Posts by MarkJ

1) Message boards : Number crunching : Don't know where it should go? Stick it here! (Message 2032609)
Posted 16 Feb 2020 by MarkJ Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Post:
https://phys.org/news/2020-02-breakthrough-petabytes-seti-survey-milky.html

So apparently Breakthru Listen has released to major chunks of data. And they are available. It is not clear what the format is and how much processing power we would have to devote to get it into a format our apps can process.
Or create Apps to process it natively. Plus it may/may not be possible to split it into the sizes the volunteer corp can handle.

I think you’ll find that’s what the BLC work units are from.
2) Message boards : Number crunching : Raspberry Pi & Other SBC Computers Discussion Thread :) (Message 2032059)
Posted 12 Feb 2020 by MarkJ Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Post:
I updated and saw nothing of interest or worth commenting about. Supposed to be a small change in Nautilus with the side panel. I never noticed what was supposed to be different.

Apparently one of the changes is enabled OpenSSL neon extensions that the ARM v7 (Pi2 and later) support. It might be a little quicker for secure web pages and other stuff that uses it.

The Raspbian release notes are here
3) Message boards : Number crunching : Don't know where it should go? Stick it here! (Message 2029876)
Posted 30 Jan 2020 by MarkJ Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Post:
Checking on tasks, it shows that they are still in progress & checking on the wu, it shows "suppressed pending completion". Never seen that before.

They had a similar thing at Einstein. Some of their tasks have single replication so they didn’t want you to know until after it had validated. They set some tasks at random to double replication to make sure you’re producing valid results.
4) Message boards : Number crunching : How to Fix the current Issues - One man's opinion (Message 2029629)
Posted 28 Jan 2020 by MarkJ Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Post:
It was suggested some time back (under some other message thread) that they could shorten the deadlines. That should reduce the work units out in the field. Quite a few projects use 2 week deadlines which should be enough time for the slower hosts to complete a MB and maybe an extra week for Astropulse.
5) Message boards : Number crunching : Two Nvidia cards, one showing neither being used (Message 2025998)
Posted 2 Jan 2020 by MarkJ Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Post:
If you’re under Debian all you need to install is:
sudo apt install nvidia-kernel-dkms

If you want OpenCL then:
sudo apt install nvidia-opencl-icd

As I write this Buster has a 418.74 driver, Buster backports has 430.64. If you are on Stretch it has 390.116 and stretch backports has 418.74

I might add they’re under the non-free category, so make sure your /etc/apt/sources.list has non-free after the URL on each line. Typically you’d have “main contrib non-free” without the quotes.
6) Message boards : Number crunching : Two Nvidia cards, one showing neither being used (Message 2025991)
Posted 2 Jan 2020 by MarkJ Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Post:
If you’re under Debian all you need to install is:
sudo apt install nvidia-kernel-dkms

If you want OpenCL then:
sudo apt install nvidia-opencl-icd

As I write this Buster has a 418.74 driver, Buster backports has 430.64. If you are on Stretch it has 390.116 and stretch backports has 418.74
7) Message boards : Number crunching : BSOD using ASRock MB and EVGA graphics Cards (Message 2024617)
Posted 23 Dec 2019 by MarkJ Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Post:
You didn’t upgrade to AGESA 1.0.0.4 did you?
8) Message boards : Number crunching : Raspberry Pi & Other SBC Computers Discussion Thread :) (Message 2020618)
Posted 26 Nov 2019 by MarkJ Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Post:
I just blew more than 1/2 of an Amazon gift card on a 2nd Raspberry Pi 4 with the "official" power supply, the ICE tower and a SenseHAT.

That might be a problem. As far as I know the SenseHAT sits over the top and therefore you won’t be able to fit the cooler, or if you fit the cooler you won’t be able to connect the SenseHAT.
9) Message boards : Number crunching : Raspberry Pi & Other SBC Computers Discussion Thread :) (Message 2020617)
Posted 26 Nov 2019 by MarkJ Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Post:
Been using SETI on the Pi3 for many months all is well and no issues. Just got a Pi4 and setup a fresh SD card with new copy of Stretch, added the SETI program for the add and remove apps, bit it didn't seem to install.

Is setting running OK on Pi4 is it is not compatible yet?

Hopefully you used Buster and not Stretch. You need Buster for a Pi4.

You shouldn’t add the Seti program, the project supplies the app and work units. Just install boinc-client and if you have a screen, boinc-manager. After that attach to the Seti project and it will download the multi-beam app. There isn’t an astropulse app for the Pi at the moment.
10) Message boards : Number crunching : Need help getting Inel GPU crunching (Message 2019389)
Posted 17 Nov 2019 by MarkJ Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Post:
What about for newer Intel GPU's?
How does one setup for using those - for example the Intel UHD 630

You'll need the Intel Neo drivers for anything newer than the 7th generation Intels. For older generations they had the beignet drivers which might be available in a SUSE repo. As far as I know the Neo drivers are only available for Ubuntu and Windows. If you want to roll your own its available on github.

You'll find using the on-board graphics slows down the CPU tasks by a considerable margin so we don't recommend using them.
11) Message boards : Number crunching : Weekend Warriors - aka: not crunching Seti 24/7 (Message 2016841)
Posted 27 Oct 2019 by MarkJ Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Post:
I have a number of rigs that I am limiting due to heat. While we have air conditioning we don’t use it often, so the PCs only run when it’s cool enough.

I try to keep the modern kit but lower wattage. All my current CPUs are 65 watt TDP and GPUs I try to keep at or under 120 watts. It also helps to sell older kit while it’s still worth something in order to upgrade every couple of years.
12) Message boards : Number crunching : Raspberry Pi & Other SBC Computers Discussion Thread :) (Message 2016006)
Posted 20 Oct 2019 by MarkJ Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Post:
The change to install into /var/lib/boinc was made in BOINC version 7.10.2. I knew about that. But I was totally confused by why I had a /var/lib/boinc-client directory too. And the default data directory in 7.14.2 is STILL in /var/lib/boinc-client. It's printed in the startup of BOINC each time. So WHY bother to make a symlink to /var/lib/boinc and not just install into /var/lib/boinc in the first place which is what the commit in 7.10.2 says its going to do?

https://github.com/BOINC/boinc/commit/344ddabeb4e0b453ab7c3be8d5d1d5e478de2561

Default working directory changed to /var/lib/boinc
This change should got into the 7.10 client release.

I expect they were worried something might still use the boinc-client directory so a sym link allows them to keep working. I can ask when they are going to switch to the one directory.
13) Message boards : Number crunching : Raspberry Pi & Other SBC Computers Discussion Thread :) (Message 2015976)
Posted 19 Oct 2019 by MarkJ Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Post:
So can you explain why Buster makes a symlink for the entire /var/lib/boinc-client directory to an entirely new and never had before /var/lib/boinc directory when we used Stretch?

It wasn’t Buster, it was in earlier versions of BOINC where they changed the package install scripts, although I can’t recall when they did it, it might have been with 7.14. The Debian Linux maintainers are trying to make it consistent with other Linux flavours. The other flavours of Linux use /var/lib/boinc but for some reason Debian used /var/lib/boinc-client. They will eventually get rid of the boinc-client directory, but that will be in a future release.

Also the 7.16 release has done away with the ability to shut down the core client from the manager. There was discussion about it but the Linux guys feel if you are going to stop a system started service you should use the tools available for security/permission reasons eg “sudo systemctl stop boinc-client”, or if you are on the console as root “service boinc-client stop” still works.
14) Message boards : Number crunching : Raspberry Pi & Other SBC Computers Discussion Thread :) (Message 2015941)
Posted 19 Oct 2019 by MarkJ Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Post:
I wonder if there is any config files that I could try editing? I'm not a Linux guru at all, but with some advice I might get that done.

The first thing I would check is the gui_rpc_auth.cfg (its in /etc/boinc-client with a sym link to /var/lib/boinc-client). The manager needs to have the password that is in there in order to connect to the core client. If you can't add the "--password xxx" where xxx is the value in gui_rpc_auth to the desktop shortcut for BOINCmgr then edit the gui_rpc_auth and blank out the password.

I run buster on my Pi's but they are all headless so I don't even install the manager. I use BOINCtasks on a windows PC to look at the farm (it also needs the password). I have buster on some of my x64 machines with the manager installed and I always add the password line to the desktop properties otherwise they won't connect to the core client.


Question 2: Since my homepage statistics for my Pi 4B show 19 tasks as 'calculating', is there any way to remove those or reset/remove just that computer?

Once you get the manager going you could try the ghost recovery protocol to try and get the 19 missing tasks back. There is a sticky message thread that describes it at the top of this forum.
15) Message boards : Number crunching : getting hardware level remote control (Message 2009963)
Posted 30 Aug 2019 by MarkJ Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Post:
Another possibility is having power strips that can be remotely reset. From memory Seti used to use them before the servers got moved down to the colo.
16) Message boards : Number crunching : The spoofed client - Whatever about (Message 2004609)
Posted 28 Jul 2019 by MarkJ Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Post:
So following the logic of reducing the out-in-the-field number surely shortening the deadlines would improve that. The project could adjust it, wait a while to see the effect and then look at increasing the per-host limits. Once that’s done you don’t need the spoofed client.
17) Message boards : Number crunching : Ryzen 3000 head count? (Message 2004509)
Posted 27 Jul 2019 by MarkJ Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Post:
I’ve got a Ryzen 3600 that replaced a Ryzen 1700. Three more on order.

Excellent.

First Ryzen 3600 is here
Second Ryzen 3600 is this one

The Ryzen 1700’s seem to have topped out with a RAC of 75,600 so that’s what these machine need to beat. The GPUs were moved from the old machines into the new ones and the OS is the same setup I use on all of them.
18) Message boards : Number crunching : Ryzen 3000 head count? (Message 2004472)
Posted 27 Jul 2019 by MarkJ Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Post:
Just like to ask, what do you do with your old CPU (Mine is AMD 1700x)? Throw it away? I live in South America, so I do not see a secondary marked. If somebody has a good suggestion a 3900x will be on its way, but I do not want to buy a new motherboard (I would switch the ASUS 370x to a 450B) or something else. Otherwise I will wait till September and then donate the Pentium 2 for a 3950x with the corresponding motherboard.

That is one of the reasons why I upgrade the motherboards. It’s easier to sell a working machine than just the CPU. Ideal is a complete system but people will take a motherboard if it’s got all the parts.
19) Message boards : Number crunching : Ryzen 3000 head count? (Message 2004221)
Posted 25 Jul 2019 by MarkJ Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Post:
May I ask how you set up the cpu to manage its core clocks on both systems? The 1700 ran the cpu clocks at 3200Mhz. The 3600 is running the cpu clocks at 3950Mhz.

For the Ryzen 1700 it’s set to auto in the bios. Memory is DDR4-2400 (what it’s officially rated for).

For the Ryzen 3600 it was set to auto which defaults to 2400 but I have set it to 3200. Memory is DDR4-3200, again what it’s officially rated for.

Yes I know both could have used faster memory but I didn’t want to pay a fortune for the memory kits so stuck to the official speeds. I could have over clocked the memory but I didn’t think the few percent I would gain was worth the hassle.
20) Message boards : Number crunching : Ryzen 3000 head count? (Message 2004211)
Posted 25 Jul 2019 by MarkJ Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
Post:
I’ve got a Ryzen 3600 that replaced a Ryzen 1700. Three more on order.

Excellent.


Are you able to keep the same motherboard? Do you notice big difference for seti?

I decided to get a new motherboard at the same time. They’re ASUS X570-P and I am using a Noctua NF-U9S cooler on the Ryzen 3600. It’s this host. You could compare it with one of its predecessors here. The new one hasn’t passed the old one yet but it’s RAC hasn’t settled yet either.


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