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Number crunching :
4th: Compiling faster Windows client with Intel C++ compiler (and fftw?)
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![]() ![]() Send message Joined: 17 Dec 99 Posts: 4215 Credit: 3,474,603 RAC: 0 ![]() |
content removed because of bad research on my part! ![]() |
![]() Send message Joined: 4 Dec 99 Posts: 614 Credit: 21,053 RAC: 0 ![]() |
Just installed boinc on a new computer, it downloaded 20 4.09 wu's, started crunching them, I stopped it, and believing that I could blindly put the stuff in, and it had the lastest xml file, that it would finish the 4.09, well, it didn't have the change, and I just lost my 20 wu's. jshenry1963, If you backed up your Boinc folder as per the instructions prior to installing the optimized client, then there should be no problem restoring it and trying again with the correct app_info.xml file. There's really no reason why you should have lost any work at all. Have you tried that? Happy crunching. :) Dig |
![]() ![]() Send message Joined: 15 May 99 Posts: 875 Credit: 4,386,984 RAC: 0 ![]() |
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![]() Send message Joined: 17 Nov 04 Posts: 182 Credit: 68,878 RAC: 0 ![]() |
Hi Digger, I had helped several people update theirs, backing up all, all with no issues ever. Did a couple of mine, then went to one last machine, since out of 10 machines all went 100% smoothly, I decided just to go for it on the last one. Did so, and got burned. So it is partially my fault, yes I don't deny that, but it is also partially a reposted cut/paste of the earliest post of the zip files. When I thought it was the latest, since it is on this thread. And this issue was resolved two threads ago when I was part of the original crew doing all of this. The one time I don't back up, I get burned, figures. Thanks, and Keep on crunchin' John Henry KI4JPL Sevierville TN I started with nothing, and I still have some of it left. <img src="http://www.boincstats.com/stats/banner.php?cpid=989478996ebd8eadba8f0809051cdde2"> |
![]() Send message Joined: 4 Dec 99 Posts: 614 Credit: 21,053 RAC: 0 ![]() |
The one time I don't back up, I get burned, figures. Sorry you got burned, buddy... that really does suck. This is all still very experimental and there are different file versions floating around out there, so you do have to be careful and backup each time. Only takes a few minutes. Hopefully everyone who is currently providing links to the optimized clients will only include the updated files. Can't really blame them though, since they were only trying to be helpful in supplying links to the original files. Fortunately, losing 20 units shouldn't really effect you. Even if your daily quota is decreased a bit, from what I understand it is doubled for every successful work unit you submit. Therefore, you should be back in full swing in no time. :) Dig |
![]() ![]() Send message Joined: 15 May 99 Posts: 875 Credit: 4,386,984 RAC: 0 ![]() |
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![]() Send message Joined: 4 Dec 99 Posts: 614 Credit: 21,053 RAC: 0 ![]() |
I now have the following optimized SETI apps for Windows at my site as well. All of these include the updated app_info.xml file to crunch your remaining 4.09 work units. seti-p4-sse3.zip seti-p4-no-sse3.zip seti-p3.zip Updated App_Info.xml referenceunits.zip Installation: FIRST: MAKE A BACKUP OF YOUR ENTIRE BOINC DIRECTORY! 1. SHUT BOINC DOWN 2. DETERMINE WHICH OPTIMIZED FILE TO DOWNLOAD FOR YOUR COMPUTER 3. UNZIP FILE 4. PUT APP_INFO.XML AND 4.11 APPLICATION INTO setiathome.berkeley.edu 5. PUT BOINC CLIENT IN THE BOINC FOLDER Program Files/BOINC 6. START BOINC If anyone has the Pentium M version (Seti-pm.zip) please email it to me. :) Dig tcxl@iup.edu |
![]() ![]() Send message Joined: 21 Oct 99 Posts: 2246 Credit: 6,136,250 RAC: 0 ![]() |
I now have the following optimized SETI apps for Windows at my site as well. All of these include the updated app_info.xml file to crunch your remaining 4.09 work units. He Digger Great Work Thanks did you use the Trial Version or have you a a full Version of the Imhell Compiler, only for Info... Greetings from Germany NRW Ulli ![]() |
![]() Send message Joined: 4 Dec 99 Posts: 614 Credit: 21,053 RAC: 0 ![]() |
Sir Ulli, Thanks, but I merely provided a mirror for the optimized clients Tetsuji has already compiled. I did not compile any new clients on my own. I did however replace all of the app_info.xml files with the newer AndyK version which allows for the crunching of 4.09 work units already downloaded. I WISH I was smart enough to do my own compiling, but alas I am NOT. LOL. Tetsuji is still our current hero in that regard. :) Respectfully, Dig |
gomeyer Send message Joined: 21 May 99 Posts: 488 Credit: 50,370,425 RAC: 0 ![]() |
Just to clean up this minor issue, the correct app_info.xml file did indeed fix the problem; I'm up and flying on 4.11. Thanks again go to Digger ! Yo Dig, Since you asked: The times are so good they're almost frightening; the optimized app has been cutting 40% or more off of "normal". Example, the first machine I updated always took about 3 1/2 hours/wu now takes 2 or even a little less. All WU's so far are authenticating OK and receiving credit so all must be well. After 24 successful hours I just upgraded two more. Great work and a tip of the hat (if I wore one) to all involved ! gomeyer |
![]() Send message Joined: 24 Dec 00 Posts: 140 Credit: 2,963,627 RAC: 0 ![]() |
The problem is that we are claiming less credit. I have allready some units that where compared with other "optimised" clients and all of us received low credit (since only one was with the normal client). |
![]() Send message Joined: 4 Dec 99 Posts: 614 Credit: 21,053 RAC: 0 ![]() |
Yo Dig, Gomeyer, that's so cool that you're getting great times on the new client. Even on my ol' Celeron (that everyone seems to like to make fun of), my times have dropped from 3.5 hours down to less than 2 hours per work unit. Pretty cool! Dig |
![]() Send message Joined: 25 Nov 01 Posts: 21725 Credit: 7,508,002 RAC: 20 ![]() ![]() |
The problem is that we are claiming less credit. I have allready some units that where compared with other "optimised" clients and all of us received low credit (since only one was with the normal client). Yes. This is discussed at length on this thread. The best thought so far I think is to use a representative (short) reference WU to benchmark actual system performance for s@h WUs. Reference WUs specific for each project are then calibrated across the projects to give consistent Cobblestone scores. We then get a measure of what science gets done, rather than an inaccurate abstract benchmark of 'CPU effort expended'. Meanwhile, some very good work is being done on the optimised clients across the various OSes and CPUs. Keep crunchin', Martin See new freedom: Mageia Linux Take a look for yourself: Linux Format The Future is what We all make IT (GPLv3) |
gomeyer Send message Joined: 21 May 99 Posts: 488 Credit: 50,370,425 RAC: 0 ![]() |
Gomeyer, that's so cool that you're getting great times on the new client. Even on my ol' Celeron (that everyone seems to like to make fun of), my times have dropped from 3.5 hours down to less than 2 hours per work unit. Pretty cool! Dig[/quote] Way Cool indeed Dig. Now let's all hope that someone more talented than I can compile one without a Cinderella license or we'll all turn into a pumpkin in a little over two weeks. If not, it was fun (and productive!) while it lasted. -Regards ![]() |
Ulrich Metzner ![]() Send message Joined: 3 Jul 02 Posts: 1256 Credit: 13,565,513 RAC: 13 ![]() ![]() |
Well, i asked about using the MinGW for compilation, thereby also being able to produce optimized clients for Athlons earlier in this thread, but noone answered. Aloha, Uli |
![]() Send message Joined: 4 Dec 99 Posts: 614 Credit: 21,053 RAC: 0 ![]() |
Way Cool indeed Dig. Now let's all hope that someone more talented than I can compile one without a Cinderella license or we'll all turn into a pumpkin in a little over two weeks. If not, it was fun (and productive!) while it lasted. Damn... I'm going to turn into a pumpkin now??! And I finally just got my skin cleared up. I don't think we need to worry about the 'expiration date' though, as from what I understand 'someone' has purchased the full client, and who's to say who compiled what? I have read the EULA however, and it is quite prohibitive, but I doubt very much that everyone who is using the optimized clients are suddenly going to stop using them on the 29th. :) But if all else fails... I'll take some whipped cream on my pumpkin pie thank you. :) Dig |
PhonAcq Send message Joined: 14 Apr 01 Posts: 1656 Credit: 30,658,217 RAC: 1 ![]() |
Anyone got the Pentium M optimised one? I'm running a 1700Mhz Dothan with MMX, SSE and SSE2 (no SSE3). Currently crunching a unit around 140mins. If you look at this thread you can find an optimized one. I have the same hardware (1.6/Dothan) and using the optimized client I'm running about 5000 sec per work unit. ( I had been running about 9000 sec I recall) May this Farce be with You |
![]() ![]() Send message Joined: 6 Jun 02 Posts: 583 Credit: 65,644 RAC: 0 ![]() |
As soon as Digger gets in touch with me again he can put up seti-generic-sse2.zip and seti-p3-sse2.zip with the ones he is mirroring now. Or if you can't wait see one of my earlier posts. 98SE XP2500+ @ 2.1 GHz Boinc v5.8.8 ![]() And God said"Let there be light."But then the program crashed because he was trying to access the 'light' property of a NULL universe pointer. |
![]() Send message Joined: 3 Apr 99 Posts: 1603 Credit: 2,700,523 RAC: 0 ![]() |
unfortunately, some of the latest links posted do not have the fixes mentioned earlier so that a 4.09 would still gets crunched. Just installed boinc on a new computer, it downloaded 20 4.09 wu's, started crunching them, I stopped it, and believing that I could blindly put the stuff in, and it had the lastest xml file, that it would finish the 4.09, well, it didn't have the change, and I just lost my 20 wu's. Whoever is hosting the .xml files, please make aure that all of the .xml files included the changes required to run the 4.09 stuff to completion instead of deleting them. John, I don't understand why you say 'got burned'. You didn't lose any CPU time, you didn't lose any credits. When I installed the optimized apps, I discarded around 60 WUs across 3 machines. I installed the oprimized apps before the first improved app_info.xml was posted - but I wouldn't have cared either way. Thirty seconds after install, they had downloaded new work and were crunching again. It would be an entirely different matter if this had hosed a queue of work already done and waiting to be returned - but it didn't. This was just trivial - unless the servers had been down and and new work wasn't available so your CPUs became idle. At worst, the outcome is that a few other participants have to wait a few days for their credit to be granted. I know this seems to cause smoke to issue from various orifices of some people, but I don't see why - a Result submitted is as good as in the bank. The science isn't affected one iota. In fact the effect on everyone else is no more significant than me increasing my cache by a day - some people will have to wait 1 more day for my extra days' cache to work through. Not to mention that everyone is already waiting 5 days as I have a 5 day cache. Even if every participant discarded their caches now, not one second of CPU would be lost by anyone, no harm would be done to the science, there'd just be a interesting blip in in everyones RAC and lot of interesting position juggling in the stats for a few days. ![]() |
![]() Send message Joined: 4 Dec 99 Posts: 614 Credit: 21,053 RAC: 0 ![]() |
seti-p4-sse3.zip seti-p4-no-sse3.zip seti-p3.zip Updated App_Info.xml referenceunits.zip I have two more optimized client versions now. Thanks to the user who provided these for me. :) seti-p3-sse2.zip Pentium M owners should use this one. seti-pm.zip Pentium 4 M owners should use this one. Graham, and others... if you could snag these last two files as well I'd appreciate it. I expect the university bandwidth police to be knocking on my door any day now. Dig |
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