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BOINCSTATS Project credit comparison based on what?

post #1 of 5
Thread Starter 
http://boincstats.com/en/stats/-1/cpcs

Highest to lowest
Einstein@Home --- AMD/Nvidia GPU + CPU
GPUGRID -- CPU + Nvidia GPU
WUProp@Home -- VIRUS? Not on BOINC Manager
Collatz Conjecture --- AMD/Nvidia GPU + CPU
Primaboinca -- CPU
Albert@Home -- TESTBED
RNA World -- CPU
SETI@Home Beta -- CPU + AMD/Nvidia GPU
Docking@Home -- CPU
NFS@Home --CPU
MilkyWay@home -- CPU + AMD GPU w/ double precision
DistributedDataMining -- ?
SETI@Home -- CPU + AMD/Nvidia GPU
yoyo@home -- CPU
POEM@HOME -- CPU + AMD GPU
DistrRTgen -- CPU + AMD/Nvidia GPU
Sudoku@vtaiwan -- CPU
Cosmology@Home -- CPU
ABC@home -- CPU
SLinCA -- ???
EDGeS@Home -- CPU
Constellation -- CPU
BURP -- ???
SIMAP -- CPU
Rosetta@Home -- CPU
The Lattice Project -- CPU
SZTAKI Desktop Grid -- CPU
Enigma@Home -- CPU
SAT@home -- CPU
MindModeling@Home -- CPU
Renderfarm.fi -- ???
Leiden Classical -- CPU
World Community Grid -- CPU + AMD/Nvidia GPU
eOn -- CPU
IBERCIVIS -- CPU, Nvidia GPU
WEP-M+2 Project -- ???
Malaria Control -- CPU
CAS@HOME -- CPU
AlmereGrid TestGrid -- ???
LHC@Home Classic -- CPU
Superlink@Technion -- CPU?
PrimeGrid -- CPU, AMD/Nvidia GPU
OPTIMA@HOME -- ?
Climate Prediction -- CPU


ZERO VALUES
AlmereGrid Boinc Grid
BOINC Alpha Test
DG@Putra
DNA@Home
DrugDiscovery@Home
FreeHAL
Gerasim@Home
Magnetism@home
Pirates@Home
QMC@Home
RALPH@Home
Spinhenge@home
Virtual Prairie


I'm trying to find out what this chart is based off of. (Does) Anyone know?

I think maybe it is based off total credit / RAC (Recent average credit)?

There's a similar chart over at http://boinc.netsoft-online.com/e107_plugins/boinc/get_cpcs.php

"This chart shows the ratio of credit granted per cpu second for hosts actively participating in any two given projects."

In the netsoft chart, Milkyway@Home is 12.296x Einstein@Home.
Edited by AlphaC - 9/6/13 at 7:10pm
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post #2 of 5
Wow, I never looked at that before...

Let us know when you figure it out... maybe there is an explanation of it somewhere in there...

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post #3 of 5
Thread Starter 
A little more sleuthing:


http://boincstats.com/en/stats/-1/cpcs/compare/61/5

ALL HOSTS



Project credit comparison between MilkyWay@home and Einstein@Home on shared hosts
Lower than 1: the base project offers less credit per CPU second
Higher than 1: the base project offers more credit per CPU second


http://boincstats.com/en/stats/-1/cpcs/compare/35/14
Docking vs Rosetta


http://boincstats.com/en/stats/-1/cpcs/compare/5/61
Einstein & Milkyway


Very weird SIMAP vs Rosetta
http://boincstats.com/en/stats/-1/cpcs/compare/14/18



The "explanation" is confusing = why I asked... tongue.gif

Does shared host mean the polled users have both the two projects in their list of projects?

Does total hosts mean including people without one of the projects in the comparison?

Do the projects give a fixed amount of credit per CPU second? I'm guessing the stats are standardized by CPU second so that it gives a rough idea of per GFlop unit of time (second in this case) how much credit you get?

After all, they do list floating point MIPS (Whetstone) per CPU and integer MIPS (Dhrystone) per CPU when CPU benchmarking (and in the Event log).
Edited by AlphaC - 9/6/13 at 9:24pm
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post #4 of 5
Well, a little help... MANY projects give fixed points because 1) there is a monster difference of points requested on same hardware running Linux vs. Windoz and 2) the credit system is not reliable across all versions of clients and 3) it's easier to process fixed credit on the server side and 4) fixed credit eliminates cheating.

So far as everything else... I am not sure I see the usefulness of the charts for GPU or CPU considering all the types... especially not know exactly how the info is calculated..

Probably above my head...maybe I'm dumb...

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post #5 of 5
Thread Starter 
You might be right... but this suggests that it's some weird formula

http://boinc.berkeley.edu/wiki/Computation_credit
Quote:
A BOINC project gives you credit for the computations your computers perform for it. BOINC's unit of credit, the Cobblestone (named after Jeff Cobb of SETI@home), is 1/200 day of CPU time on a reference computer that does 1,000 MFLOPS based on the Whetstone benchmark
...
Remember that a 1 GigaFLOP machine, running full time, produces 200 units of credit in 1 day
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