Discussion Zen 5 Builders thread

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Can complete pretty much all benchmark @ golden ratio 8800/2200 CL32 (8844/2211), but karhu will fail it after awhile, so the promised land is still alittle out of reach for fully stable daily settings atm
CL32 seems pretty low and ambitious for 8800. Why not relax it up to CL38 for stability?
 

Det0x

Golden Member
Sep 11, 2014
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CL32 seems pretty low and ambitious for 8800. Why not relax it up to CL38 for stability?
If i run CL32 or CL50 dont really matter, IMC on the cpu is the limting factor, not the memory

But for those interested in how much there is to gain from going "synced" (mostly get lower latency compared to 8744MT/s quoted above)
Some benchmarks at golden ratio 8800/2200 (actually 8844/2211 since 100.5mhz baseclock)
  • 9950X3D with core tuning = legacy running PBO
  • ROG CROSSHAIR X870E APEX @ baseclock 100.5mhz
  • G.SKILL 6000MT/s CL26 @ 1.78VDD 1.55VDDQ cooled by custom heatsinks + 2x60mm noctua fans
  • FCLK @ 2211mhz / memory @ 8844MT/s CL32 (2200 /8800 multipliers with 100.5mhz baseclock)
  • Nitro 1-3-1 with synced tPHYRDL @ 38/38
  • Large custom watercooling with a mora
 
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4 easy installments @ 0% interest and...



Sorry to some poor bloke in the UK. He was too slow to grab this CPU. Saw it on my local Amazon being shipped by Amazon UK and the chances of prices going higher seemed higher so had to bite. Damage = $872

The above screenshot is at FCLK 2133 UCLK 1800 7200C34. It booted at 2200 but Windows installation froze. Then at 2167, everything seemed fine but y-cruncher failed so had to settle for 2133.

2167 7200C60 benchmarks below:






Subjectively, it boots REALLY fast. Mobo is ASROCK B850M RS Pro Wifi.
 
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Compared to the 245KF, installing the AIO on AM5 socket was much, much easier and straightforward, not to mention quicker. With the 245KF, I needed to keep one hand behind the mobo to hold and keep the backplate stable while I screwed from the front. It was challenging, to say the least.
 
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In2Photos

Platinum Member
Mar 21, 2007
2,449
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Compared to the 245KF, installing the AIO on AM5 socket was much, much easier and straightforward, not to mention quicker. With the 245KF, I needed to keep one hand behind the mobo to hold and keep the backplate stable while I screwed from the front. It was challenging, to say the least.
Tape is your friend in situations like these! Put some on the backplate to keep it from moving while attaching the AIO. Remove it when finished.
 
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Markfw

Moderator Emeritus, Elite Member
May 16, 2002
27,006
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Tape is your friend in situations like these! Put some on the backplate to keep it from moving while attaching the AIO. Remove it when finished.
using some anti-static foam or bubble wrap as a spacer to the case is better. tape can leave residuals or take or damage some of the motherboard traces when you remove it.
 
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On my particular 9950X3D sample, I'm getting fixed 5.35 GHz (task manager) frequency on the cache CCD and 5.34 GHz on the frequency CCD, in an LLM workload that pegs the CCD utilization at almost 94%.

Anyone with good Ryzen tuning experience wanna chime in on how I can persuade the frequency CCD to hit close to 5.6 or even 5.7 GHz?
 
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Having a good day today. Curve offset at -37 and my system is happily crunching away in LM Studio at fixed 5.35 GHz 6200C34 with FCLK 2133/UCLK 3100.


I really like how easy it is to tune using Ryzen Master. Unlike XTU, it sets a global setting and overrides the BIOS ones. If the Ryzen Master settings turn out to be unstable and fail to load Windows, you can boot into BIOS and change any setting to tell the mobo to override the Ryzen Master settings and you get your Windows back. I had some serious and scary BSODs but so far, have avoided trashing my Windows installation completely so that's been awesome. I really love the convenience of not having to go into BIOS to tweak and tune.

Somewhat unhappy to report that V-cache does not improve performance in LM Studio

Pinned to V-cache CCD @ 5.35 GHz: 1.47 tokens/sec

Pinned to Freq CCD @ 5.34 GHz: 1.46 tokens/sec
 
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Makaveli

Diamond Member
Feb 8, 2002
4,925
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Somewhat unhappy to report that V-cache does not improve performance in LM Studio

Pinned to V-cache CCD @ 5.35 GHz: 1.47 tokens/sec

Pinned to Freq CCD @ 5.34 GHz: 1.46 tokens/sec

If shouldn't the only way to improve performance is with gpu.

using the processor for anything in LM studio is slow including Epyc processors.

It looks like you recorded this with a cell phone?

Does that intel gpu not allow you to record video?
 
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Does that intel gpu not allow you to record video?
I was having some internet issues (PC was out of wifi range. now fixed with USB extension cable) so decided not to use the Snipping tool (would've had to use flash drive to transfer to laptop that is working fine with internet).

I tried with the ARC A770 GPU. Unfortunately, it's slower than the CPU. The only advantage seems to be to use the GPU memory to load a larger model in case your system RAM is insufficient. But I suspect LM Studio is badly optimized for any non-Nvidia GPU. It doesn't even support AVX-512 which I can see llama.cpp supports. LM Studio uses the llama.cpp runtime but I think it's using AVX2 build only.
 

MS_AT

Senior member
Jul 15, 2024
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I'm getting fixed 5.35 GHz (task manager) frequency on the cache CCD and 5.34 GHz on the frequency CCD, in an LLM workload that pegs the CCD utilization at almost 94%.
Task manager is less than ideal for this. It will show you high utilization even though the cores are waiting for memory. As it the case here, so the frequency is high.
Anyone with good Ryzen tuning experience wanna chime in on how I can persuade the frequency CCD to hit close to 5.6 or even 5.7 GHz?
I am no overclocker but you should first fix your cooling, then tweak current / power limits. But if you are interested in just seeing 5.7 GHz, just write a program to run a series of no_ops

Somewhat unhappy to report that V-cache does not improve performance in LM Studio
You are looking at token generation which is bottlenecked by memory bandwidth as it is a streaming workload. L3 won't help much.

And you should get few percent higher score if you split the load to both CCDs to maximize memory bandwidth.

The only advantage seems to be to use the GPU memory to load a larger model in case your system RAM is insufficient.
That sounds completly opposite to how it should be Read around llama.cpp github, they should have hints there how to properly split the workload between cpu/gpu. Unfortunately I don't have any links at hand to share.
 
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I am no overclocker but you should first fix your cooling, then tweak current / power limits. But if you are interested in just seeing 5.7 GHz, just write a program to run a series of no_ops
Cooling fixed already (as much as I could). It's no longer being annoyingly loud. I guess it was the pump complaining because it likes being on top

It's a mATX case so putting it on top was out of the question (no space). So got a movable case trolley for ~$10, put the case on its behind on that and now the AIO cooler is happy. Going to post more benchmarks soon. I'm up to 1.77 tokens/second (it should be higher in less demanding models. I'm using the 73B Athene V2 Chat). Previous best was 1.73 and it fluctuated a lot. I guess this will have to do because I don't want a bigger case and don't want to spend extra until I can get a great deal on sub-ambient cooling
 

Sonikku

Lifer
Jun 23, 2005
15,862
4,824
136
My mother's aging g4560 socket 1151 system has been having problems for a long time now and is even blue screening after a fresh windows 10 install. It can't upgrade to windows 11 either in October, so it's probably time to get a replacement.
How is this motherboard? It comes with free ram for a pretty low price. https://www.newegg.com/gigabyte-b65...50-am5/p/N82E16813145502?Item=N82E16813145502

The 9600x is also historically cheap on amazon atm.
 
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How is this motherboard?
Should be OK for a non-demanding user. My latest Gigabyte (Z890 Ice) seems to be issue free. The BIOS looks like a work in progress but that should be a non-issue unless you want to give your mom a tweaked to the gills config instead of a stable stock config.
 

Paratus

Lifer
Jun 4, 2004
17,428
15,307
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Looks like I’ll be a 9000 series builder. Don’t feel like futzing around with Microsoft’s will they won’t they, ok maybe sort of but not really support of my current Threadripper 2950X on Win11. Wanted to buy something before tariffs potentially kick in.

I went looking for an X3D chip and settled on the 9900X3D for $579 at my local Microcenter (also found out we now have a Microcenter 45 minutes away).

I’d have preferred a 9800X3D but can’t find them from anywhere reputable for less than $100 or more over list price.

A 9950X3D would have been better too but also hard to find at anything less than several $100 over list price.

Since the computer is mainly used these days for office work, cad/3d printing, photos and some occasional gaming I don’t think the compromises a 9900X3D has will be to hard to accept especially coming from a Zen+ cpu.

The rest of the build:

  • MOBO: MSI X870E Tomahawk board for $299,
  • RAM: Corsair Vengence DDR 6000 2x16GB CL30 $129
  • Cooler: Thermalright Peerless Assassin 120n~$50
  • BootDrive: SK Hynix Platinum 2TB 4x4 NVME $149 + assorted NVMEs, SSDs and HDs from the current build
  • GPU: 7900XT from current build
  • PSU Corsair 850W from current build.
  • Case: Thermaltake case from current build.
Any glaring issues or problems with this build?
 
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  • MOBO: MSI X870E Tomahawk board for $299,
  • RAM: Corsair Vengence DDR 6000 2x16GB CL30 $129
  • Cooler: Thermalright Peerless Assassin 120n~$50
  • BootDrive: SK Hynix Platinum 2TB 4x4 NVME $149 + assorted NVMEs, SSDs and HDs from the current build
  • GPU: 7900XT from current build
  • PSU Corsair 850W from current build.
  • Case: Thermaltake case from current build.
Any glaring issues or problems with this build?
There's much better RAM available. CL26 and CL28. Also, for dual CCDs, I have noticed that even 7200C36 with UCLK 1800 on my 9950X3D saw performance increase. I have a Teamgroup 48GB kit and I would recommend the same.


It will not work at EXPO/XMP but manual tuning will get you to 7200C34 easy, at its rated voltage. May go higher with more volts but you probably wouldn't want to do that.

SK Hynix has issues: http://www.portvapes.co.uk/?id=Latest-exam-1Z0-876-Dumps&exid=thread...-2tb-ssd-write-speed-dropped-by-half.2610542/
 

Paratus

Lifer
Jun 4, 2004
17,428
15,307
146
There's much better RAM available. CL26 and CL28. Also, for dual CCDs, I have noticed that even 7200C36 with UCLK 1800 on my 9950X3D saw performance increase. I have a Teamgroup 48GB kit and I would recommend the same.


It will not work at EXPO/XMP but manual tuning will get you to 7200C34 easy, at its rated voltage. May go higher with more volts but you probably wouldn't want to do that.

SK Hynix has issues: http://www.portvapes.co.uk/?id=Latest-exam-1Z0-876-Dumps&exid=thread...-2tb-ssd-write-speed-dropped-by-half.2610542/
I see that there’s a firmware update for the drive. Wonder if that finally fixes it or do I need to make a 90 minute round trip to swap the drive for a Samsung.
 
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I see that there’s a firmware update for the drive. Wonder if that finally fixes it or do I need to make a 90 minute round trip to swap the drive for a Samsung.
No one has chimed in with anything negative in a while since the update but I think not many people here have this drive and those that do, even fewer would be running CrystalDiskMark on it periodically. I personally don't run CDM anymore after I saw it resulted in about 40GB of writes when selecting the 4GB file size and running all tests.


A few posts down, my firmware link is still active if you want to download it faster. So far no one has reported data loss I think, even before the firmware update was available.

I would go with WD based on this user's extensive SSD experience in his job: http://www.portvapes.co.uk/?id=Latest-exam-1Z0-876-Dumps&exid=thread...e-speed-dropped-by-half.2610542/post-41432436
 

Hail The Brain Slug

Diamond Member
Oct 10, 2005
3,747
3,039
146
No one has chimed in with anything negative in a while since the update but I think not many people here have this drive and those that do, even fewer would be running CrystalDiskMark on it periodically. I personally don't run CDM anymore after I saw it resulted in about 40GB of writes when selecting the 4GB file size and running all tests.


A few posts down, my firmware link is still active if you want to download it faster. So far no one has reported data loss I think, even before the firmware update was available.

I would go with WD based on this user's extensive SSD experience in his job: http://www.portvapes.co.uk/?id=Latest-exam-1Z0-876-Dumps&exid=thread...e-speed-dropped-by-half.2610542/post-41432436
I have 2x4TB SN850X and 1x4TB 990 Pro in my workstation and I cant say anything bad about either. Buy whichever one is cheaper IMO.
 
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