My home 'supercomputer' - raspberry pi SETI@HOME

[Gav]

James R. is to blame for inspiring this one:

https://tinkerings.org/2016/05/16/home-supercomputer-using-spare-raspberry-pis

This was put together using parts I had laying around the house, with some extra Pis supplied by John and Darryl. 

[Jason Ball]

Beat me to it by a matter of weeks ;)

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[Iain Chalmers]

Nice!

I've got a stupid idea to mock up our standard Amazon AWS stack with PiZeros - these three are the ELB - those ones are the EC2 instances running the web app, those two are the multi-region RDS database, those three are the S3 storage...

All mounted on a wall-chart type thing, perhaps with lines of LEDs or EL wire representing (and blinky-ing) the network traffic - I'd actually run a sample site on it, so you could point things out to people, hit a web page, and watch various things blink...

Zeros don't really have enough networking - but the biggest problem is getting hold of enough of them. (Adafruit sell them for the actual $5 advertised price, but only one per customer with a minimum ~$16 shipping... When they'll sell me 20 for ~$100+shipping, Il revisit this plan...)

big

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"I say we take off and nuke the entire site from orbit.
That's the only way to be sure." - Ellen Ripley

[Jason Ball]

I'm simply looking at using the Pi's as an experimental docker swarm, so I can do nasty things to the network stack that simply can't be done on a fully virtualised stack...

J.

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Teach your kids Science, or somebody else will :/

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[Peter Hardy]

This is a stupid idea I can get on board with.

But my AWS environment is... unique. Not sure 20 Zeros would cover it. :(

[Jason Ball]

Hmm... Bulk Pi Order anybody ?

I'll take 10 ;)

[Iain Chalmers]

I don't think anybody will currently sell you 10 Zeros.

IF anybody knows different - I'll take 20 @ ~$5US each! Not interested in the "$5 Pi Zero, but you have to buy $5 worth of cables and adaptors for $30 at the same time" deals...)

big

[Jason Ball]

I don't know that zero's are the right platform to be completely honest.  No on board network for a start which is kind of important when contemplating a network solution ;)

This will come, and somebody will eventually bring out a pi cluster motherboard.  For now, It's Pi 3's for me.

J.

[Iain Chalmers]

Yeah, definitely all wrong for the task, except for the price...

I want at least 12, and probably more like 20 to depict an autoscaling group (more if I want to represent web server/app server/ WAFs...)

I can see myself plunking down $100(US) for a lark. With Pi3's that'd me closer to $800. (Although, to be fair, I'll need to add USB/Ethernet converters to the PiZeros - that'll cost me something like $3 each, or 2/3rds of the price on top of each PiZero...)

big

[Jason Ball]

I'm thinking the Orange Pi is the go for this, less memory (512MB) but at US$10 each you can have 6 * more nodes for the money...

J.

[Aleksandr Motsjonov]

https://www.youtube.com/watch?v=TEyU1zSqFwU how appropriate Dave made a video today. Even shows that it runs Boinc

[Mike Brown]

If you want to pay $50 a piece Bangood let you order more than 1 from their US warehouse. 

http://www.banggood.com/Raspberry-Pi-3-Model-B-ARM-Cortex-A53-CPU-1_2GHz-64-Bit-Quad-Core-1GB-RAM-10-Times-B-p-1041862.html

[Jason Ball]

Why would I pay 50 when I can pay 10 ?

[JT]

There is a bit of difference between ARMv7 and ARMv8

* 64bit not 32bit

* more registers

* IEEE-754 compliance.

* better SIMD support

But nothing to care about. :)

- JT

> Jason Ball <ballm...@gmail.com>: May 25 06:37PM +1000