeru Kondo | 286 hours | Jan 13 2000 | PIII 700 (1024 Mo) | 3.2 |
536,870,912 | Stuart Lyster | 56 h 9 min | Dec 26 1999 | PII 300 (128 Mo) | 3.1 |
268,435,456 | Stuart Lyster | 25 h 30 min | Dec 15 1999 | PII 300 (128 Mo) | 3.1 |
4,294,960,000 | Shigeru Kondo | 246 hours | Nov 13 1999 | PIII 550 (1024 Mo) | 3.1 |
2,684,354,560 | Shigeru Kondo | 245 hours | Oct 19 1999 | PIII 550 (1024 Mo) | 2.3 |
2,147,483,648 | Shigeru Kondo | 157 hours | Sep 13 1999 | PIII 550 (1024 Mo) | 2.3 |
1,610,612,736 | Shigeru Kondo | 119 hours | Aug 29 1999 | PIII 550 (1024 Mo) | 2.1 |
1,073,741,824 | Shigeru Kondo | 63.5 hours | Aug 13 1999 | PIII 550 (1024 Mo) | 2.1 |
268,435,456 | Stuart Lyster | 32 h 40 min | Aug 13 1999 | PII 300 (128 Mo) | 2.2 |
134,217,728 | Shigeru Kondo | 2 h 45 min. | Aug 4 1999 | PIII 550 (1024 Mo) | 1.1 |
67,108,864 | Stuart Lyster | 8 h 18 min | Jul 30 1999 | PII 300 (128 Mo) | 1.1 |
67,108,864 | Stuart Lyster | 19 h 12 min | Jul 21 1999 | PII 300 (128 Mo) | 1.0 |