Threadripper BUILDERS thread

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ddogg

Golden Member
May 4, 2005
1,864
361
136
It is definitely 10th when the embargo lifts. Paul's hardware mentioned it in his latest TR preview video
 
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ajc9988

Senior member
Apr 1, 2015
278
171
116
you could be right I don't know... there's a lot of dates flying around at the moment in regards to AMD products
So, 27th was Vega info, then siggraph info, August 10th is embargo date and TR on sale, August 14th is Vega sale and embargo date, August 31st is the 1900X release date. Hope that straightens it out for you.

Also, the Asrock site lists three compatible CPUs: 1950X, 1920X, and a 1920.
 

EXCellR8

Diamond Member
Sep 1, 2010
3,982
839
136
it could probably be done... all the critical CPU components are toward the top. I'd just be concerned about heat from the power delivery and socket itself with the NB. probably some serious heat for that little PCB. no need for fancy debug, dual BIOS, more than two USB3 controllers or more than 1 PCIe x16 slot.

sounds like a job for Jetway!!
 

ddogg

Golden Member
May 4, 2005
1,864
361
136
Posted in the other TR thread by mistake instead of here.
According to JayzTwoCents latest video, EK will have waterblocks ready on day 1. Not sure about monoblocks but at the minimum CPU blocks will be available. Good news for us watercooling folks
 

CraptacularOne

Senior member
Jan 12, 2009
327
121
116
I'm contemplating building a Threadripper rig but at the same time my Ryzen 7 1700 build is still plenty for what I'm doing with my PC.....but that itch is getting harder and harder to ignore......
 
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ddogg

Golden Member
May 4, 2005
1,864
361
136
Yup. Just a few months ago, it cost someone $999 to get an 8 core desktop CPU that was incrementally better than the previous chip it replaced. The landscape has definitely changed and in a good way!
 

BradC

Junior Member
Apr 24, 2017
19
15
81
When is this occurring? I thought this was sorted w/ the latest AGESA bios update...

This is a terribly annoying bug that does not seem to affect general day to day use if you run Windows. It does however cause issues if you compile large codebases or perform frequent compilations (which is the sort of use case you might imagine a Threadripper used for). There are a number of places this is documented, however the most authoritative source might be AMDs own forum.
https://community.amd.com/thread/215773
https://community.amd.com/thread/215773

I don't want to make a big deal of it, but there doesn't seem to be a general awareness of this issue outside of people using a *nix variant. It has been reproduced on Windows using the "Windows Subsystem for Linux" and also in a VM, so it's certainly not a Linux specific issue as some would seem to believe (first really identified on a BSD variant anyway). If can affect random processes on a rare but day to day basis, but is most easily reproduced using either the programs built especially to reproduce the fault, or just building large codebases (a real-life use case that bit me in early May).

So I raised it here in a legitimate complaint that I'd *really* love to buy one of these setups, but as I can't even get a Ryzen stable (with AMDs help) for my specific stability testing I'm loathe to even contemplate putting a couple of extra grand down on what would normally be a very compelling purchase.

We're (the people who this bug affects in the AMD forum) all hoping AMD gets it sorted, and would dearly love anyone who buys one of these things to run some tests on it to demonstrate they have got these issues sorted. Until now, people have been disabling SMT, turning up voltages (at AMDs request), playing with kernel options to disable features like address space randomization to mixed success (usually it just makes the bug harder to hit and after 24 odd hours of testing it usually only bites about 30 seconds after the tester posts a "it worked, my problems are solved" message to the forum. The only thing that seemingly consistently makes it go away is disabling the OpCache, but very few BIOS seem to expose that option at the moment (like mine).

Anyway, I'll go back to lurking now and wait until this gets positively sorted before dropping > $2200 for another chip & motherboard. The Asus Prime X370 & 1800X that sits idle in the corner is punishment enough.
 

FiLeZz

Diamond Member
Jun 16, 2000
4,778
47
91

ub4ty

Senior member
Jun 21, 2017
749
898
96
This is a terribly annoying bug that does not seem to affect general day to day use if you run Windows. It does however cause issues if you compile large codebases or perform frequent compilations (which is the sort of use case you might imagine a Threadripper used for). There are a number of places this is documented, however the most authoritative source might be AMDs own forum.
https://community.amd.com/thread/215773

I don't want to make a big deal of it, but there doesn't seem to be a general awareness of this issue outside of people using a *nix variant. It has been reproduced on Windows using the "Windows Subsystem for Linux" and also in a VM, so it's certainly not a Linux specific issue as some would seem to believe (first really identified on a BSD variant anyway). If can affect random processes on a rare but day to day basis, but is most easily reproduced using either the programs built especially to reproduce the fault, or just building large codebases (a real-life use case that bit me in early May).

So I raised it here in a legitimate complaint that I'd *really* love to buy one of these setups, but as I can't even get a Ryzen stable (with AMDs help) for my specific stability testing I'm loathe to even contemplate putting a couple of extra grand down on what would normally be a very compelling purchase.

We're (the people who this bug affects in the AMD forum) all hoping AMD gets it sorted, and would dearly love anyone who buys one of these things to run some tests on it to demonstrate they have got these issues sorted. Until now, people have been disabling SMT, turning up voltages (at AMDs request), playing with kernel options to disable features like address space randomization to mixed success (usually it just makes the bug harder to hit and after 24 odd hours of testing it usually only bites about 30 seconds after the tester posts a "it worked, my problems are solved" message to the forum. The only thing that seemingly consistently makes it go away is disabling the OpCache, but very few BIOS seem to expose that option at the moment (like mine).

Anyway, I'll go back to lurking now and wait until this gets positively sorted before dropping > $2200 for another chip & motherboard. The Asus Prime X370 & 1800X that sits idle in the corner is punishment enough.

I've just proofed my setup (1700 w/ asrock gaming board) using a 4 pass memtest and prime95 run w/o issue. OS : ubuntu 17.04.

I will now run the famed compile test found at :
http://funks.ddns.net:8080/tools/ryzen/testRyzenGCC.sh
and report back

TBH, i have a funny feeling people aren't proofing their setup via stress test/memtest and some instability therein is causing the issue in the compile test.

We'll see shortly if I get a clean pass.
 

StinkyPinky

Diamond Member
Jul 6, 2002
6,832
881
126
Can't believe people are building rigs with 16 core CPU's! Thanks AMD!

Was just about to post the same. Insane computational power. Crazy thing is the individual cores aren't exactly weak cores either, they're pretty damn good all by themselves.

How well does Windows 10 handle 32 threads? PC's with cores of this number would usually be on a server OS
 
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Markfw

Moderator Emeritus, Elite Member
May 16, 2002
25,758
14,785
136
Was just about to post the same. Insane computational power. Crazy thing is the individual cores aren't exactly weak cores either, they're pretty damn good all by themselves.

How well does Windows 10 handle 32 threads? PC's with cores of this number would usually be on a server OS
Well, they do perfectly with 28, so why not 32 ?
 
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EXCellR8

Diamond Member
Sep 1, 2010
3,982
839
136
I really don't see the point. TR was all about more PCI-E lanes and memory channels, and oh, you need more VRM hardware too. So I doubt we'll see one. An ITX Ryzen rig was hard enough.

true... though I was more interested in stuffing an absurd amount of processing power into a tiny chassis. there have been a few ITX designs in the past that have been quite clever, so I still think it could be done despite a few sacrifices. if you ask me there doesn't need to be a point in order for people to want one.
 

thigobr

Senior member
Sep 4, 2016
233
166
116
I've just proofed my setup (1700 w/ asrock gaming board) using a 4 pass memtest and prime95 run w/o issue. OS : ubuntu 17.04.

I will now run the famed compile test found at :
http://funks.ddns.net:8080/tools/ryzen/testRyzenGCC.sh
and report back

TBH, i have a funny feeling people aren't proofing their setup via stress test/memtest and some instability therein is causing the issue in the compile test.

We'll see shortly if I get a clean pass.

I tested both overclocked and completely stock settings and the segfault almost always happens when compiling large codebases (gentoo portage installs). 8+ hrs of prime95 (Windows 10) and about the same using Google stressapptest (Ubuntu 16.04LTS), 2+hrs testing ycruncher (Windows 10)... All passed with flying colors. After reading the topics at the AMD foruns and Gentoo foruns I tried to disable ASLR and it helped, at least for regular system updates (I did not test compilation loops/scripts).
 

ub4ty

Senior member
Jun 21, 2017
749
898
96
I tested both overclocked and completely stock settings and the segfault almost always happens when compiling large codebases (gentoo portage installs). 8+ hrs of prime95 (Windows 10) and about the same using Google stressapptest (Ubuntu 16.04LTS), 2+hrs testing ycruncher (Windows 10)... All passed with flying colors. After reading the topics at the AMD foruns and Gentoo foruns I tried to disable ASLR and it helped, at least for regular system updates (I did not test compilation loops/scripts).
Just hit the Segfault for compilation 1hr 15min into testing...
Ryzen 1700 w/ mild stable OC proofed by prime95 (3hours)
Memory 3200CL14 proofed by 4pass memtest (4hours)

Question :
Does this occur w/ j8 j6? Wondering of ways I can circumvent this problem for the time being...
Is this the only notable instability w.r.t ryzen?

It does give me a pause though w.r.t to threadripper. I'm currently evaluating the platform for my development efforts and need a highly stable system. Thus, this isn't comforting

Meanwhile, I see this :
https://twitter.com/AMDRyzen/status/892429107635421184


Being built into a professional workstation w/ ECC and pushed to obvious stable limits and I understand there has to be stability to do this. Not to mention, I definitely recall looking at several benchmarks including Phoronix in which they did Kernel compile benchmarks and there was no crash :
https://www.phoronix.com/scan.php?page=article&item=ryzen-1800x-linux&num=5
http://openbenchmarking.org/test/pts/build-linux-kernel-1.7.0

So, actually.. what gives with this specific test you guys are pushing around? Is this practical or even what's done in the real world? Why can Phoronix compile a linux kernel from scratch as a benchmark and not have any issues but this test floating around crashes?
 
Last edited:
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EXCellR8

Diamond Member
Sep 1, 2010
3,982
839
136
looks like the Taichi is going to be the top pick once again... and it's the cheapest of the lot.

sure is tempting but I'll watch this round. here's to hoping availability is adequate this time around
 
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SketchMaster

Diamond Member
Feb 23, 2005
3,100
149
116
Tempting to upgrade to TR and sell my 1700+CH6. After upgrading to a camera that can put out 4k @ 10bit I'm starting to find the limits of my Ryzen system.

I will be watching this thread closely...
 
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