Question Genoa builders thread.

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Markfw

Moderator Emeritus, Elite Member
May 16, 2002
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I was trying to attach a short video of the 8000 RPM fan of the current HSF, and it will not allow mp4 files. Lets just say (from those that heard it on discord) Its a jet engine.

I can't wait until the good ones show up.
 

vityan666

Member
Apr 12, 2023
43
31
51
Congrats on the new, working CPU, Markfw

I think the smaller cooler is too small even for 24/32 cores, let alone the 96 code behemoth.
Probably backed-up by rack's fans - the secondary jet engine
If I remember the specs correctly, this fan is able to ramp up to 11000RPM at full load, which will be hell loud.
 
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jonperron09

Junior Member
Apr 14, 2023
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The cpu and memory shipped 2day and I should get them thursday . I already have the case, MB, SSD installed. I will install the CPU and RAM thursday. Then I will only be missing the CPU Heatsink (Alibaba) and my PSU. I'm from Canada, and the Twins 900W PSU was harder to get here. So I'm picking it up April 28 when I go to the US. I should have everything running the first week of may. I will post pics when it's done.
 

Markfw

Moderator Emeritus, Elite Member
May 16, 2002
26,389
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You are leaving alot of performance by installing Ubuntu. There are other Distros that will full advantage of Genoa.
If you have any links to the fastest one, post here please, and I will consider it as a second OS. Linux mint is easy to install and use, and right now its running just great.

@jonperron09 Right now I am running this noisey piece of junk, also waiting on a REAL heatsink from Alibaba ETA May 1st ?? They shipped it yesterday, but say 30-45 working days from that date delivery, so who knows.

 
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Markfw

Moderator Emeritus, Elite Member
May 16, 2002
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Thanks, I will look into it. One thing to consider: If you are not a linux guru, then installation and debugging and updates being easy is a MAJOR plus. Linux mint is almost as easy as windows to install. I am NOT a linux guru, but its more efficient than windows most of the time, and its FREE.
 
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jonperron09

Junior Member
Apr 14, 2023
6
10
36
If you have any links to the fastest one, post here please, and I will consider it as a second OS. Linux mint is easy to install and use, and right now its running just great.

@jonperron09 Right now I am running this noisey piece of junk, also waiting on a REAL heatsink from Alibaba ETA May 1st ?? They shipped it yesterday, but say 30-45 working days from that date delivery, so who knows.


I bought mine on April 13, and they shipped this morning from Hong Kong, and it got to Anchorage at noon. So I think it shouldn't be too long from there (I'm in Quebec). Pretty sure I'll get it before the PSU.
 

nicalandia

Diamond Member
Jan 10, 2019
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Thanks, I will look into it. One thing to consider: If you are not a linux guru, then installation and debugging and updates being easy is a MAJOR plus. Linux mint is almost as easy as windows to install. I am NOT a linux guru, but its more efficient than windows most of the time, and its FREE.
Clear Linux is not an Easy Distro. But the fastest Distro
 

moinmoin

Diamond Member
Jun 1, 2017
5,145
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Clear Linux is not an Easy Distro. But the fastest Distro
Gentoo tops it by its nature of being a sources distro that optimizes all software builds to the hardware used.

Though for Zen 4 it's best to first wait for GCC 13 and binutils 2.40 as those will introduce optimizations for Zen 4 (like enabling AVX-512) that Gentoo then can make use of.
 

Shmee

Memory & Storage, Graphics Cards Mod Elite Member
Super Moderator
Sep 13, 2008
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Is Genoa considered Zen 4 Epyc only, or does it also include Zen 4 Threadripper? I am interesting in a nice HEDT build as my next upgrade, sometime down the road, and would consider a Threadripper platform if it has good game performance as well.
 
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moinmoin

Diamond Member
Jun 1, 2017
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Is Genoa considered Zen 4 Epyc only, or does it also include Zen 4 Threadripper? I am interesting in a nice HEDT build as my next upgrade, sometime down the road, and would consider a Threadripper platform if it has good game performance as well.
Threadripper has its own code names:
  • Zen: Whitehaven
  • Zen+: Colfax
  • Zen 2: Castle Peak
  • Zen 3: Chagall
  • Zen 4: Storm Peak? (not sure that's for TR or the TR5 platform)
 

yuri69

Senior member
Jul 16, 2013
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Gentoo tops it by its nature of being a sources distro that optimizes all software builds to the hardware used.
IIRC Clear Linux uses various custom patch sets, non-standard kernel config, and used per-app custom build flags in order to deliver the runtime experience.

An ordinary Gentoo setup is much more conservative.
 

moinmoin

Diamond Member
Jun 1, 2017
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IIRC Clear Linux uses various custom patch sets, non-standard kernel config, and used per-app custom build flags in order to deliver the runtime experience.

An ordinary Gentoo setup is much more conservative.
That's a good point. The main question is then how much work it is in Clear Linux to make best use of Zen 4 (e.g. enable AVX-512). In Gentoo's ideal case one would just set the arch (-march=) one time to better fit the hardware and be done with it.

But you are correct that Clear Linux may have an advantage through its own optimizations. There I'd hope such are being upstreamed over time. Would be interesting to have benchmarks of both.
 

Markfw

Moderator Emeritus, Elite Member
May 16, 2002
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That's a good point. The main question is then how much work it is in Clear Linux to make best use of Zen 4 (e.g. enable AVX-512). In Gentoo's ideal case one would just set the arch (-march=) one time to better fit the hardware and be done with it.

But you are correct that Clear Linux may have an advantage through its own optimizations. There I'd hope such are being upstreamed over time. Would be interesting to have benchmarks of both.
Speaking of avx-512 and Genoa.... My 9654 is running linux mint, and processing using avx-512, and running 16 hours per task (8 cores@1.9 ghz) vs fully optimized 7950x running 8 hours per task(8 cores@4.5 ghz), so I would say linux mint is doing just fine with avx-512. My poor 2970wx is running 8 cores @34 hours....

Note from primegrid about the software:

Intel and recent AMD CPUs with FMA3 capabilities (Haswell or better for Intel, Zen-2 or better for AMD) will have a very large advantage running LLR tasks, and CPUs with AVX-512 capabilities (certain recent Intel Skylake-X and Xeon CPUs, AMD Ryzen 7000 and EPYC CPUs) will be the fastest.

Note that LLR is running the latest AVX-512 version of LLR which takes full advantage of the features of these newer CPUs. It's faster than the previous LLR app and draws more power and produces more heat, especially if they're highly overclocked. If you have certain recent Intel Skylake-X, Xeon, or AMD Zen-4+ CPUs, especially if it's overclocked or has overclocked memory, and haven't run the new AVX-512 LLR before, we strongly suggest running it before the challenge while you are monitoring the temperatures.
 
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Shmee

Memory & Storage, Graphics Cards Mod Elite Member
Super Moderator
Sep 13, 2008
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I haven't tried Clear Linux, but I will mention that in addition to Mint, I really like Xubuntu. Both seem to have clean GUI, and seem lighter and probably better performing than the default Ubuntu with Gnome. So you may want to try Xubuntu if you like Mint.
 

jonperron09

Junior Member
Apr 14, 2023
6
10
36
@Markfw Just got the Heatsink.

And now I feel like an idiot. I was so focused on buying the biggest heatsink possible. But my case is a server case with front to back airflow... this heatsink is for bottom to top. I'm so used to AIO coolers that I forgot to check this.

Now I'm wondering what to do. This heatsink was meant to be temporary anyway, before better solutions come up. Should I use it anyway, as is, or should I buy the other one like this https://www.aliexpress.us/item/1005...yZEd&_randl_shipto=CA&gatewayAdapt=4itemAdapt
 

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yottabit

Golden Member
Jun 5, 2008
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Never considered you could buy an open tray cpu like this for such a discount, on Ebay no less. Do you think buyer protection would actually protect if for some reason if it was DOA?
 

Markfw

Moderator Emeritus, Elite Member
May 16, 2002
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Never considered you could buy an open tray cpu like this for such a discount, on Ebay no less. Do you think buyer protection would actually protect if for some reason if it was DOA?
ebay has those protections. Never had to use that, but the first CPU I got was vendor locked, so essentially DOA,, and I got my money hack easily and quickly. The second had the sleeve on backwards, so it was also essentially DOA. I started a return, but figured it out before I had to return it. You have never used ebay or read the rules ?
 
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Markfw

Moderator Emeritus, Elite Member
May 16, 2002
26,389
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OK, heat sink number 2 came today, the one I really want comes Monday. Below are PICS. So the first has an 80mm fan that runs up to 10,000 rpm and is like a jet engine. I had to take it off, as it was too loud. Number 2 as you can see, the cooling fins are about the same size, but a 92mm fan (no idea on the RPM). The third is the NHu-14S for a EPYC Rome/Milan, and thats what I want, and the one Monday is supposed to be similar. I think I will wait till monday to put it on, this one does not look like much of an improvement.
 

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Markfw

Moderator Emeritus, Elite Member
May 16, 2002
26,389
15,513
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@Markfw Just got the Heatsink.

And now I feel like an idiot. I was so focused on buying the biggest heatsink possible. But my case is a server case with front to back airflow... this heatsink is for bottom to top. I'm so used to AIO coolers that I forgot to check this.

Now I'm wondering what to do. This heatsink was meant to be temporary anyway, before better solutions come up. Should I use it anyway, as is, or should I buy the other one like this https://www.aliexpress.us/item/1005...yZEd&_randl_shipto=CA&gatewayAdapt=4itemAdapt
Mine is back to front also, but the case side will be open, and the top is just a screen for me. You can leave the side cover off, and it might work OK, I think mine will.

Edit: just so you know, all EPYC's that I have are top to bottom> See pic below:
 

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Markfw

Moderator Emeritus, Elite Member
May 16, 2002
26,389
15,513
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OK, so I got a new HSF for the 9654, just a LITTLE quieter. And I now have a 9554 64 core Genoa coming next week, same motherboard and memory as the 9654.
 
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