problem on 2 core cpu

Questions and Answers : Preferences : problem on 2 core cpu
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Message 1694515 - Posted: 22 Jun 2015, 6:22:13 UTC

hi everyone,
recently i had to format my pc and reinstall boinc and boinc tasks.
when i ran seti@home before the install i was able to do 2 wu's at a time.
now for some reason i can only do 1 at a time.

nothing has changed as far as the pc that i use, its still a dual core cpu.
all thats changed was i updated boinc to the most recent version.
(unless that is what the problem is) i am not certain.

thanks for any help..

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Message 1694566 - Posted: 22 Jun 2015, 12:41:49 UTC - in response to Message 1694515.  

You should be doing one on the CPU and one on the GPU. Is that not the case? What venue is your host set to and what are the preferences for that venue?
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Message 1694671 - Posted: 22 Jun 2015, 19:23:36 UTC - in response to Message 1694566.  
Last modified: 22 Jun 2015, 19:29:16 UTC

Hi OzzFan,

What venue is your host set to and what are the preferences for that venue?
i have no clue what your talking about.

i just know before reinstalling windows xp sp3, and updating to the newest BOINC (to get rid of the annoying update notice i was getting) all seemed fine.
and i was 2 CPU tasks at a time. (i've only been doing the SETI@home v7.
(no AstroPulse etc)

my CPU type: AuthenticAMD
AMD Athlon(tm) 64 X2 Dual Core Processor 5000+ [Family 15 Model 107 Stepping 2]
2 processors.

you should be able to see the details under my account.
its the same pc and all.

i know things have been a bit messy, when i had to format i had uncompleted tasks and now those are still showing in my account but i do not have them to complete them.

edit* i have noticed for some reason it shows me as having 3 computers ??
(under the Computers View from my name) no clue why, unless it changes the Computer ID whenever i install BOINC or boinc tasks. it puzzles me.

  • win7starter
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Message 1694673 - Posted: 22 Jun 2015, 19:34:19 UTC

Your account shows you as having three computers with basically the same spec - is this the case?

If not it sounds as if one of your options has been "upset" during the recent rebuild.

To see what settings you've got you will have to use the "advanced" view on BOINC manager, the go to the "tools" "computer usage" tab look near the bottom you will see a few lines about processor usage - the one to look at is "on multi processor systems use xx% of processors" - make sure this is set to 100%.

Hope this helps you.
Bob Smith
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Somewhere in the (un)known Universe?
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Message 1694679 - Posted: 22 Jun 2015, 19:55:43 UTC - in response to Message 1694673.  
Last modified: 22 Jun 2015, 20:01:07 UTC

hi rob smith,

thank you very much, that fixed it, i'm running 2 tasks at a time again.
i had it set to 90% before (which seemed ok on older boinc)
but i assume the newer boinc needs it at 100%.
thanks.

Your account shows you as having three computers with basically the same spec - is this the case?

yes it is. they just have different ID #'s but same pc specs.

do i need to merge those or anything ?

I only have current 23 tasks im working on, but profile shows 31 in progress.
i am assuming the other 8 are "lost tasks" and unrecoverable.
id also assume id have to wait for those to go away. correct?

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  • boinc: 7.14.2
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Message 1694753 - Posted: 23 Jun 2015, 4:55:17 UTC

Yeh, there was a change in the logic around the way the number is handled, it caught me out too.
On your other two comments, Yrs, Yes

(I've probably got a few missing, but I;m not going to count them all...)
Bob Smith
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Message 1694782 - Posted: 23 Jun 2015, 6:32:00 UTC - in response to Message 1694753.  

Yeh, there was a change in the logic around the way the number is handled, it caught me out too.

The "On multi processor systems, use N% of the processors" (now Use at most N% of the CPUs ) has always been an integer.

90% on a duo core is one core.
90% on a quad core is three cores.
90% on an octo core is seven cores.
90% on a 128 core is 116 cores.
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Questions and Answers : Preferences : problem on 2 core cpu


 
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