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Posts by Vester

1) Message boards : Cafe MilkyWay : Team USA members (and others) departing for GPU projects (Message 75509)
Posted 14 Jun 2023 by Vester
Post:
Re: Separation Project Coming to an End.

If you like to run GPU projects, Einstein@Home is a good choice. Team USA is currently in 10th place.
2) Message boards : News : New Separation Runs 6/9/2021 (Message 70932)
Posted 27 Jun 2021 by Vester
Post:
I currently have 452 invalid tasks on three different computers. Invalid tasks are on AMD GPUs and CPU tasks on a Dell T-420 server with two Intel Xeon processors. I've given up trying to figure if I possibly have hardware problems.
3) Questions and Answers : Windows : Legacy BIOS... a warning about Radeon Software Adrenalin 21.5.2 (Message 70912)
Posted 24 Jun 2021 by Vester
Post:
I have four AMD HD 7990 video cards on an ASUS B250 Mining Expert motherboard running Windows 10 Pro. These legacy video cards will not boot UEFI.

When I installed Radeon Software Adrenalin 21.5.2 driver, the video card fans stopped running when Windows was running. They ran during BIOS startup. I did three installations of Windows 10 Pro in order to isolate the cause of my recent problems. I am now running the Blockchain Beta driver.

Edit: I see that there are two versions of the Radeon Software Adrenalin 21.5.2. One is for legacy bios and the other is for non-legacy.

Edit2: The legacy driver does not work for me. GPU fans were idle.
4) Message boards : Number crunching : Errors (Message 70884)
Posted 17 Jun 2021 by Vester
Post:
https://milkyway.cs.rpi.edu/milkyway/forum_thread.php?id=4737#70881
5) Message boards : Number crunching : Not receiving enough with WUs (Message 70877)
Posted 15 Jun 2021 by Vester
Post:
I sent you a private message, Masse.
6) Message boards : Number crunching : Queue running empty...frequently (Message 70590)
Posted 17 Feb 2021 by Vester
Post:
Oh, my! Another self-inflicted problem! I had set BOINC preferences to store 0.01 days because I was trying another project with long running work units on a different computer. I reset it to the default of 0.1 days and the "problem" is resolved.

Thanks for your first post, shift. I can see that this isn't your first rodeo.

Resolved.
7) Message boards : Number crunching : Queue running empty...frequently (Message 70588)
Posted 17 Feb 2021 by Vester
Post:
I uninstalled BOINC, deleted the BOINC folders in Program Files and in Program Data, and reinstalled (using BOINC 7.15.0). I am still running out of work units. The presence of 15 work units in queue is meaningless when the computer is running 40 work units simultaneously.

Other computers near me in the stats are not running a short queue.
8) Message boards : Number crunching : Queue running empty...frequently (Message 70587)
Posted 16 Feb 2021 by Vester
Post:
I frequently get entries like this in my Event log: "2/16/2021 2:11:00 PM | Milkyway@Home | Scheduler request completed: got 0 new tasks." It appears to me that you are running out of work units. I first noticed the situation about midnight UTC.

I am running BOINC 7.15.0 and should not have an empty queue.
9) Message boards : Number crunching : Getting validate errors (Message 70578)
Posted 13 Feb 2021 by Vester
Post:
This is another validate error experienced on two computers since the maintenance: Workunit 25732577, de_modfit_84_bundle4_4s_south4s_bgset_7_1612355394_7569515. It is not a problem yet.
10) Message boards : Number crunching : Ideal number of concurrent tasks. (Message 70565)
Posted 9 Feb 2021 by Vester
Post:
duplicate
11) Message boards : Number crunching : Ideal number of concurrent tasks. (Message 70564)
Posted 9 Feb 2021 by Vester
Post:
I have four Radeon HD 7990 cards (2 GPU each card) running 5 WU/GPU. My CPU is a 4 core Intel i5 7600 (no hyperthreading), so I have 0.20 GPU and 0.01 CPU in my app_config.xml file.
12) Message boards : Number crunching : Getting validate errors (Message 70558)
Posted 9 Feb 2021 by Vester
Post:
Workunit 21351206, de_modfit_85_bundle4_4s_south4s_bgset_7_1612355394_3477041, failed to validate on two AMD GPUs including one of my HD 7990s. This was my first invalid WU in seven days.
13) Message boards : News : Milky Way Maintainance 2/1/2021 (Message 70514)
Posted 3 Feb 2021 by Vester
Post:
All looks good on this user's end. Crunching again.
14) Message boards : Number crunching : Getting validate errors (Message 70422)
Posted 22 Jan 2021 by Vester
Post:
I changed from Blockchain to Radeon driver 20.12.1 (WHQL) of 12/4/2020 and changed the number of WUs to 1 per GPU, but saw no improvement. I have reverted to 5 WUs per GPU. My errors persist. The rig runs VRAM at 150 MHz instead of 1500 MHz to aid cooling, but VRAM speed did not affect output in the past and I do not expect that to be the issue. In reviewing the WUs involved, I see no correlation among other users that would indicate that OpenCL 2.1 is an issue.

I'll be glad when stripe 85 is done! :-)
15) Message boards : Number crunching : Getting validate errors (Message 70410)
Posted 20 Jan 2021 by Vester
Post:
My validate errors: Currently 1845. This is a stable Windows 10 rig (ASUS B250 Mining Expert) currently running three Radeon HD 7990 video cards (six GPUs) with Blockchain Beta video drivers.
16) Message boards : Number crunching : Work Unit shortage (Message 70074)
Posted 29 Aug 2020 by Vester
Post:
Check your PM regarding the procedure I use after I gleaned information from this topic.
17) Message boards : Number crunching : Twin CPUs and multi-core nbody tasks - success :-) (Message 70046)
Posted 24 Aug 2020 by Vester
Post:
I run GPU only, but you may find what you need here to write an app_config.xml file.

App_config.xml is to be placed in C:\ProgramData\BOINC\projects\milkyway.cs.rpi.edu_milkyway. To run 3 tasks with 8 cores each use notepad or other text editor and copy/paste a file such as:
<app_config>
<app>
<name>milkyway_nbody</name>
<max_concurrent>3</max_concurrent>
</app>
<app_version>
<app_name>milkyway_nbody</app_name>
<plan_class>mt</plan_class>
<cmdline>--nthreads 8</cmdline>
</app_version>
</app_config>
You will have to view hidden files to see Program Data. When written in notepad, it will appear as above, but you will need to "Save as... "app_config.xml" (without the quotes) and chose file File type *.* instead of .txt in the drop down.. To edit the .xml file, open it with Notepad by right-clicking on the file and selecting Edit.

This should get you started. I had waited hoping that a moderator or more experienced user would help you. Good luck.
18) Questions and Answers : Windows : General thinking about GPU computation (Message 69307)
Posted 26 Nov 2019 by Vester
Post:
I am sorry that I am unable to help you, Diego. You can post this problem in the "Number crunching" forum. I have not seen a message in my app_config.xml file and I do not have any nVidia GPUs.
19) Questions and Answers : Windows : General thinking about GPU computation (Message 69300)
Posted 24 Nov 2019 by Vester
Post:
One Euro is equal to 1.10 US dollars. I pay about 9.86 cents per kWh, or $0.0986. Round that number to $0.10 and I am still paying less than 0.10 EUR.

I am still trying to find the best number of work units per GPU and I am now running three per GPU.
20) Questions and Answers : Windows : General thinking about GPU computation (Message 69297)
Posted 24 Nov 2019 by Vester
Post:
Three hundred seconds is for 7 WUs per GPU that I was running at that time, but remember that I have 6 GPUs, so the 300 should be divided by 7 (not 42) which gives a work unit time of 300 seconds divided by 7 work units = 42.857142857 seconds/work unit.


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