Posts by C

1) Message boards : Number crunching : Only crunching one milky way wu at a time?? (Message 43347) Posted 31 Oct 2010 by C Post: I just noticed the same thing happening to my MacBook C2D, OS X 10.6.4, BOINC 6.10.58. Activity monitor tells me the nbody unit is using 185-190% of the CPU, and only one unit is running. C
2) Message boards : Number crunching : Optimized OS X Applications (Message 14201) Posted 7 Mar 2009 by C Post: I have a G3, G4, CD, and C2D and I'd be willing to try any/all of them as test... C
3) Message boards : Number crunching : The Great Crunchoff Grandstand (Message 14062) Posted 6 Mar 2009 by C Post: So based purely on hosts that are crunching both MW and SETI. MW is returning 1.3 times as much credit as SETI. No! ...based purely on Intel hosts running Windows XP that are crunching both MW and SETI... My Intel based Mac with OS X is returning significantly more credit from SETI than from MW. The MW "optimization" for Mac OS X is not nearly as efficient as the SETI optimization in the AK V8 app. This tells me that the Mac compilation must be using a poor compiler, incorrect flags, or both. It's too bad the project "irritated" Crunch3r enough that he doesn't provide us with better optimized apps for the Macs. C
4) Message boards : Number crunching : The Great Crunchoff Grandstand (Message 13815) Posted 4 Mar 2009 by C Post: It makes me wonder where it leaves all those claiming that no project awards higher than SETI. And well done Travis for a good credit pitch. Here's some info for you: Not all CPU/OS combinations give the same results. The SETI version is the optimized AK version; the MW is also supposed to be optimized. This comparison is why I put my Intel Macs back on SETI full time - it's a waste of my time and electric bill to run MW at these credit levels. C
5) Message boards : Number crunching : The Great Crunchoff Grandstand (Message 12593) Posted 23 Feb 2009 by C Post: That's why we're using reported CPCS... Sorry, I don't get it right now... what is CPCS standing for? (I am no native English speaker so some abbreviations just puzzle me. ;-))) Based on the size of the numbers, I think it means Credits Per CPU-Sec, or credits per cpu-second. C
6) Message boards : Number crunching : Leave results on server a little longer please? (Message 10489) Posted 13 Feb 2009 by C Post: Travis: Can you please leave results on the server for 24 hours so we can see how we are doing? Thanks, C
7) Message boards : Number crunching : Jan 24 credit change complaints/comments here (Message 9016) Posted 25 Jan 2009 by C Post: Travis: The v14 didn't improve the Intel Mac OS X apps by anything. Still taking roughly 3322/3417 cpusec on my MBP C2D. This equates to a maximum theoretical possible of 561 credits per core per day, or 1122 credits total on MW. Using the V8 optimization on SETI (which has been around for a long time), this same machine has a theoretical possible of 1205 per core per day, or 2410 credits per day total on SETI. My current RAC there is 1630, but then, this is my main computer for work and 8 hours per day, 5 days per week, it has major use. At the speed that v14 gives me on MW, with the 41.09/39.84 credits per WU, I'm basically even with SETI. Now that you've cut the credits in half, you're forcing me to put MW into the "run only when SETI is down longer than 3 days" category. So long - I hope you check my math and see what you've accomplished. C
8) Message boards : Number crunching : app v12 (Message 8926) Posted 24 Jan 2009 by C Post: My MacBookPro C2D T7700 is finally back down to 3300-3400 cpusec/wu, like it was back on .07 versioon, and my iBook PPC G4 1.33 MHz is still hanging in there around a bit over 9000 cpusec/wu. Having said that, My MBP should be down around 1000 cpusec/wu, based on the comparison between the same two computers running the optimized v8 for SETI. Is the SSSE3, and SSE2 in place on the MW 0.12 app? I'm not a programmer, but it seems to me the optimization for the MBP should give me the same results as it does for SETI, and approach the results the MS XP folks are enjoying. C
9) Message boards : Number crunching : App v0.10 (Message 8668) Posted 19 Jan 2009 by C Post: There is definitely something wrong with the OS X version for Intel. I have four computers doing MW: 333MHz iMac PPC G3 OS X 10.3.9 ~30500 cpusec/WU 1.33GHz iBook PPC G4 OS X 10.5.6 ~ 9100 cpusec/WU 4 times faster clock, 30% of the imac time, altivec helps a bit 1.67GHz MacBookPro Core Duo OS X 10.4.11 ~ 8100 cpusec/wu 5 times faster clock, 25% of the imac time; I would expect around 6100 cpusec, based on clock speed alone. If I remember correctly, it used to actually take in the low 4000's, because of SSE2 and others(?) 2.4GHz MacBookPro Core 2 Duo OS X 10.4.11 ~ 7200 cpusec/wu 7.2 times faster clock, 23% of the imac time; I would expect around 4200 cpusec based on clock speed alone. I think it used to take around 3600. My conclusion is there is definitely something lacking in the Intel Mac compilation. C
10) Message boards : Number crunching : post milkyway_powerpc-apple-darwin problems here (Message 6489) Posted 23 Nov 2008 by C Post: You have to enable test applications in your preferences. If you go to the "Your account" page on MilkyWay, click "Computing preferences", then "Edit preferences" near the bottom. Check the box for test applications, save them, then force an update to MW from BOINC. That'll download the new preferences and allow you the new applications. As I said in my previous post, I changed preferences to allow test apps to run, then restarted BOINC. I just now did an update on MW, and it did nothing other than continue to crunch using v1.22 app. C
11) Message boards : Number crunching : post milkyway_powerpc-apple-darwin problems here (Message 6463) Posted 23 Nov 2008 by C Post: I have a Mac G3-300MHz OS X 10.3.9 and the new test app doesn't download. I changed preferences to allow it, quit BOINC, deleted the old app, restarted BOINC, and it downloaded the 1.22 app again. C
12) Message boards : Number crunching : Low WU speed with mac pro 8 core intel cpu on mac os (Message 5635) Posted 28 Oct 2008 by C Post: The first thing I would suggest is to go to http://calbe.dw70.de/mb/viewtopic.php?f=20&t=53&sid=8368cf67fef91c0a8f6efd2db53e197f and download the correct optimized app. The standard issue app is quite slow in comparison to the optimized on. Crunch3r has done a good job on this for us. C
13) Message boards : Number crunching : Compute errors (Message 5240) Posted 19 Sep 2008 by C Post: Here's the dump on a compute error I just received. Any assistance figuring out what I can fix would be appreciated. C iBook G4, 1.33GHZ, CPU type Power Macintosh Power Macintosh [Power Macintosh Model PowerBook6,5] [AltiVec] Number of CPUs 1 Operating System Darwin 9.4.0 Memory 768 MB Cache 976.56 KB Swap space 17542.12 MB Total disk space 55.77 GB Free Disk Space 16.89 GB Measured floating point speed 336.94 million ops/sec Measured integer speed 1051.11 million ops/sec Average upload rate 13.09 KB/sec Average download rate 218.93 KB/sec Average turnaround time 1.94 days Maximum daily WU quota per CPU 299/day Tasks 2 Number of times client has contacted server 33600 Last time contacted server 19 Sep 2008 1:14:44 UTC % of time BOINC client is running 97.1184 % While BOINC running, % of time work is allowed 99.9901 % Average CPU efficiency 0.925549 Task duration correction factor 27.597635 Task details Task ID 45662972 Name gs_3720282_1221568703_319961_0 Workunit 46254319 Created 16 Sep 2008 11:14:20 UTC Sent 16 Sep 2008 11:46:56 UTC Received 19 Sep 2008 1:14:44 UTC Server state Over Outcome Client error Client state Compute error Exit status -177 (0xffffffffffffff4f) Computer ID 2906 Report deadline 19 Sep 2008 11:46:56 UTC CPU time 148078 stderr out <core_client_version>5.10.34</core_client_version> <![CDATA[ <message> Maximum CPU time exceeded </message> <stderr_txt> Crashed executable name: astronomy_1.22_powerpc-apple-darwin built using BOINC library version 6.1.10 Machine type PowerPC 7450 (32-bit executable) System version: Macintosh OS 10.5.4 build 9E17 Thu Sep 18 21:13:39 2008 sh: /usr/bin/atos: No such file or directory 0 0x0001d938 1 0x00024d24 2 0x00024ec0 3 0x000250e8 4 0x927b665c Thread 1 crashed with PPC Thread State: srr0: 0x92774438 srr1: 0x0000d030 vrsave: 0x00000000 xer: 0x00000004 lr: 0x9277b360 ctr: 0x92774430 mq: 0x00000000 r0: 0xffffffe1 r1: 0xf0003e00 r2: 0x00001303 r3: 0xf0003ea8 r4: 0x00000003 r5: 0x00000028 r6: 0x00000270 r7: 0x00001303 r8: 0x00000000 r9: 0x00000000 r10: 0xfffff007 r11: 0xa05145f4 r12: 0x92774430 r13: 0x00000000 r14: 0x00000000 r15: 0x00000000 r16: 0x00000000 r17: 0x00000000 r18: 0x00000000 r19: 0x00000000 r20: 0x00000000 r21: 0x00000000 r22: 0x00000000 r23: 0x00000028 r24: 0xf0003ea8 r25: 0x00000270 r26: 0x00001303 r27: 0x00000000 r28: 0x00000000 r29: 0x00000003 r30: 0x00000003 r31: 0x927ba584 Binary Images Description: 0x1000 - 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0x95dc3fff /usr/lib/libresolv.9.dylib 0x95dc4000 - 0x95e05fff /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libTIFF.dylib 0x95e06000 - 0x95e37fff /System/Library/PrivateFrameworks/CoreUI.framework/Versions/A/CoreUI 0x96aac000 - 0x96de5fff /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox 0x96de6000 - 0x96df2fff /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/CarbonSound.framework/Versions/A/CarbonSound 0x96df3000 - 0x96e12fff /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/vecLib SIGPIPE: write on a pipe with no reader </stderr_txt> ]]> Validate state Invalid Claimed credit 118.947180810776 Granted credit 0 application version 1.22 Home \| My Account \| Message Boards Copyright Â© 2008 AstroInformatics Group
14) Message boards : Number crunching : Milestones (Message 4723) Posted 15 Aug 2008 by C Post: Just got my first half million in MW!! C
15) Message boards : Number crunching : New Searches (Message 3988) Posted 3 Jul 2008 by C Post: Thanks, Nathan! C
16) Message boards : Number crunching : bad wus in the database (Message 3876) Posted 19 Jun 2008 by C Post: 606 and 607 are downloading to all my machines - no "problems", other than the one Travis mentioned about WU being deleted almost as fast as they receive credit. Personally, I'd rather it be this way, than to have the DB slow and cluttered so I don't receive any new WU... C
17) Message boards : Number crunching : Brief Outage Earlier Today (Message 3775) Posted 14 Jun 2008 by C Post: Thanks for letting us know, Dave! C
18) Message boards : Number crunching : new search (Message 3725) Posted 12 Jun 2008 by C Post: Just tried - got 0 new tasks at 1716 UTC (1316 EDT). Server status still has 0 tasks waiting to be sent. C
19) Message boards : Number crunching : No new WU (Message 3681) Posted 8 Jun 2008 by C Post: Looks as if we are out of new work again... C
20) Message boards : Number crunching : Best completion times (Message 3457) Posted 5 May 2008 by C Post: Pentium(r) II Processor 400MHz Win98, 3379sec I think I should have started a 'worst times' thread for that last one! Mac G4/400, OS 10.3, ~3740 s. iMac G3/333MHz tray loader, OSX 10.3, 4805 sec. C

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