Mersenne: PrimeStats, Perl script for the PrimeNet Top Producers Table
Hi Primepickers PrimeStats is a perl script that interogates the top producers table at: http://mersenne.org/ips/topproducers.shtml, after you've saved it to disk, it will give you a report on participants as specified by yourself in a seperate data file. The script will also give you a detailed report of the future prospects of one user ID that you supply to the script via the command line, this detailed report tells you how many people are in front of the user but going slower and how many people behind but going faster and gives you estimates of when the user will catch the pack in front and when the chasing pack will catch up etc. The script is available here: http://www.zeropps.uklinux.net/linstuff.html And here is a sample report that finds current details for 10 users and gives a detailed report for one of them (me): Run Date: Thu 15 Feb 2001 Participants counted: 20,018 Extra details for user ID: sjlen Position User Name CPU YearsExponentsCPU P90 Tested Hrs Per Day 1264 S18743 8.921 16225.16 3056 felipel 3.667 8 49.83 3171 sjlen3.512 7 66.59 3496 mbandsmer3.050 19 24.85 4021 Pse 2.488 5 45.91 5394 Lalo11.549 18 12.62 5981 S16318 1.319 3 28.17 6773 mage21 1.010 3 17.49 7411 S17376 0.838 2 19.11 7434 Paradoks 0.833 7 6.84 3171 sjlen3.512 7 66.59 712 people are faster than you but behind you, at an average speed of 115.27 CPU hours per day they are approximately 1.75 years behind you. You will be in the center of the chasing pack in something like 312.84 days. 825 people are slower than you but in front of you, at an average speed of51.04 CPU hours per day they are approximately 1.37 years in front of you. You should be in the middle of the pack that you are chasing in something like 763.26 days. Any comments or suggestetions for improvements or error reports are welcome. -- Cheers Steve email mailto:[EMAIL PROTECTED] %HAV-A-NICEDAY Error not enough coffee 0 pps. web http://www.zeropps.uklinux.net/ or http://start.at/zero-pps 3:39pm up 13 days, 17:18, 3 users, load average: 1.22, 1.18, 1.18 _ Unsubscribe list info -- http://www.scruz.net/~luke/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers
Mersenne Digest V1 #817
Mersenne Digest Thursday, February 15 2001 Volume 01 : Number 817 -- Date: Tue, 13 Feb 2001 09:44:56 -0500 From: Jud McCranie [EMAIL PROTECTED] Subject: Re: Mersenne: Processor short family histories At 12:54 AM 2/13/2001 -0600, Ken Kriesel wrote: Intel offered the 286 with 6, 8, 10, and 12.5 Mhz on one data sheet. AMD got to 16 on this one, but an early data sheet lists 4, 6, and 8 (and says reprinted by permission of Intel). FPU was separate. I don't recall a 286-20. Dell had one. At the time I got my Dell 20 MHz 386 (fall 1987) they had a 20 MHz 286. The 386 debuted at 12.5 and 16 Mhz. I thought it debuted at 16. I never heard of a 12.5 MHz 386. ++ | Jud McCranie | || | 137*2^261147+1 is prime! (78,616 digits, 5/2/00) | ++ _ Unsubscribe list info -- http://www.scruz.net/~luke/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers -- Date: Tue, 13 Feb 2001 17:20:43 +0100 From: Henk Stokhorst [EMAIL PROTECTED] Subject: Re: Mersenne: Processor short family histories Jud McCranie wrote: At the time I got my Dell 20 MHz 386 (fall 1987) they had a 20 MHz 286. ;-) If it is time to brag about our computers, I owned (still have it) a DAI homecomputer back in 1978 with a 8080A processor running at 2 MHz. And it was blazingly fast. YotN, Henk Stokhorst _ Unsubscribe list info -- http://www.scruz.net/~luke/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers -- Date: Tue, 13 Feb 2001 18:16:18 +-100 From: Denis Cazor [EMAIL PROTECTED] Subject: RE: Mersenne: P4 speed and implications thereof John R Pierce wrote the P4 is likely gonna ramp up to 2GHz, 3Ghz and beyond faster and farther than AMD can ramp up the Tbird. The problem with Intel, is they have difficulties to sustain AMD performance, so they wanted to announce higher frequencies, to be the first again. So they doubled the number of pipeline stage from 10 to 20 and they obtained a P4 - 1.4 GHz having the same performances a P3 - 700 MHz. The gain is only on "vectorized" data, when the pipe is full, as on graphics treatments. Jud McCranie wrote Yes, most Intel chips max out at about 2.5 times their initial speed, and they expect the P4 clock speed to go up by at least a factor of 10. And they claimed 1.4 GHz and perhaps 10 GHz soon,to make dreaming on P4. Tomorrow is another day Their objectif is only publicity. G4 with small number of pipe line stage has small frequencies but quite the same performances. On the way, 64 bits machines, with Thunderbird like, micro-decoded and 8086-compatible, very performant and inexpensive. Intel product, 8086-incompatible ... Best regards, Denis Cazor, Paris _ Unsubscribe list info -- http://www.scruz.net/~luke/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers -- Date: Tue, 13 Feb 2001 10:09:13 -0800 (PST) From: John R Pierce [EMAIL PROTECTED] Subject: Re: Mersenne: P4 speed and implications thereof On the way, 64 bits machines, with Thunderbird like, micro-decoded and 8086-compatible, very performant and inexpensive. Intel product, 8086-incompatible ... the 86 architecture is a dinosaur, designed in 1978 to inherit features of the 8080 which was designed in 1973, and needs to die. IA64's VLIW architecture is far more modern, and will carry performance to a far higher level than 64 bit extensions of the same old EAX, [EBX*4+ESI].offset stuff. Anyways, the IA64 has a full pentium compatibility mode, and supports mixed mode processing where you can have 64 bit code running under an extended 32 bit OS, and visa versa, so I dunno what this 'incompatible' noise is about. as far as G4 goes, what I've read and heard is that the performance doing regular programming is fairly poor, its only specific "SIMD" benchmarks that achieve the high numbers Apple likes to toss around. Anyways, to achieve really high clock rates on a complex instruction set you HAVE to go to a deep pipeline. RISC processors got away with a simpler pipeline entirely due to the simplicity of their instruction sets, and even they have run into clock speed limitations that are not easily overcome... All the current high end risc engines have had to resort to things like super-scalar architecture and incredibly complex scoreboarding to hide the details of the pipelines from the instruction set model, once this has been
Re: Mersenne: PrimeStats, Perl script for the PrimeNet Top Producers Table
My apologies and thanks to Andy for pointing out that one of the files was corrupted in the tarfile. I've fixed it now. -- Cheers Steve email mailto:[EMAIL PROTECTED] %HAV-A-NICEDAY Error not enough coffee 0 pps. web http://www.zeropps.uklinux.net/ or http://start.at/zero-pps 6:29pm up 13 days, 20:08, 2 users, load average: 1.06, 1.06, 1.05 _ Unsubscribe list info -- http://www.scruz.net/~luke/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers
Re: Mersenne: PrimeStats, Perl script for the PrimeNet Top Producers Table
Hi Steve, lets do more chasing ;-) Because its a very long time ago I had a look on program codes I'm not sure to understand all of this stuff. But I think you are using the P-90 h/day values without changing them, don't you? I think the actual performance values are to be computed again to be useful, because there are many people upgrading and therefore ranked high but showing lower performance values at P-90 h/day as other participants ranked nearby. i.e. today I'm ranked at 445 with 22.882 years/148 exponents(IPS)/182,22 P-90 h/day Currently I'm running Prime95 on three machines (2 GHz total) equal to 22,0 P-90 CPUs. This means 528 P-90 h/day but completing one LL-test at 12M range only adds less than five P-90 h/day. There's a difference between 182 P-90 h/day at top producers list and 528 P-90 h/day (actual performance). How to calculate the actual performance of an upgraded account of user X? To do this I'm calculating the average P-90 h/day of such participants near the rank of user X having higher values than X. The other users near X with lower values did some upgrading recently too and therefore are to be neglected. Computing the average out of 10 such values in front and 10 such values behind the rank of user X works well. I called it the local average. Using 20 such values nearby my own ranked ID (dismit) gives the local average of 310 P-90 h/day. Of course, this isn't a very good approximation. But the 182 P-90 h/day on the list means 58.7% of the local average of 310 P-90 h/day. Thus divide the local average of 310 by 0,587 and use the result which is very near to the already known performance of 528 P-90 h/day. Does anybody know a pretty formula of this algorithm? Why does it work at all? Have fun Dieter Schmitt -Ursprngliche Nachricht- Von: "Steve" [EMAIL PROTECTED] An: [EMAIL PROTECTED] Gesendet: Donnerstag, 15. Februar 2001 16:56 Betreff: Mersenne: PrimeStats, Perl script for the PrimeNet Top Producers Table Hi Primepickers PrimeStats is a perl script that interogates the top producers table at: http://mersenne.org/ips/topproducers.shtml, after you've saved it to disk, it will give you a report on participants as specified by yourself in a seperate data file. The script will also give you a detailed report of the future prospects of one user ID that you supply to the script via the command line, this detailed report tells you how many people are in front of the user but going slower and how many people behind but going faster and gives you estimates of when the user will catch the pack in front and when the chasing pack will catch up etc. The script is available here: http://www.zeropps.uklinux.net/linstuff.html And here is a sample report that finds current details for 10 users and gives a detailed report for one of them (me): Run Date: Thu 15 Feb 2001 Participants counted: 20,018 Extra details for user ID: sjlen Position User Name CPU YearsExponentsCPU P90 Tested Hrs Per Day 1264 S18743 8.921 16225.16 3056 felipel 3.667 8 49.83 3171 sjlen3.512 7 66.59 3496 mbandsmer3.050 19 24.85 4021 Pse 2.488 5 45.91 5394 Lalo11.549 18 12.62 5981 S16318 1.319 3 28.17 6773 mage21 1.010 3 17.49 7411 S17376 0.838 2 19.11 7434 Paradoks 0.833 7 6.84 3171 sjlen3.512 7 66.59 712 people are faster than you but behind you, at an average speed of 115.27 CPU hours per day they are approximately 1.75 years behind you. You will be in the center of the chasing pack in something like 312.84 days. 825 people are slower than you but in front of you, at an average speed of51.04 CPU hours per day they are approximately 1.37 years in front of you. You should be in the middle of the pack that you are chasing in something like 763.26 days. Any comments or suggestetions for improvements or error reports are welcome. -- Cheers Steve email mailto:[EMAIL PROTECTED] %HAV-A-NICEDAY Error not enough coffee 0 pps. web http://www.zeropps.uklinux.net/ or http://start.at/zero-pps 3:39pm up 13 days, 17:18, 3 users, load average: 1.22, 1.18, 1.18 _ Unsubscribe list info -- http://www.scruz.net/~luke/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers _ Unsubscribe list info -- http://www.scruz.net/~luke/signup.htm Mersenne Prime FAQ --
