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BobbyB
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Raspberry Pi

Am looking at the Raspberry Pi 4 to do some crunching. I've read enough to know I can get the OS and Boinc stuff to work correctly.

What I wonder is how much work can this thing do compared to an older PC. What would it compare to in Intel or AMD terms.

Anyone doing this and is it worth the time I will put into it?

Pointers??

[Aug 13, 2020 3:50:14 AM]

Umlauf
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Re: Raspberry Pi

Hello,

I am using a odroid N2 with linux.
It crunshes 10 to 12 OPN a day.

https://www.worldcommunitygrid.org/ms/device/...=6919211&deviceType=B

[Aug 13, 2020 4:31:48 AM]

TLD
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Re: Raspberry Pi

I have an amd A6 in a laptop that averages around 15 WUs per day

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[Aug 13, 2020 5:47:28 AM]

PowerFactor
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Re: Raspberry Pi

I have a set of 8 Raspberry pi 4's running OPN right now.

1. OPN WU's take about 8-9 hours each
2. 8-12 results per day for each raspberry pi 4
3. 5000-6000 points per day for each raspberry pi 4
4. I don't know the power draw in watts, but they don't generate alot of heat.
5. For the record, I am using Ubuntu 20.04: https://ubuntu.com/download/raspberry-pi
6. All my raspberry pi 4's are the 4GB RAM version. That is actually more than enough memory. You could go for the 2GB version and still have extra memory.

Also, there is also some special setup with the OS and BOINC to crunch WCG work units:
https://www.worldcommunitygrid.org/forums/wcg/viewthread_thread,42687

Side note: don't waste your time with the raspberry pi 3 (previous generation raspberry pi). I have one of those and it is horribly slow with OPN WU's.

Lastly, don't forget your active cooling. These guys can get hot!

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[Edit 1 times, last edit by thepeacemaker7 at Aug 13, 2020 1:43:11 PM]

[Aug 13, 2020 1:40:15 PM]

BobbyB
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Re: Raspberry Pi

8-12 results per day sounds like an Intel duo core and so does 5000-6000 points per day.
My old Lenovo T400: Processor: 2 GenuineIntel Intel(R) Core(TM)2 Duo CPU P8400 @ 2.26GHz [Family 6 Model 23 Stepping 10]

Nice to know that I can get away with the 2GB version.

What microSD card do you use?. I read you need the high quality ones like Sandisk otherwise the cheaper ones burn out with use.

Lastly you mention a set of 8. Are they stacked naked in a special cabinet or each with its individual casing.

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[Edit 1 times, last edit by BobbyB at Aug 14, 2020 4:59:53 AM]

[Aug 14, 2020 4:48:30 AM]

Dataman
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Re: Raspberry Pi

@ Bobby B:
I have 21 RPi's ranging from Version 2, 3, 3B, 4, 4B & a 4B with 8 GB RAM.

16 of them are in a cluster array using Yahboom cluster:

https://www.amazon.com/gp/product/B07K72STFB/...n_title?ie=UTF8&psc=1

The rest are stand-alone cases with dual mini fans. You must have sufficient cooling.

I use 16GB Sandisk and have never had one fail.

Hope this helps and good crunching.

cowboy

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[Aug 14, 2020 5:40:02 PM]

BobbyB
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Re: Raspberry Pi

Definitely something I need to try if just for the experience. The cluster sounds good if I decide to go more than 1.

[Aug 15, 2020 6:25:19 AM]

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Re: Raspberry Pi

(Disclaimer; Linux noobie up ahead) I checked this thread, but didn't see any reference to the supported OS that is being used by the Raspberry Pi. I'm interested in setting up a Pi system using the native OS, Raspbian... so my question would be: is Raspbian supported to run WCG? I know that Ubuntu is supported, but not sure if the Debain variant, Raspbian, is. I have two objectives to setting this system up:
1) Learn Linux
2) Have my own home system, since right I only have a tablet for home computing.

CJSL
Thanks,
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[Aug 16, 2020 12:03:28 AM]

TonyEllis
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Re: Raspberry Pi

Two 3B+ and one 3A+ here, one of them...


root@dns-pi-0:/etc/mrtg# cd ~
root@dns-pi-0:~# cat /etc/os-release 
PRETTY_NAME="Raspbian GNU/Linux 10 (buster)"
NAME="Raspbian GNU/Linux"
VERSION_ID="10"
VERSION="10 (buster)"
VERSION_CODENAME=buster
ID=raspbian
ID_LIKE=debian
HOME_URL="http://www.raspbian.org/"
SUPPORT_URL="http://www.raspbian.org/RaspbianForums"
BUG_REPORT_URL="http://www.raspbian.org/RaspbianBugs"
root@dns-pi-0:~# apt list boinc-client
Listing... Done
boinc-client/stable,now 7.14.2+dfsg-3 armhf [installed]
root@dns-pi-0:~# wcg_work.sh 
    OPN1_0007384_05607
     Fri Aug 21 00:42:32 2020
     fraction done: 0.971767
    OPN1_0007387_10709
     Fri Aug 21 01:23:10 2020
     fraction done: 0.613792
... snipped
root@dns-pi-0:~#

see also threads like this https://www.worldcommunitygrid.org/forums/wcg/viewthread_thread,42687

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[Aug 16, 2020 3:40:53 AM]

cjslman
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Re: Raspberry Pi

Thanks @TonyEllis !

CJSL
Crunching down the highway...

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[Aug 17, 2020 12:47:09 AM]

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