Parallella, Raspberry Pi, FPGA & All That Stuff

bowguy
bowguy
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PorkyPies wrote:Has anyone

PorkyPies wrote:

Has anyone tried the new Raspberry Pi OS yet?

Comes in 32 bit and 64 bit flavors. Unfortunately Einstein don't have ARM64 apps, although the N30DG-ARM special apps might work now it has a 64 bit userland. They refer to the 64 bit version as a beta.

I have done an "apt update/apt upgrade" which got around 30 updates, including the kernel. I can't see anything different but then I haven't done a "full-upgrade".

I installed it on a pi3b+ and it seems ok.  Didn't check a lot.  Python is 64 bit, rosetta@home sends WU just fine.  Can't get any einstein stuff working yet.  I have a pi4b 8GB arriving later this week.  It is really the only pi that should take advantage of the 64 bit os.  I'll keep you posted

robl
robl
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If you are interested in a

If you are interested in a beta 64 bit version of the Raspberry P4 OS you can download it here:  Pi64 Bit beta

Just got notified that my Pi 4 8 GB should be arriving this Thursday.  

bowguy
bowguy
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robl wrote: If you are

robl wrote:

If you are interested in a beta 64 bit version of the Raspberry P4 OS you can download it here:  Pi64 Bit beta

Just got notified that my Pi 4 8 GB should be arriving this Thursday.  

Just got my Pi4 8 GB up and running using beta 64 bit version.  Runs Rosetta@home without any special configuration.  Einstein@home needs the 64 bit app from http://kerbodyne.com/einstein/einstein_64bit_0.13.tar

I'll update with results when they finish some tasks

PorkyPies
PorkyPies
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bowguy wrote: Einstein@home

bowguy wrote:

Einstein@home needs the 64 bit app from http://kerbodyne.com/einstein/einstein_64bit_0.13.tar

I'll update with results when they finish some tasks

ARM64 is supposed to be able to run armhf apps. I ended up grabbing the armhf app off one of my other Pi’s and creating an app_info.xml to run it. If you need a copy let me know.

There should be speed advantages to using the 64 bit app. You would need to compare run times with another Pi4.
 

bowguy
bowguy
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Some times for the 8GB Pi4

Some times for the 8GB Pi4 running the Raspberry pi 64 bit OS.

39 tasks, 28 have been validated, no errors so far.  Average CPU time is 8965, max 10473, min 6697.

I moved all my pi4's over to Rosetta@home back in April so my task list doesn't go back that far so I can't see how the pi4 did on Einstein using 32 bit OS

The 8GB Pi4 has been moved over to Rosetta@home for now.

I am running the 64bit OS now on 2 pi4's and one pi3B+

I'll try to compare the pi3 numbers later

bowguy
bowguy
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Pi3B+ is running

Pi3B+ is running Einstein@home about 20% faster in 64bit vs 32 bit

PorkyPies
PorkyPies
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bowguy wrote:Pi3B+ is

porkypies wrote:

How does it go on memory consumption? I presume the 64 bit uses more memory for each task which can be an issue with the Pi3's.

To answer my own question, now that I've got an Pi4 8GB. It uses 193MB per Einstein BRP4 work unit. That is using the optimized app from N30DG-ARM. The 1.47 armhf app uses 133MB per work unit.

 

robl
robl
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For you who use NVIDIA GPUs

For you who use NVIDIA GPUs this article might be of interest.  Scroll down to the "NVIDIA DRIVER" section.  Yes this is on an Ubuntu mate page but it also implies equal support in Ubuntu.  Here is the link:

brit
brit
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I never really knew a great

I never really knew a great application of Raspberry Pi before this. So you're saying if I hook an FPGA board to my computer - the computations could run faster and there'd be more of them?

robl
robl
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brit wrote: I never really

brit wrote:

I never really knew a great application of Raspberry Pi before this. So you're saying if I hook an FPGA board to my computer - the computations could run faster and there'd be more of them?

If your computer #880 is a Pi4 you might want to choose some other type of wu since you are having a large number time out.  

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