Generic CPU discussion

Tom M
Tom M
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Ian&Steve C. wrote: Keith

Ian&Steve C. wrote:

Keith Myers wrote:

Floating-Multiply-Add

Fused Multiply-Add

fused meaning the multiply and add operations are done in a single step.

The image this brings to mind is a bunch of fire cracker fuses being multiplied and then concatenated with a fire cracker?

Apparently the KC Chiefs won/lost and the neighborhood is exploding....

A Proud member of the O.F.A.  (Old Farts Association).  Be well, do good work, and keep in touch.® (Garrison Keillor)  I want some more patience. RIGHT NOW!

Keith Myers
Keith Myers
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Ian&Steve C. wrote: Keith

Ian&Steve C. wrote:

Keith Myers wrote:

Floating-Multiply-Add

Fused Multiply-Add

fused meaning the multiply and add operations are done in a single step.

I knew that looked wrong.  But that is what the dumb internet defined it as. Should have gone with what my poor memory recollection instinctively told me.

 

Keith Myers
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Yes I was rooting for the

Yes I was rooting for the Eagles.  KC has won too many times.  Brilliant second half play by KC and masterful time management by Andy Reid.

 

mikey
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Keith Myers wrote: Yes I was

Keith Myers wrote:

Yes I was rooting for the Eagles.  KC has won too many times.  Brilliant second half play by KC and masterful time management by Andy Reid.

My wifes cousin is very happy but I didn't win the football pool because I also picked the Eagles.

mikey
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Keith Myers wrote: The only

Keith Myers wrote:

The only project I crunch for that I know specifically has compiled apps for AVX is TN-Grid.  They have 3 different compiled versions of the cpu app.  SSE2, AVX and FMA. On my AMD processors, they all converged on the FMA app as fastest. 

Asteroids cpu tasks are using SSE3 and AVX on some of my pc's, not the same on any pc, one of the ones using AVX is this one:

AuthenticAMD
AMD Ryzen Threadripper 1920X 12-Core Processor [Family 23 Model 1 Stepping 1] (24 processors)

while one that is using SSE3 is:

GenuineIntel
Intel(R) Xeon(R) CPU X5550 @ 2.67GHz [Family 6 Model 26 Stepping 5] (16 processors)

I have a couple of each and they are all doing the same thing 

GWGeorge007
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The Eagles were the favorite,

The Eagles were the favorite, but the Chiefs played an excellent 2nd half.  I liked the Chiefs anyway, and ultimately I would like to see Patrick Mahomes eventually beat out Tom Brady with more Super Bowl wins.

George

Proud member of the Old Farts Association

mikey
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GWGeorge007 wrote: The

GWGeorge007 wrote:

The Eagles were the favorite, but the Chiefs played an excellent 2nd half.  I liked the Chiefs anyway, and ultimately I would like to see Patrick Mahomes eventually beat out Tom Brady with more Super Bowl wins. 

Agreed

Boca Raton Community HS
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Tom M wrote: The top

Tom M wrote:

The top performing one Clear OS apparently is not easy to learn. But if you are installing it on 5-10 servers it is worth it.

This is also what I found for the TR CPUs. I installed Clear and have BOINC up and running without any issues. It definitely seems different than Mint (which I have only tried at the surface level) and not as simple. 

GWGeorge007 wrote:

Keep an eye on the PSU though, I've read some stories about 'be Quiet!' PSUs not doing well in suppressing voltage spikes, like what could be caused by your GPU to come.

Agreed- this is something I will be watching closely. I am not yet willing to run these systems overnight until I have seen them in action for weeks on-end during the day (mainly because of the 4090 GPUs- which will be fully plugged in). 

GWGeorge007 wrote:

I think your student's would be more likely in tune with a distro like Linux Mint.

I also agree with this. If Clear doesn't work for us, we will most likely be using Mint. I do not think Clear will be able to do as many things as Mint, but we are willing to give it a try. Thank you for the video links- I have lots to learn and pass on to the students. 

mikey wrote:

I use Linux Mint Cinnamon, and have no problems with Nvidia drivers, I use the point and click method for most things in Linux Mint and drivers are that easy as well.

Has anyone here used Clear? I know we will need help with the Nvidia drivers for this as they will most likely not be as simple as Mint. 

GWGeorge007 wrote:

When you get the 2nd one up and running, how about a picture ( or three ) of what the students put together?

Definitely. The GREAT news is that the Nvidia 4090 GPUs came in today! We may or may not have time to install tomorrow. As soon as they are in, we will snap some final pictures and I will post. The builds look clean. WCG is running on both right now (still with the old AMD FirePro GPUs, temporarily). CPU temps are around 65C under full load. Incredibly quiet systems. 

Tom M wrote:

I have been told that the optimization techniques that petri uses on NVIDIA gpus under Linux will not work directly under Windows.

We plan to implement these techniques once we get the 4090 GPUs up and running. Petri (if you happen to read this), will these techniques work with Linux Clear or should I switch to something else?

Thank you all for the links and info. I know we will be relying on you all to help get these systems up and fully running. 

 

Tom M
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Boca Raton Community HS

Boca Raton Community HS wrote:

We plan to implement these techniques once we get the 4090 GPUs up and running. Petri (if you happen to read this), will these techniques work with Linux Clear or should I switch to something else?

Thank you all for the links and info. I know we will be relying on you all to help get these systems up and fully running. 

My understanding is if you can get Boinc running with the standard E@H apps you can run Petri's optimized apps.  It will run in both "repository" and tBar's AIO versions of Boinc.

Yes I have tried it both ways.

Tom M

A Proud member of the O.F.A.  (Old Farts Association).  Be well, do good work, and keep in touch.® (Garrison Keillor)  I want some more patience. RIGHT NOW!

Ian&Steve C.
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I can answer for Petri since

I can answer for Petri since I’m kind of the liaison for the apps. The FGRPB1G app has been tested extensively with Debian based distributions (Ubuntu, Mint, Debian itself). I don’t see any reason other distributions won’t work as long as you meet the application dependencies. 
 

before you run the application, run ldd on the executable to check for any missing dependencies, simply install anything that shows as missing. 

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