MilkyWay@Home - Calculated RAC for CPUs

in #gridcoin6 years ago (edited)

After a break of a few weeks, where I have been gathering further data for the final few whitelisted Gridcoin projects, I’m continuing the series with the next project for which I have prepared the calculated RAC (Recent Average Credit) and potential earnings for CPUs.

MilkyWay@home

In this episode I’m presenting an overview of 1300+ CPU types with the calculated RAC and daily earnings for MilkyWay@home. Similar to previous episodes, I have only included those CPUs for which I have gathered sufficient information based on sample set of almost 21,000 hosts and 1,200,000 work-units.

After reviewing 18 whitelisted Gridcoin projects, MilkyWay@home is currently on position 17 and one of the lowest earning projects for CPUs. This is not surprising as the project also supports GPUs.

Info on Github


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

The file contains the following worksheets:

  • Worksheet 1: Average daily earnings per project
  • Worksheet 2: Daily Gridcoin earnings per CPU for all projects
  • Worksheet 3 to 21: CPU calculated RAC and GRC earnings per project
  • Worksheet 22: Threads per CPU
  • Worksheet 23: GRC per 1k RAC for each project

I will continue to update the file with more projects and refresh the earnings so it is best to download the latest version from Github.

Average daily earnings per project

In case you don’t know your CPU, you will likely achieve the maximum earnings for your system by selecting one of the first projects in table on the first worksheet (see also table above). Don’t confuse the numbers in the table with actual earnings, it is merely an index to compare the earnings potential between projects. Obviously, the project ranking will change when computing power is shifting across projects so I will continue to update the table to reflect this.

The ranking of projects is established in the following way:

  • Select those CPUs which have results in all projects (this applies to 298 CPU types at the moment)
  • With the selected CPU types calculate the average earnings for each project
  • Sort the projects from highest to lowest average daily earnings

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.

ProjectCPUsHostsWUsInformation
Asteroids@home1,29719,4622,885,452Raw data p1 (Size: 21 MB), Raw data p2 (Size: 17 MB)
Amicable Numbers1,02714,4711,389,411Raw data (Size: 18 MB)
Citizen Science Grid1,11514,3681,657,693Raw data (Size: 24 Mb)
Cosmology@Home1,09117,7582,124,977Raw data p1 (Size: 16 MB), Raw data p2 (Size: 12 MB)
Enigma@home7453,7752,143,679Raw data (Size: 17 Mb)
LHC@Home1,27517,7272,189,428Raw data p1 (Size: 14 MB), Raw data p2 (Size: 15 MB)
MilkyWay@Home1,31621,0901,213,839Raw data (Size: 19 Mb)
NFS@home1,01556,2731,666,526Raw data (Size: 17 Mb)
Numberfields@home1,00620,8851,542,956Raw data (Size: 23 Mb)
ODLK11,00912,3402,098,300Raw data (Size: 21 Mb)
PrimeGrid94996092,030,902Raw data p1 (Size: 20 MB), Raw data p2 (Size: 25 MB)
Rosetta@home1,58457,2402,042,631Raw data p1 (Size: 18 MB), Raw data p2 (Size: 17 MB), Raw data p3 (Size: 19 MB)
SETI@home1,745122,2772,213,442Raw data p1 (Size: 20 MB), Raw data p2 (Size: 24 MB), Raw data p3 (Size: 19 MB)
SRBase6406,9971,732,240Raw data (Size: 15 Mb)
TN-Grid9039,4682,238,497Raw data (Size: 21 Mb)
Universe@home1,18297,8183,036,071Raw data p1 (Size: 17 MB), Raw data p2 (Size: 18 MB)
VGTU@Home8987,6531,739,691Raw data p1 (Size: 14 MB), Raw data p2 (Size: 11 MB)
Yoyo@home9496,6171,704,412Raw 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 launched beginning of 2002 and it rewards participants with credits for performed work. BOINC is an application available for multiple Operating Systems and utilises 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
Data source: BOINC project websites

Disclaimer:
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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