Mersenne: Fw: Warning: could not send message for past 4 hours

2004-05-05 Thread John R Pierce
I'm trying to send this message to Scott at primenet, and it keeps bouncing, the mersenne.org mail server is refusing my connections (I even tried from work, and got a different but similar error that the server didn' recognize his address and was refusing relay) If anyone knows an alternate me

Re: Mersenne: End of list

2004-05-04 Thread John R Pierce
for the continuation of the list, we'll need a new name... I'm suggesting... [EMAIL PROTECTED] is that good for everyone? What are these new names. Is this where majordome(or whatever mailing list manager you will use) will reside? And I want to add my appreciation to Gordon for his long se

Re: Mersenne: End of list

2004-04-28 Thread John R Pierce
At 11:30 AM 4/22/2004 -0700, Gordon Irlam wrote: FYI. I intend to end this list shortly. for the continuation of the list, we'll need a new name... I'm suggesting... [EMAIL PROTECTED] is that good for everyone? it may temporarily be [EMAIL PROTECTED] until the DNS can be setup for the above.

Re: Mersenne: End of list

2004-04-23 Thread John R Pierce
If you are going to archive and publish past postings, please be sure that any email addresses get obfuscated so that they can't be harvested by spammers. I just switched email addresses because I was getting so much spam, and I would hate to have to do it again. the archives are generally set to

Fw: Mersenne: End of list

2004-04-22 Thread John R Pierce
[EMAIL PROTECTED] sounds good :) [EMAIL PROTECTED] sounds even better :D _ Unsubscribe & list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Re: Mersenne: End of list

2004-04-22 Thread John R Pierce
I will allow discussion of alternative lists people may wish to join before closing this list. in echo of the rest, yeah, thanks, its been a good list. I also run a reasonably current version of mailman on my server, and have sufficient bandwidth and adequate uptime to host this list. My server

Re: {Spam?} Mersenne: Incoming message

2004-03-18 Thread John R Pierce
http://67.23.100...php";> In case you don't know, thats a 'virus' of sorts, you do NOT want to go to that link. It didn't come from whom it claimed to be from, rather a 3rd party who happened to have both mersenne and darang's address handy... __

Re: Mersenne: p95

2004-01-17 Thread John R Pierce
I want to know if it is possible to distribute LL algorithm so that we can run it on a cluster to test one exopnent on several nodes simultaneously so check it in a shorter peroid of time . Or should we use trial_factoring algorithm in this regard!. or other algorithms.??? not doable. there's j

Re: Mersenne: p95

2004-01-15 Thread John R Pierce
[John R Pierce] > I see a bit of confusion here... There are two distinctly > different kinds > of clustering in common use... High Performance, and High > Availability. Umm... How is that different from what I wrote? I didn't use the acronyms, but so what? There is no n

Re: Mersenne: p95

2004-01-15 Thread John R Pierce
to whom it may concern : my question is: will the p95 software run on a system of clusters?? If you're asking if there's a cluster-aware version of Prime95, the answer is no. Because of the nautre of the error checking done on the server, there is no need to provide failover of the service. Nor

Re: Mersenne: 50% CPU?

2003-11-03 Thread John R Pierce
George Woltman wrote: At 04:35 PM 11/3/2003 -0800, John R Pierce wrote: I don't know if the affinity stuff will work in linux, however.. Mprime ignores the affinity settings in the ini files. We'll have to add it when linux 2.6 is released. kernel 2.6 has been 'released

Re: Mersenne: 50% CPU?

2003-11-03 Thread John R Pierce
The standard way to identify is to have all physical CPU's listed first (0,1 in a dual CPU system) followed by the virtual CPU's (2,3) Hmmm, looks like you are wrong... /proc/cpuinfo shows cpu 0,1 as being one physical id, and cpu 2,3 as being the other.. # cat /proc/cpuinfo proc

Re: Mersenne: 50% CPU?

2003-11-03 Thread John R Pierce
p4 with 400 or 533Mhz FSB do not support hyperthreading, *EXCEPT* the p4-3.06/533 does. P4 with 800MHz FSB (these are the "C" versions) do support hyperthreading. P4 Xeons all support HT. I have a question... gotta couple of dual P4/Xeon 2.8 servers, running linux 2.4.20 kernels... using t

Re: Mersenne: PrimeNet server

2003-10-23 Thread John R Pierce
Pierre Abbat wrote: I just checked the load average on the machine running mprime and it's 0.02. Thinking that mprime crashed, I checked it. It is saying "ERROR 2250: Server unavailable". I tried to bring up the faq but got a timeout. What's going on? I just forced my windows prime95(nt) client

Re: Mersenne: Howdy

2003-08-19 Thread John R Pierce
> Humour aside, I'm intrigued. Why was your kit taken? it was a long story. short version is, he was a consultant, working at some biga$$ insurance company as a PC Tech. he pre-loaded Prime95 on the desktop install so it was running on a few 100 machines at said company. he thought he had ver

Re: Mersenne: Howdy

2003-08-19 Thread John R Pierce
> > Just joined the list and wanted to say hey. I am new to the project and > > find it very interesting. Does anyone know how long it has been running? > > since at least 1995. my bad, apparently the original prime95 came out in january 1996 this per the FAQ's and stuff on the mersenne.org

Re: Mersenne: Howdy

2003-08-19 Thread John R Pierce
> Just joined the list and wanted to say hey. I am new to the project and find it very interesting. Does anyone know how long it has been running? since at least 1995. _ Unsubscribe & list info -- http://www.ndatech.com/me

Re: Mersenne: Speeding Up The Speediest Yet

2003-07-12 Thread John R Pierce
> > By installing the www.memokit.com memory optimizer and setting the priority > > of PRIME95 to REALTIME, I brought the .081 spec down to .063 at the very > > top of the Benchmark list. > > 1) Assuming your system is otherwise idle, changing the priority should have > zero effect. worse, running

Re: Mersenne: M#40 - what went wrong?

2003-06-13 Thread John R Pierce
> On Fri, Jun 13, 2003 at 03:16:24PM -0400, George Woltman wrote: > > 2) This case results from the way my C compiler treats floating point NaN. > > NaN stands for not a number. If NaN is converted to an integer, the integer > > is zero. So if the FFT data is all NaNs, prime95 will report a prime.

Re: Mersenne: Re: Mersenne archives

2003-06-04 Thread John R Pierce
> Does anyone know what happened to the archives? > http://www.mail-archive.com/[EMAIL PROTECTED]/ well, http://www.mail-archive.com says... June 2, 2003 Mail-Archive is experiencing technical problems, all archives are temporarily offline and are being actively restored from backup. Because of

Re: Mersenne: mprime and primenet

2003-04-01 Thread John R Pierce
*VERY* odd. I sent and recieved this message yesterday, and today I get another copy... - Original Message - From: "John R Pierce" <[EMAIL PROTECTED]> To: "Mersenne discussion list" <[EMAIL PROTECTED]> Sent: Monday, March 31, 2003 11:11 PM Subjec

Mersenne: mprime and primenet

2003-03-31 Thread John R Pierce
I just started running a recent build of mprime on a couple of linux systems, and noted an anomaly vis a vis primenet... When mprime connects to primenet, its not updating date on the rest of the worktodo, only on the exponent actually in progress. case in point... 18665107 67 13.6 7.4 67.4

Mersenne: oh great, here we go again!

2003-03-25 Thread John R Pierce
the numerologists are at it again... http://www.nature.com/nsu/030317/030317-13.html or something. _ Unsubscribe & list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrw

Mersenne: servers down completely?

2003-03-23 Thread John R Pierce
I can't even raise the mersenne website. getting errors on entropia.com/ips too, yet entropia.com's home page comes up fine. _ Unsubscribe & list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -

Re: Mersenne: Zeon vs P4

2003-03-22 Thread John R Pierce
> I am mulling over my next machine. I would like to know the performance > difference between using dual Zeons vs two boxes both running P4 CPUs. I > believe that the Zeon only has a 400 MHz bus while the current P4s have a > 533 MHz bus. I would be running XP in either case. the newest xeons h

Re: Mersenne: Primenet sorta down?

2003-03-20 Thread John R Pierce
> None of my mprime machines have been able to check in with Primenet for > the past 16 hours. Is it me or is there a problem? I just got server unavailable myself, so it must be the server. _ Unsubscribe & list info -- htt

Re: Mersenne: Overheating!

2003-03-19 Thread John R Pierce
> P4 1.8A, retail box HSF, 50C > P4 2.53B, Zalman CuAl HSF, <2000 rpm, 44C > P4 2.66B, Zalman CuAl HSF, <2000 rpm, 45C and to add a data point... P4 2.53B, Intel retail HSF, 46C (115F) this in an Antec plus1080 case, with 2 case fans running at a very slow speed, the 2 motherboard temp sensors

Re: Mersenne: p4 xeons...

2003-03-16 Thread John R Pierce
> On Saturday 15 March 2003 01:07, John R Pierce wrote: > > > > another minor question... Is there any way to force CPU affinity, or does > > mprime do that automatically? > > Unlike Windows, linux has a smart CPU/task allocation algorithm that tries > hard (but no

Mersenne: p4 xeons...

2003-03-14 Thread John R Pierce
oh boy, maybe I can climb back up the ranks a bit having long since slipped off the first 100... I just brought online a pair of identical Intel servers, each a 2GB dual p4/xeon 2.8Ghz linux 2.4.18 system... running latest non-beta mprime from the downloads page ... I have disabled hyperthreadi

Re: Mersenne: please recommend a machine

2003-03-08 Thread John R Pierce
> 4) The chipset for P4 systems is in a state of flux at the moment. There are > several available but only two worth considering: i850e and e7205. The > differences here are substantial e.g. i850e supports 533 MHz RDRAM (PC1066) > whereare the e7205 supports dual-channel DDRAM. Actually the theore

Re: Mersenne: please recommend a machine

2003-03-07 Thread John R Pierce
whooops. I just sent a reply to 'Spike66's query on new machines to a completely differnet list by accident. Total brainfart. here's what I meant to post here > Some of you hardware jockeys please give me a > clue. I have two machines at home running GIMPS 24-7. > One is a P4-2Ghz. The

Re: Mersenne: An officially sanctioned poach....

2003-01-27 Thread John R Pierce
> I've identified 185 exponents that have had NO progress reported and are > either: > a) Below 12,000,000 and been assigned for 200 days or more, or > b) Between 12 and 20 million and been assigned for 300 days or more > > Does anyone see any problems with releasing these exponents back into > t

Re: Mersenne: Poaching -- Discouragement thereof

2003-01-24 Thread John R Pierce
> But, no, you won't be able to complete a 10M on a P100 ;-) my slowest machine still on primenet is a p150 that has 60 days to finish 14581247, its been working on it for about 300 days now, 24/7, with nearly zero downtime. 2.22 seconds per iteration, yikes. I probably should retire this box af

Re: Mersenne: Linux kernels

2002-12-05 Thread John R Pierce
> Actually it's a lie. I've got a dual Pent III with 4Gb RAM. You cannot have > a single process that uses more than 2Gb of RAM with any of the Linux 2.4 kernels. > We hadda install Solaris on the box to do what we wanted to. how did you get more than 2GB of address space in usermode in a single

Re: Mersenne: christmas computer system?

2002-11-25 Thread John R Pierce
> > the fastest P4 cpus have a rated FSB of 533 (which is 266*2). running the > > bus at 333(666) would be overclocking. > > Ah, but most modern mobos can run the memory asynchronously to the processor > bus. I think this goes back some way - certainly the Abit KT7A board (Athlon) > could run th

Re: Mersenne: christmas computer system?

2002-11-25 Thread John R Pierce
> Get a P4 motherboard that supportes DDR333 (PC2700). Then buy the > "Extreme" PC2700 memory from www.corsair.com. It has a significant > performance-enhancing feature: 2.0 cycle latency versus the more > standard 2.5. This high-performance Corsair memory only costs a few > bucks more than standar

Re: Mersenne: christmas computer system?

2002-11-24 Thread John R Pierce
(yet more PC hardware details below... feel free to skip this if isn't your thing...) > > $213 Intel Retail P4-2.4"B" (these have the 533MHz bus) > > 2.53B should be very little more expensive. Last time I checked the first big > price step was still between 2.5A/2.53B and 2.6A/2.66B. my store

Re: Mersenne: christmas computer system?

2002-11-24 Thread John R Pierce
> Personally - although this is distinctly unfashionable - I far prefer Rambus > memory - so far as GIMPS is concerned, a 2.53 GHz P4 using PC1066 Rambus > memory (implying the i850E chipset) will outperform _any_ system up to 2.8 > GHz using DDR memory. The point here is that the total memory band

Re: Mersenne: christmas computer system?

2002-11-24 Thread John R Pierce
> I'm giving my brother's family a new computer for christmas. > He'll buy it from a local (to him) 'white box' pc store and I'll > pay for it. I am a little concerned about performance because > the pc will probably be running GIMPS and I'd like to get my > money's worth. It's easy to request a

Mersenne: Ernst Mayer's Mlucas pages

2002-11-09 Thread John R Pierce
Yesterday, Ernst posted his URLs for the Mlucas unix stuff... I've changed the URLs and fixed a bunch of the links on the pages. Ernst's pages:... GIMPS source code timing page: http://www.hogranch.com/mayer/gimps_timings.html Mlucas README: http://www.hogranch.com/mayer/README.html

Re: Mersenne: Problems accessing the GIMPS source code timing pages

2002-11-08 Thread John R Pierce
Speaking of, I thought I'd converted you over to using http: addresses? its a much faster and more efficient protocol than FTP. instead of ftp://www.hogranch.com/pub/mayer/gimps_timings.html use http://www.hogranch.com/mayer/gimps_timings.html etc etc... I went ahead and dug into your HTML and

Re: Mersenne: Ernst Mayer's GIMPS pages

2002-11-08 Thread John R Pierce
> How many times did you try, and over how long a period? > Last I heard, Ernst Mayer lived near San Jose, CA, and kept the > web pages on a home machine. One headline at www.sjmercury.com reads actually, he's using MY server which is at my home in Santa Cruz, and in fact our power was out fo

Re: Mersenne: WinXP SP1 slows prime95

2002-09-10 Thread John R Pierce
> Yesterday I went from Windows XP home to service pack 1. The speed of > prime95 went down by over 2%. Has anyone else seen this? Any ideas on > what caused it or how it can be fixed? Code performance can vary more than that just based on cache and page boundries of where its loaded. _

Re: Mersenne: Benchmark Timings: XP1800+

2002-08-19 Thread John R Pierce
> This may be relevant with the new Pentium 4 "A" (quad-pumped 100 MHz) & "B" > (quad-pumped 133 MHz) variants - my guess is that a "A" variant coupled with > 533 MHz memory is going to outperform a "B" variant coupled with 400 MHz > memory by some margin. Obviously a "B" with 533 MHz memory is go

Mersenne: Warning, topic drift! (was Old 486 retired...)

2002-07-13 Thread John R Pierce
> My brother once stated that an old computer is still usefull, because > you can put a nice beatifull cloth on it, and use it as a coffee > table. Myself, when I will be given time from other interests, I will > study the problem of how can you control the christmas tree lamps with > an old comp

Re: Mersenne: Prime95 as an NT/2000/XP service

2002-06-26 Thread John R Pierce
> This question is for the serious NT sysadmins out there: Given that Microsoft > strongly discourages NT services having a GUI interface, are there any problems > or security issues I need to worry about? A GUI service must run under the > Local > System account. You can still use Hide Icon to

Re: Mersenne: v22.4 in Win95

2002-06-18 Thread John R Pierce
> George told me that he has confirmed that Visual C++ 7.0 is bringing in > this dependency, but that he didn't see an immediate way to get rid of > it. Based on my very limited experience with VC++ 6.0, I would guess that > going to Project->Settings->Link and taking out "oleacc.lib" ( if it is

Re: Re: Mersenne: Slow Pentium 4 question - status report

2002-06-13 Thread John R Pierce
> I know that when I did my first tests of the memory prefetch on my Win95 > Celeron II machine, prime95 would not work. Upgrading to Win98 fixed the > problem. I also recall win95 had a problem that caused data corruption in Prime95 if you concurrently ran a process that used the MMX instructio

Re: Re: Mersenne: Slow Pentium 4 question - status report

2002-06-13 Thread John R Pierce
> probably unusable without breaking the Microsoft >licence. Remember that several "PC recycling" projects have run foul of this; >even though the system was bought with a Windows licence, passing the system >to a third party with Windows still installed is taken as a breach of the >EULA. I'd

Re: Mersenne: Slow Pentium 4 question

2002-06-12 Thread John R Pierce
> and the motherboard probably has a CD rom with some applications > such as a cpu temperature monitor . i'm not sure if this would have > been packaged with your PC or not, but if not, the motherboard maker > probably has the same apps downloadable on their web site. or the freeware Motherboard

Re: Mersenne: Re: Mersenne Digest V1 #967

2002-06-06 Thread John R Pierce
> But, to get back to the real topic, I checked out Intrinsificitienceality's > supercalafragalistic website, and unless I'm misreading something, it's > all 32-bit fixed-point arithmetic - very fast, and also completely useless > for > LL testing large exponents. We need fast double-precision flo

Mersenne: new DSP architecture

2002-06-06 Thread John R Pierce
interesting... Picked off a email newsletter on microprocessor design... This thing sounds like it could *smoke* through Lucas-Lehmer FFT's... *** Intrinsity Arrays 2GHz Adaptive Matrix *** EPF 2002 Presentation Introduces FastMath By Max Baron {5/13/02-01} First presented at EPF 2002, Intrins

Re: Mersenne: Trace/breakpoint trap

2002-05-27 Thread John R Pierce
> I have a new laptop which has some problems. First I ran tartest (a program I > wrote which repeatedly untars the kernel source and compares the results) and > found that one memory module is bad and the other is good. Next I found that > when it compiles Linux, the result doesn't work. So I cop

Re: Mersenne: Re: Mersenne Digest V1 #941

2002-02-28 Thread John R Pierce
> Was there _really_ no posting made to the Mersenne mailing list > between Mon, 18 Feb 2002 (02:19:32 -0500 From: "Justin Valcourt") > and Tue, 26 Feb 2002 (19:46:54 +0100 From: Henk Stokhorst) ?? thats what I show here. I get the individual emails rather than the digest. -jrp __

Re: Mersenne: further code optimisation using a recompile?

2002-01-27 Thread John R Pierce
> > As John points implies, you've got to be pretty committed to shell > > out ~$500 per system for the privelege of compiling code on your > > own hardware. It would take a _really_ significant speed boost to > > make that sort of expenditure worthwhile. > > > > I downloaded a free complete versi

Re: Mersenne: further code optimisation using a recompile?

2002-01-27 Thread John R Pierce
> I doubt that Intel compiler is based on Kai C++. Intel bought Kai. http://developer.intel.com/software/products/trans/kai/ http://developer.intel.com/software/products/compilers/c50/openmp.htm The last version of "Kai C++" from Intel was 4.0, this new Intel C++ compiler is 5.0. __

Re: Mersenne: further code optimisation using a recompile?

2002-01-26 Thread John R Pierce
> http://www.slashdot.org has a link to http://open-mag.com on a new Intel > compiler for Linux an M$ Windows. The new compiler makes use of the new > instructions in the Pentium III and IV. Of course, the most important > part of the Prime95 code does not get compiled at all, since it has > alrea

Re: Mersenne: Prime freezing when connecting by DSL to Primenet

2002-01-11 Thread John R Pierce
>I am running version 21.4 of Prime. I recently started using a >DSL connection on AOL. ( I am using Version 7.0 of AOL). Since >I started using this arrangement, Prime locks up whenever it >connects with Primenet. After some delay, during which time >everything stops, Primenet reports an ERR

Re: Mersenne: 10 million digit overkill

2001-12-25 Thread John R Pierce
> > Testing this number would take at least 2^(2^13466917 - 1) - 1 bits of > > storage. The supercomputer described above would not even come > > close to having enough RAM to store that. If it did, the LL test would > > then require approximately 2^13466917 - 1 massive iterations. If the > > comp

Re: Mersenne: P4 throttling

2001-12-23 Thread John R Pierce
> > I don't think I made the "Thermal Monitor" feature > > clear enough. From what I've read at Intel's > > website, I believe it is built onto the P4 chip, > > Yes, most current processors have a thermistor on chip & some > means of signalling the die temperature through the pin array. the P4 ha

Re: Mersenne: silly, but...

2001-12-15 Thread John R Pierce
> That is VERY strange... and I feel compelled to try and beat the current > record of watching it get to above 52,490,219 :) May take me a while, > but oh well... :) > > Good find. I got a laugh out of it. Just goes to prove my point that > some people have WAY too much free time. :) gotta b

Mersenne: silly, but...

2001-12-15 Thread John R Pierce
Ok, this is kinda silly, and if you are easily offended, don't go here.. but if you have a bent sense of humor (on topic for this list), check out the Prime Bear at. (requires a late model browser that handles java scripting reasonably well) http://members.surfeu.fi/kklaine/primebear.htm

Re: Mersenne: Moving an assignment

2001-12-12 Thread John R Pierce
> How would I go about giving an exponent I've been assigned to someone > else? From previous discussions, it seems as though PrimeNet would reject > the assignment as not belonging to him, but I've seen exponents moved from > one account to another without expiring, so I know it can be done. I

Re: Mersenne: Database merge

2001-12-12 Thread John R Pierce
> Just out of curiosity though, I'm wondering why some of my cleared > exponents are still there... like these ones: yeah, me too... --- Exponents Cleared since last Synchronization --- prime factLucas-Lehmer residue or factor exponent bits[residues partially masked]

Re: Mersenne: compiling prime95 for NetBSD

2001-12-10 Thread John R Pierce
> Came to this list searching for some information. I'm attempting to compile > the prime95 program on a NetBSD (1.5.2) box, but am having some problems. > Was wondering if anyone have done this before? I would hope you are starting with the Linux/FreeBSD `mprime` version and not the Microsoft W

Mersenne: GIMPS meet in Mountain View

2001-12-07 Thread John R Pierce
Well, we had a nice get together in Mtn View tonite as planned. We toasted the requisite pitchers of the Tied House's rather excellent Dark and Stout... And we had a surprise visit by Donald Knuth himself. My pictures didn't come out that great, and I thought I took more than I apparently did,

Mersenne: last call for a santa cruz ride... (was: silicon valley 'prime' dinner)

2001-12-07 Thread John R Pierce
> one more time, I'm offering a ride to anyone and everyone who wants to be > picked up in the santa cruz or los gatos areas, leaving santa cruz around > 5pm friday... I've got a brand new 7 passenger full sized van (Ford E150 > 'Traveler'), and 7 *is* a Mersenne prime number (2^3 - 1)... > > any

Mersenne: silicon valley 'prime' dinner

2001-12-06 Thread John R Pierce
one more time, I'm offering a ride to anyone and everyone who wants to be picked up in the santa cruz or los gatos areas, leaving santa cruz around 5pm friday... I've got a brand new 7 passenger full sized van (Ford E150 'Traveler'), and 7 *is* a Mersenne prime number (2^3 - 1)... anyone wants a

Re: Mersenne: Re: SF Bay area GIMPS party

2001-12-04 Thread John R Pierce
> > 1) Tied House, Mountain View > > 2) Faultline Brewery, Sunnyvale > > either, orther, as far as I care... heh. > > re: ride sharing, I have a new 7 passenger van, and might be able to carpool > folks from the Santa Cruz area... assuming I can go (I've got to check with > SWMBO to make sure we d

Mersenne: Re: SF Bay area GIMPS party

2001-12-03 Thread John R Pierce
> 1) Tied House, Mountain View > 2) Faultline Brewery, Sunnyvale either, orther, as far as I care... heh. re: ride sharing, I have a new 7 passenger van, and might be able to carpool folks from the Santa Cruz area... assuming I can go (I've got to check with SWMBO to make sure we don't have a pr

Re: Mersenne: World Test Status claims....

2001-11-27 Thread John R Pierce
> It appears now that this claim is also somewhat invalid, as Cray's current > champion is an 8,192 GFLOP machine called the SX-6/1024M128, a machine with > 128 vector processors, or 64 MFLOPS per processing unit. > > As such, it seems that GIMPS is now truly only equivalent to about one > qua

Re: Mersenne: Re: SF Bay GIMPS party (was Mersenne #39)

2001-11-25 Thread John R Pierce
> "John R Pierce" <[EMAIL PROTECTED]> listed some sites in Monterey. > So far, however, only he and I have expressed interest in that location. > Unless at least five mailing list members express interest in Monterey > by December 1, we should go elsewhere. O

Re: Mersenne: Re: SF Bay GIMPS party (was Mersenne #39)

2001-11-18 Thread John R Pierce
>The Western Number Theory Conference > > http://home.earthlink.net/~bartgoddard/mainpage.html > > meets in Monterey (acutally Asilomar) then it would follow we should meet in the Monterey area. Santa Cruz is a 45 minute drive from Monterey, silicon valley 90 minutes or so. I'd

Re: Mersenne: Re: SF Bay GIMPS party (was Mersenne #39)

2001-11-18 Thread John R Pierce
> Can anyone come? Announce it on the list if you do it. > Where abouts are they held? I will if I can. Depends on the date and family conflicts and where in the rather sprawling SFBA it is... I'm in Santa Cruz, so naturally would prefer points towards the south end of the Bay Area... __

Re: Mersenne: number of processors participating

2001-11-08 Thread John R Pierce
> Finally, reasonable configuration of a firewall (even a personal > firewall product installed on the workstation itself) will prevent > exploitation of a Back Orifice type trojan, even if one does manage > to sneak in unnoticed - these work by creating a listener which > allows those "in the kno

Re: Mersenne: What will we do when anyone finds a number of 10 million+ digits which is prime?

2001-11-04 Thread John R Pierce
> What will we do when anyone finds a number of 10 million+ digits which > is prime? that would be a number up aruond 2^3200, a place we are very very far from. -jrp _ Unsubscribe & list info -- http://www.scruz.net/~l

Re: Mersenne: mprime for Solaris x86 ?

2001-11-03 Thread John R Pierce
> I have to do some work with Solaris 8 on x86 (i.e. Intel > processors), and was wondering if anyone felt inclined to > port mprime to this OS. I'm quite inclined to suspect that mprime would just compile right over for Solaris.I don't know how the assembly is handled (is it intel syntax, o

Mersenne: synchronization..

2001-11-02 Thread John R Pierce
My 'personal report' shows 'exponents returned since last synchronization' going back nearly 12 months (November 2000). Has it really been a year since primenet synched with George's master database?!? -jrp _ Unsubscribe &

Re: SV: Mersenne: number of processors participating

2001-10-30 Thread John R Pierce
> > I've had similar problems with a few other multimedia sorts of > > junkware. Near as I can tell, some of these things put their video or > > animation thread at Idle_Priority+1 or something, and it gets eaten > > alive by Prime95. > > Isn't it the old problem - no matter what priority a proces

Re: SV: Mersenne: number of processors participating

2001-10-29 Thread John R Pierce
> Still the only time I've ever seen Prime95/NTPrime slow down a system is when I was doing some Netmeeting video conferences. > > With it running, the video conference would run DOG slow. Stop the NTPrime service and curiously had to restart the video conference for the effect, but the video wou

Re: Mersenne: Mprime crash

2001-10-27 Thread John R Pierce
> > > >Presumably a badly written Linux driver > > >can cause the same problems as a badly written Windows driver. > > Yes. There is however a subtle difference. Linux drivers come with > source code, so if there is a bug, any competent programmer can > fix it. very very few programmers are quali

Re: Mersenne: Re: Problems with Firedeamon and Prime95

2001-10-19 Thread John R Pierce
> >Is there a way to install Prime95 and Firedeamon without having these > >problems? I hope that a solution can be found soon, as we try to > >integrate prime95 into the image file from where all the workstations > >are set up. > > I'm unaware of what Firedaemon really is, but to me, it sounds li

Re: Mersenne: Re: AthlonXP

2001-10-16 Thread John R Pierce
> Maybe we're not understanding what is meant by "microcode"... The only CPU I've designed was a 4-bit system that didn't use microcode to get it's work done (it was for a class), so I can't claim direct experience, but I at least thought I knew what the word microcode implied... a level of abstra

Re: Mersenne: AthlonXP

2001-10-15 Thread John R Pierce
There's something a bit screwy about the way your messages are encapsulated here, when I recieve them the message body is appearing as an .txt attachment. I haven't seen that happen from anyone elses mail (and I get a lot of email from numerous lists). MIME formatted mail is generally bad on ma

Re: Mersenne: Prime Net Server

2001-09-09 Thread John R Pierce
> Such an outage didn´t occur for the first time in my (nearly) > three years supporting GIMPS and others will follow. May be that´s > one reason why GIMPS lost about 8.000 to 9.000 machines during the last six months. I dunno, I've let about 1/2 my machines drop out, they were mostly p133 and be

Re: Mersenne: Like missing baby's first step

2001-07-30 Thread John R Pierce
> I stepped away from my machine at 99.92% completion of its iterations, > and when I came back it was 0.04% into processing the next number. Is > there some way I can see what happened? Some sort of log file? results.txt in the prime95 directory. _

Re: Mersenne: Re: Prime web site

2001-07-19 Thread John R Pierce
> > Both WWW and FTP down from here. :-( > there's a nasty new worm spreading like wildfire on unpatched Microsoft IIS web servers, and its primed to packet flood whitehouse.gov at 5pm PST today (midnight UTC friday) This could well have big chunks of the net all screwed up...

Re: Mersenne: Good news for Pentium 3 and Celeron 2 owners

2001-06-22 Thread John R Pierce
> I feel it is ridiculous that George has to beg/borrow the latest > architecture in order to optimise Prime95. I also know from being a member > of the prime search community for the last three years the amount of hard > work George puts into the project. agreed. how come AMD isn't burying Geo

Re: Mersenne: taxifornia brownout

2001-06-09 Thread John R Pierce
> You may have heard that our so-called Governor, here in the > great state of Taxifornia has proposed replacing rolling > blackouts with universal brownouts: reducing line voltage > about 10-15% on hot days this summer. Any guesses > at how that will effect a computer running GIMPS? as long as

Re: Mersenne: Newsgruop formation?

2001-05-16 Thread John R Pierce
> I'm sure many of us on this mailing list are familiar with Slashdot, and > that the code behind it is open-source (known as Slashcode). we've had 600 messages TOTAL since the beginning of the year. Thats like 3-4 a DAY average. SlashDuh type web forums thrive on communities of 1000s of messa

Re: Mersenne: GIMPS accelerator?

2001-05-15 Thread John R Pierce
> This question pops up every once in a while. A few years ago I looked > through a postscript manual wondering how difficult it would be to build a > postscript file that crunched RC5 keys when a printer tried to render it. postscript is essentially forth, after all. Trouble is, most postscript

Re: Mersenne: GIMPS accelerator?

2001-05-15 Thread John R Pierce
> I know very little about computer architecture, so please feel free to shoot > me down if what follow is complete nonsense. > > GIMPS clients use the spare capacity of the primary processing resource within > any computer:- the CPU(s). But most modern PCs have another component capable > of p

Re: Mersenne: stopping Win98 from needlessly swapping

2001-05-12 Thread John R Pierce
> I also noticed that the hard drive light blinks every second or so. Does > win98 agressively swap to disk like windows NT does, even when it's not > needed? At least for NT there was a magic registry hack to make it stop, > which I don't see in '98. I'm wondering if this is the cause of the > sl

Re: Mersenne: Slow CPU's in a Proliant 2500

2001-05-07 Thread John R Pierce
> That is probably your problem. Your bus is only 66 mhz. You are not able > to access your memory as fast as you want to process the data. I once > upgraded a 486 100Mhz to a 486 150Mhz (I think, it was a while ago) and > there was almost no change in the speed. I overclocked the memory b

Re: Mersenne: Re: build-it-yourself Athlon

2001-04-17 Thread John R Pierce
> > Fry's (a big local discount computer & electronics chain) has a great > > deal on build-it-yourself Athlons (US$ 350 for 1.2GHz CPU, MB, case, > > floppy, ethernet card, 56K modem & video card) so I'm going to take > > the plunge. those motherboards in those starter kits tend to be JUNK. ...

Re: Mersenne: Is there any life here?

2001-04-16 Thread John R Pierce
> NO Mail lately, just wanted to know if the list is > active! there's been a few postings a day on the average, about 20 total in the last week. I suspect your sub-scription somehow got un-sub-scripted :) -jrp _ Unsubscr

Re: Mersenne: Thermal shock in CPUs.

2001-04-11 Thread John R Pierce
> If you have a CPU which turns off an inactive floating-point unit, > you may well be only about halfway between ambient and "normal" > operating temperature by the time the system's finished booting. Even > if the boot time is long compared with the thermal inertia time > constant. indeed, my

Re: Mersenne: atomic clock

2001-03-25 Thread John R Pierce
> it may be a little bit off topic, but could someone please inform the guys > operating the server that the atomic clock is (again) about 5-6 minutes > behind UTC? I couldn´t find their mail address. which atomic clock would that be? The US Naval Observatory master clock? http://tycho.usno.

Re: Mersenne: Getting new GIMPSers

2001-03-25 Thread John R Pierce
> >even with prime95 running 24/7 on my Windows2000 system, it seems to come up > >with a FEW idle cycles. I figure its when prime95 gets paged out or > >something. I rebooted a couple of hours ago after photoshop blew up and > >left the system kinda crispy, in the past 2h 48m, I show 3 minutes

Re: Mersenne: Getting new GIMPSers

2001-03-25 Thread John R Pierce
> How does idle time accrue *to a process*? Idle time is when the CPU is not > executing any process. in virtually every multitasking OS, there is a special "IDLE" process. This is usually something as simple as... idleloop: HLT JMP idleloop and this process is alwa

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