Enigma@home - Calculated RAC for CPUs

in gridcoin •  last year

In the past months I noticed regular requests from Gridcoin team members on Steemit, looking for the RAC output of their systems to determine which Gridcoin project to crunch.

This gave me the idea to gather information from project websites and calculate per CPU the system RAC (Recent Average Credit) and earnings for all whitelisted BOINC projects.


In this eleventh episode I am presenting an overview of 750 CPUs and calculated RAC for Enigma@home. I have only included those CPUs for which I have gathered sufficient information based on sample set of 3,775 hosts and 2,100,000 work-units.

Info on Github

Due to the large number of CPUs, I have stored the output separately on Github. The main file can be downloaded in Excel format or OpenDocument format.

The first worksheet in the file contains Gridcoin earnings per CPU for all projects. The snapshot below provides an example of this worksheet:

Other worksheets in the same file contain the details per project. I will continue to update the GRC earnings so it is best to download the latest version from Github.

Calculated RAC

I used the following formula to calculate the system RAC:

Breakdown of the formula:

  • Σ points of sample set, is the amount of points credited by the project for the returned results
  • Σ time of sample set, is the total time it took to process all returned WUs
  • Σ CPU threads, is the number of CPU cores x CPU threads.

Three assumptions as part of these calculations:

  • Multithreading is enabled in the BIOS
  • The calculated RAC is based on running one BOINC project, 24/7 on all cores
  • The higher the number of gathered WUs per CPU, the more accurate the RAC value

Previous episodes

The table below presents a summary of all projects introduced so far including high-level details per project.

Asteroids@home1,30319,4622,885,452Raw data p1 (Size: 21 MB), Raw data p2 (Size: 17 MB)
Citizen Science Grid1,11814,3681,657,693Raw data (Size: 24 Mb)
Enigma@home7463,7752,143,679Raw data (Size: 17 Mb)
LHC@Home1,27917,7272,189,428Raw data p1 (Size: 14 MB), Raw data p2 (Size: 15 MB)
NFS@home1,01656,2731,666,526Raw data (Size: 19 Mb)
Numberfields@home1,00920,8851,542,956Raw data (Size: 23 Mb)
PrimeGrid93196092,030,902Raw data p1 (Size: 20 MB), Raw data p2 (Size: 25 MB)
SRBase6116,9971,716,131Raw data (Size: 15 Mb)
theSkyNet POGS1,15513,0462,285,013Raw data p1 (Size: 8 MB), Raw data p2 (Size: 19 MB)
TN-Grid9059,4682,238,497Raw data (Size: 21 Mb)
Yoyo@home9536,6171,704,412Raw data (Size: 17 Mb)

If you notice any mistakes, for example number of cores per CPU, let me know and I will update the information accordingly.

Gridcoin is an open source cryptocurrency (Ticker: GRC) which securely rewards volunteer computing performed upon the BOINC platform in a decentralized manner on top of proof of stake.

BOINC (Berkeley Open Infrastructure for Network Computing) is a distributed Internet platform and was launched beginning of 2002 and it rewards participants with credits for performed work. BOINC is an application available for multiple Operating Systems and uses the unused CPU and GPU cycles on computers to perform scientific work.

Thanks for reading. Follow me for more BOINC & Gridcoin related articles.

Image source: Header, Gridcoin logo, BOINC logo

I have made every effort to present accurate RAC values but the output is as good as the results taken from the project websites. Based on your configuration and system use, the actual system RAC may vary from the calculated RAC.

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