Reported large computations with PiFast

Pi large computations

These pi computations were done with PiFast and verified.
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

E large computations

These computations were done with PiFast, using the formula e=1/n!. They were verified with PiFast again from the formula e=1/(-1)n/n!.
Send me your e large computations with PiFast.
Number of digits Who Time Date Machine (processor, memory) PiFast Version
50,100,000,000 Shigeru Kondo 11 days Sep 04 2003 P4 3.2Ghz (2048 Mo) 4.4beta5
25,100,000,000 Shigeru Kondo 92 hours Aug 21 2003 P4 3.2Ghz (2048 Mo) 4.4beta5
17,100,000,000 Shigeru Kondou 98 hours Mar 2003 P4 3.06Ghz (2048 Mo) 4.3beta3
1,073,741,824 Stuart Lyster 7.27 hours Jan 2003 P4 1.6Ghz (512 Mo) 4.2
1,000,000,000 Shigeru Kondou 1 h 31 min Jan 2003 P4 3.4Ghz (2048 Mo) 4.2
1,000,000,000 Franceschini Marco 45 hours Feb 25 2001 PIII 733 (256 Mo) 3.3
12,884,901,000 Shigeru Kondo 167 hours Aug 16 2000 PIII 800 (1024 Mo) 3.3
6,442,450,944 Shigeru Kondo 70 hours Aug 02 2000 PIII 800 (1024 Mo) 3.3
3,221,225,472 Colin Martin 77 hours July 16 2000 Athlon 650 (128 Mo) 3.3
2,147,483,648 Shigeru Kondo 21 hours Jul 10 2000 PIII 933 (512 Mo) 3.3

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On 14 Oct 2003, 07:09.