1) Message boards : Number crunching : Server Thread (Message 6261)
Posted 26 Aug 2023 by Mr P Hucker
Post:
I am old enough to have read of early experiments in computers using standing waves in mercury tubes for information storage. I can't remember if it was being used for ram or for some kind of temporary data storage like the "drums" were.
Never heard of that, not sure how it would work as you'd be continually supplying the signal to it, so how is it storing anything?

Although they are still showing kids in high school magnetic core memory:
https://en.wikipedia.org/wiki/Magnetic-core_memory#/media/File:KL_CoreMemory.jpgThere is one of those in the high school I used to work in 10 years ago. Not connected to anything and they don't power it up, probably just the teacher showing off.
2) Message boards : Number crunching : Server Thread (Message 6259)
Posted 26 Aug 2023 by Mr P Hucker
Post:
Lets route them through some Mercury circuits :)
Try a mercury rectifier: https://youtu.be/QY6V2syGnZA?si=_UHout8RNxYA8ylK&t=134

Oh, you meant the planet.
3) Message boards : Number crunching : Server Thread (Message 6248)
Posted 22 Jul 2023 by Mr P Hucker
Post:
Somebody needs to recalibrate the electrons in the etherpipes.
4) Message boards : Number crunching : Server Thread (Message 6246)
Posted 21 Jul 2023 by Mr P Hucker
Post:
Confirmed. 4 million to send on server status, but my computer gets:

61718	Universe@Home	Sat, 22/7/2023 12:25:50 AM	Sending scheduler request: To fetch work.	
61719	Universe@Home	Sat, 22/7/2023 12:25:50 AM	Requesting new tasks for CPU	
61722	Universe@Home	Sat, 22/7/2023 12:25:55 AM	Scheduler request completed: got 0 new tasks	
61723	Universe@Home	Sat, 22/7/2023 12:25:55 AM	Project has no tasks available	
61724	Universe@Home	Sat, 22/7/2023 12:25:55 AM	Project requested delay of 11 seconds	
I see many services disabled on server status, but AFAIK they're not ones required to send out tasks.
5) Message boards : Number crunching : Gpu App? (Message 6230)
Posted 24 Jun 2023 by Mr P Hucker
Post:
Oh my... you are a giggle. And well past any hope.
Why? Because I didn't sign up for the modern softness everyone's caught?

Back to the riddle for you.
I will not play silly games.
6) Message boards : Number crunching : Gpu App? (Message 6228)
Posted 24 Jun 2023 by Mr P Hucker
Post:
Why does that not surprise me.
Does the term "bull in a china shop" ring a bell and give you an inspiration ?
I thought my post would fly over your head. So you're saying I'm a big strong bull and you're all weak little fragile pieces of china, makes sense. Ah, you're an American, the country where they think "damn" and "crap" are swearwords.
7) Message boards : Number crunching : Gpu App? (Message 6226)
Posted 24 Jun 2023 by Mr P Hucker
Post:
You might want to look at the bigger picture and consider your technique. You have a lot of knowledge to share. And with a more moderate delivery more people might gain something instead of tuning you out.
I speak plain English, look up "northerner" in the UK. "I say what I like and I like what I bloody well say". Anyone who can't handle abrupt and to the point facts can get lost.

https://youtu.be/jY4tD2Hbg_A

And I have no idea what your riddle meant.
8) Message boards : Number crunching : Gpu App? (Message 6224)
Posted 23 Jun 2023 by Mr P Hucker
Post:
All clock cycles are not equal. But all clock cycles are cumulative.

And every completed Task is the same .... Done
Sorry I don't speak Confucius.
9) Message boards : Number crunching : Gpu App? (Message 6223)
Posted 23 Jun 2023 by Mr P Hucker
Post:
Sorry, forgot which Ryzen you have. The #2 Top Participant is a TR 3970X Threadripper.

https://asteroidsathome.net/boinc/results.php?hostid=708920

Similar core count as your 3900XT - 12 cores/24 threads. He is running even faster than yours.

1900 seconds per task. NOT running hyperthreaded at 32 threads. Reported 41 tasks in the same scheduler connection. He is keeping the clock rate up at boost obviously by not running hyperthreaded.

https://www.cpubenchmark.net/cpu.php?cpu=AMD+Ryzen+Threadripper+3970X&id=3623 3.7Ghz base clock.
But more likely closer to the 4.5Ghz boost clock based on the runtimes.

This host proves your point. But I assert this host in an outlier from the general population. The most common and numerous processor is some Intel cpu, probably trending toward a Xeon with their lower clock speeds and longer runtimes.
There are fast and slow CPUs, there are fast and slow GPUs. But on Asteroids, a fast CPU does as well as a fast GPU. On Einstein, a fast GPU severely outpaces a fast CPU. So it's best to put your GPU on Einstein, and your CPU on Asteroids. If a GPU can do the equivalent of 20 CPUs in Eintsein, or the equivalent of 1 CPU in Asteroids, Einstein is the obvious choice.
10) Message boards : Number crunching : Gpu App? (Message 6220)
Posted 23 Jun 2023 by Mr P Hucker
Post:
Most Threadrippers have a significantly lower base, and somewhat lower boost, clock speeds.
eg-
        Threadripper 3990X vs AMD Ryzen 9 3900X
Base Clock     2.9 GHz             3.8 GHz	
Boost Clock    4.3 GHz             4.6 GHz

Higher clock speed, shorter processing time. But if you have enough slower threads, then you still get more work done per hour than a higher clocked system with less cores/threads.
Which is what I thought. A threadripper should get more Asteroids done per hour than I do. And even mine is as good as Keith's GPU. Over at the political activism Einstein site, GPU work goes at least an order of magnitude faster on GPU.
11) Message boards : Number crunching : Gpu App? (Message 6218)
Posted 23 Jun 2023 by Mr P Hucker
Post:
The only reason why Einstein is at the top of the chart of my projects is because the Gamma-Ray gpu tasks award a very high credit award. And they run quickly with my anonymous application. And I've been doing Einstein the longest of all my existing current projects.
My point to Bill was it's a project you like.

I looked at other fast hosts on the top participants page similar to your Ryzen 9 7900XT and the Threadripper hosts have similar clock speeds but don't achieve the same runtimes as your lighter loaded 32 thread cpu.
I found some Intel CPUs almost as fast as mine according to cpubenchmark.net, and they are considerably slower, which made me think maybe Asteroids is more suited to AMD CPUs. But then you mention the threadripper. Mine is a Ryzen 9 3900XT, not 7900. Can you link to a threadripper so I can have a look? I find it hard to believe they aren't way faster than mine.
12) Message boards : Number crunching : Gpu App? (Message 6216)
Posted 23 Jun 2023 by Mr P Hucker
Post:
Well maybe he likes the Asteroids@Home project. If so then until Einstein starts serving up Asteroid tasks on the Einstein project site he will probably leave his GPU's running where they are ... don't you think?
Look at the table in his sig. Einstein is his favourite right at the top.
13) Message boards : Number crunching : Gpu App? (Message 6214)
Posted 22 Jun 2023 by Mr P Hucker
Post:
Yes, I am running 0.5 gpu_usage on all my gpu projects. So divide that 220 seconds in half.
I looked at the top participants list and most of the first page have cpu runtimes in the one hour to two hour values. So nowhere near your 2750 second runtimes.
1.5 hours is only twice as long as mine. Not everyone has Ryzen 9s. But I thought it sensible to compare a good CPU with your good GPU.

And my point stands, you're not achieving the huge speed increase with GPU as you can with say Einstein, so you're wasting your GPU.

Compare one of your GPUs and one of your CPUs with each other on Asteroids, then compare the same two on Einstein.
14) Message boards : Number crunching : Gpu App? (Message 6212)
Posted 22 Jun 2023 by Mr P Hucker
Post:
Unless you are running an absolutely ancient card from the Kepler or Maxwell families, you will never be issued a CUDA55 application. Most people will be issued the CUDA102 or CUDA118 applications which are much faster and require much newer drivers.

Those CUDA applications are much faster than running a task on the cpu. Productivity will be much greater also even if running cpu tasks on all cores.
220 seconds on your RTX 3080Ti
2750 seconds on my Ryzen 9 3900XT / 24 for all threads = 114 seconds

So my Ryzen is doing twice the work of your GPU.

Unless you're running more than one at a time. If you run two at a time, you're getting as much work out of that card as my CPU. Which is no good. A GPU should be 10-50 times faster than a CPU, look at the times on Einstein.
15) Message boards : Cafe : Fan competition (Message 6211)
Posted 22 Jun 2023 by Mr P Hucker
Post:
Who has the most fans in total on their computer equipment? You can include air conditioning fans, power supply fans, CPU fans, graphics cards fans, any fan connected with cooling the computers.

I have 67:

3 extractor fans on the window.
1 PC PSU powering the window fans.
6 fans cooling a shelf with two xeon server boards.
1 desk fan blowing air over some rather hot 12V 400A connections.
3 PC PSUs for normal function.
1 PC PSU to power SSDs and fans for server boards.
2 on two 2.6kW HP server supplies for GPUs.
8 on two 1.3kW HP server supplies for GPUs.
1 on a 1kW 12V LED lighting supply for GPUs.
1 laptop fan.
10 CPU fans.
35 GPU fans.
4 case fans.
16) Message boards : Number crunching : Gpu App? (Message 6209)
Posted 21 Jun 2023 by Mr P Hucker
Post:
Asteroids shows two windows apps that show "(cuda55)" in the Name / version. Is this an indication of a NVIDIA Application ?Bill F
Yes, but those who have run it find it no faster than a CPU. Why use a more expensive and power hungry GPU to achieve the same, when that GPU could be going 50 times faster in another project like Einstein?
17) Message boards : Number crunching : Forum webpage broken (Message 6206)
Posted 20 Jun 2023 by Mr P Hucker
Post:
It's my main windows machine, it's broken. In trying to fix this problem, I deleted and recreated the network bridge and now that didn't work either. I had to manually input the IP address, it was no longer sending DHCP request to the router. It's a miracle Windows works at all, they seem to screw everything up, quite how it's managing to very slightly adjust what goes into a browser I don't know. I'll just have to live with two websites not working right. I can resize the ..... oh! I just blocked your footer with adblock and it's working now. Gumtree searches I'll just use another machine for.

My network is:
Internet router ----- Main PC using Windows network bridge across two ethernet cards ----- switch in garage with 7 PCs on it.

I've done it like this so I can monitor the total internet traffic going to/from the internet from all PCs using software on the main PC. When running the LHC project, it tends to max out my 6.5Mbit uplink so I have to be careful how much of it I do at once or it makes the tasks sit waiting and not processing.
18) Message boards : Number crunching : Forum webpage broken (Message 6204)
Posted 20 Jun 2023 by Mr P Hucker
Post:
It looks like your browser make a mess as I can't reproduce what you show.
I'm using FF on Win10.
I got it in Opera and Firefox, so I assumed it wasn't me. However recently Gumtree search is blank on any browser on this machine, yet ok on another machine.

Did you try refresh page with ctrl-shift-r?
Doesn't help.

Seems to be something really weird on this PC (Windows 11). All the browsers do it so it's not the browser or any extensions (I have extensions only in Opera). My other Windows 11 PCs are fine, so it's not my internet connection. I use a VPN occasionally but that's off, I wonder if that could have left something in the network stack? I've rebooted since I last used it though. Maybe virtualbox is tampering, who knows? I've asked in elevenforum.
19) Message boards : Number crunching : Forum webpage broken (Message 6201)
Posted 20 Jun 2023 by Mr P Hucker
Post:
The black banner at the bottom now scrolls with the page, covering the button to post this message, I have to resize this field to find the post button.

20) Message boards : Number crunching : Gpu App? (Message 6200)
Posted 20 Jun 2023 by Mr P Hucker
Post:
Are we using Radeon GPUs here yet? Been awhile since I've been here and trying to catch up.
Only place to use those for astrophysics is Einstein I think, since Milkyway has finished seperation as of today. Nvidias can also run Asteroids, but no faster than a CPU so a waste of time.


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