Credits on Intel Mac with app 5.05
Message boards : Number crunching : Credits on Intel Mac with app 5.05
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One thing with the new app. With 5.02 the crunching time is about 1.34 hours with the 5.05 it is about 11 hours on all my Intel Macs
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3025 | Rating: 0
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One thing with the new app. With 5.02 the crunching time is about 1.34 hours with the 5.05 it is about 11 hours on all my Intel Macs I thought my 29% increase on Linux was bad. That is somewhere around a 610% increase. Seems something is amiss on the 5.05 app. |
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Andre Kerstens
Forum moderator Project tester Volunteer tester 
Joined: Sep 11 06 Posts: 749 ID: 1 Credit: 15,199 RAC: 0 |
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Does this happen on all of your workunits? We tested extensively on Intel and PPC macs and running times between 5.02 and 5.05 were approx. the same on our lab Macs. We will retest and see if we can reproduce this.
One thing with the new app. With 5.02 the crunching time is about 1.34 hours with the 5.05 it is about 11 hours on all my Intel Macs ____________ D@H the greatest project in the world... a while from now! |
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3027 | Rating: 0
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My intel Macs too.
One thing with the new app. With 5.02 the crunching time is about 1.34 hours with the 5.05 it is about 11 hours on all my Intel Macs |
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3028 | Rating: 0
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This happens on all 6 Intel Macs with all WUs. |
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3029 | Rating: 0
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Sorry if you've thought of this before, but did you recheck your General Prefs page? Perhaps you're only using one processor or maybe the setting changed to only use 25% of the cpu or something.
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3038 | Rating: 0
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Sorry if you've thought of this before, but did you recheck your General Prefs page? Perhaps you're only using one processor or maybe the setting changed to only use 25% of the cpu or something. Actually, I just noticed that the same thing is happening to me. Where it used to take 1:45 or less per workunit, now it has taken 2:25 and I'm only 24% completed. Are the workunits longer this week? I tried dumping units and reinstalling BOINC with no change. FYI: I just checked my CPUs and they're only operating @ 74%, where they used to be at 100%. I know this doesn't account for the massive difference, but maybe it's a clue? PS... I probably should have posted this in a different thread. Please move it if you want to! ____________ John MacPro 2 x 2.66GHz Dual-Core Xeon | 2GB RAM | ATI x1900 | BOINC 5.9.5 
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3040 | Rating: 0
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David Ball
Forum moderator Volunteer tester 
Joined: Sep 18 06 Posts: 274 ID: 115 Credit: 1,634,401 RAC: 0 |
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Actually, I just noticed that the same thing is happening to me. Where it used to take 1:45 or less per workunit, now it has taken 2:25 and I'm only 24% completed. Are the workunits longer this week? I tried dumping units and reinstalling BOINC with no change. It looks like 5.05 is doing excessive disk I/O and it's slowing the application. There's a thread on "Excessive disk activity" here in "Number crunching". Could you post this over there as well. It looks like the CPU usage dropping to @ 74% could mean that the program is I/O bound now. Do you have something like the linux "top" program which shows what percent of time is spent in I/O wait, and could you post that over there as well? Thanks, -- David ____________ The views expressed are my own. Facts are subject to memory error :-) Have you read a good science fiction novel lately? |
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3041 | Rating: 0
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Actually, I'm using BOINC 5.8.17 (latest mac version). I was using the same version since it came out and have never had this problem. Here's a screenshot of top. I assume the charmm apps (I have four CPUs) are what you're looking for? BOINCManager seems to use very little CPU, as does boinc. If this doesn't show all that you're looking for, I can take a larger screenshot... 
And here's a screenshot of CoreDuoTemp: 
Normally, the past few weeks, since I enabled all four processors, the CPUs run at around 100% and the temps around 193F. ____________ John MacPro 2 x 2.66GHz Dual-Core Xeon | 2GB RAM | ATI x1900 | BOINC 5.9.5
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3042 | Rating: 0
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I have noticed a slowdown on MacOS Intel, too. The old application was about 2.5 hours, the new one was about 5.5 hours. |
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ID:
3043 | Rating: 0
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I have noticed a slowdown on MacOS Intel, too. The old application was about 2.5 hours, the new one was about 5.5 hours. Wow. Then you're lucky, cuz mine seem to be taking about 10-11hrs each, whereas last week they were taking 1.6hrs each... ____________ John MacPro 2 x 2.66GHz Dual-Core Xeon | 2GB RAM | ATI x1900 | BOINC 5.9.5
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3049 | Rating: 0
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Message boards : Number crunching : Credits on Intel Mac with app 5.05
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