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AMD Ryzen Threadripper Owners Club - 1950X | 1920X | 1900X - Page 127

post #1261 of 2389
Thread Starter 
For the record folks, "real" is very imprecise and sort of misleading terminology when referring to execution paths on an SMT enabled processor. Each physical core presents as two (or more) logical cores, and all of those logical cores for any given physical core (which we usually refer to as threads) are completely equal to each other. They all just feed the pipeline in that particular core.
post #1262 of 2389
Quote:
Originally Posted by Particle View Post

Each physical core presents as two (or more) logical cores

 

Care to elaborate on "more"?

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post #1263 of 2389
post #1264 of 2389
Thread Starter 
Quote:
Originally Posted by Aenra View Post

Care to elaborate on "more"?

SMT designs don't have to be two-way. It's just a duplication of front ends on cores that work to cooperatively keep the pipeline as full as possible. Three or four is just as valid as two. Some big iron designs use more. The POWER8 for instance features 8 threads per core.
post #1265 of 2389
ok just a quick follow up on nvme drives.
got a whole pile of watercooling gear but daughters new baby is here so i have been shoved downstairs so cooling will have to wait a little smile.gif
but did get the EK nvme heat sink and managed to wrangle that on.

before




after (also please note the drive 2 temps did actually hit 82 at what stage in i thinks atto234 but i reset hwinfo)




as you can see a bit of performance gained and temps dropped quite a bit...23 degrees on drive 2 to be exact so well worth the 18 bucks i think smile.gif
post #1266 of 2389
@Particle

+rep smile.gif .

Thank you for info in real / SMT smile.gif . I guess where I read info about this was essentially dumbed down to make sense to how people commonly refer to this aspect smile.gif . I shall endeavor to improve my method of post when discussing this aspect smile.gif .
Quote:
Originally Posted by tarot View Post

here you go mine seems lower but again you do not seem to be going past 50 degrees whereas i am.... so yeah i,m still guessing its a temperature thing.


+rep for taking time to test and share thumb.gif .

Your temps are pretty much the same as mine smile.gif . For that instance in time, when you took the screenie your tDIE is ~54.6C for node 0, node 1 is not in screenshot.

I was at ~55C smile.gif .



What we must be seeing is core variance on clockability. I did test each core separately I'll try and find that data or repeat test it. Be interesting to see your test data when you have time smile.gif .
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The Stilt Machine
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post #1267 of 2389
Hi, I want to build a new system on the TR4 platform instead of the old AM3 + (FX-8350). The choice fell on the 1900X processor.

I need advice on which motherboard to choose, as well as RAM.

At the moment I'm leaning towards Gigabyte Aorus X399 Gaming 7, is it good?

And there are questions about RAM. As I understand one of the best for Ryzen is GSkill? And what is the optimal frequency? 3200, 3600?

I would like to hear your opinions and advice.
post #1268 of 2389
Thread Starter 
Quote:
Originally Posted by Z-O-M-B-I-E View Post

Hi, I want to build a new system on the TR4 platform instead of the old AM3 + (FX-8350). The choice fell on the 1900X processor.

I need advice on which motherboard to choose, as well as RAM.

At the moment I'm leaning towards Gigabyte Aorus X399 Gaming 7, is it good?

And there are questions about RAM. As I understand one of the best for Ryzen is GSkill? And what is the optimal frequency? 3200, 3600?

I would like to hear your opinions and advice.

Anything based on Samsung K4A8G085WB chips should work nicely. Commonly referred to as "B die" for the last digit in that model number. There is a list here. Ymmv with regards to stable memory frequencies, and I understand that the benefit trails off after the 3200 speed grade. It's up to you for how much cost that last few percent is worth to you. I've not heard much on that particular motherboard, so I can't comment with respect to that component.
post #1269 of 2389
@Z-O-M-B-I-E

If you can find F4-3600C15D-16GTZ that is the best bin IMO. Next best is F4-3200C14D-16GTZ. These are 2x 8GB kits, single rank and sided and Samsung B die, what Ryzen/ThreadRipper favors.

This thread has IC info. From member shares and info from The Stilt, on Ryzen/ThreadRipper 4x 8GB SR SS can be easier to tame for higher speed / tweaks than dual rank / double sided RAM 16GB dimms.

Again YMMV which ever way you roll, but best bet is 1st highlighted.

Like Particle said after 3200MHz 'data fabric' bottle neck has been solved and latency comes into play. The Stilt and Chew have shown data to support this, AMD also has an article on community site.

The Stilt's data is in OP of the Ryzen thread in my signature, Is RAM MHz King? section. I have to add Chew data, this can be found in Ryzen owners thread.
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The Stilt Machine
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XPS - i5 4690K
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Ryzen 7 1700 Asus Crosshair VI Hero Sapphire Fury X@1145/545 G.Skill Trident Z 2x 8GB 3200MHz C14 
Hard DriveCoolingCoolingCooling
Samsung Evo 840 ThermalRight Archon IB-E X2 + 2x TY143 ThermalRight TY-143 2x front case intake Arctic Cooling F12 + 2x F9 as rear case exhaust 
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Win 7 Pro x64 / Win 10 Pro x64 Asus MG279Q Cherry MX-Board 3.0 Cooler Master V850 
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SilverStone TJ06 Logitech G700S 
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i5 4690K@4.9GHz 1.255V Asus Maximus VII Ranger Sapphire Fury X@1145/545 HyperX Savage 2x8GB 2400MHz C11 
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KeyboardPowerCaseMouse
Cherry MX-Board 3.0 Cooler Master V850 SilverStone TJ06 Logitech G700S 
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Intel Q6600 G0 Asus P5K Premium Black Pearl Sapphire Toxic HD5850 Corsair Dominator 4GB 
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post #1270 of 2389
Quote:
Originally Posted by tarot View Post
 
Quote:
Originally Posted by Particle View Post

Interesting result that it doesn't have an issue for you. For the record though, a 1950X should take mid-20s, so a 1700X owner claiming essentially the same is unlikely to be giving an accurate account.

sorry is that the gooseberry blender one...evil bastard...my best was 23 minutes i think its up here somewhere BUT i need to kill my blender installa nd run the 2.79 version form the folder/open the demo and run it that way (same for the other blenders as well)

also in other news 3dmark sucks smile.gif
it updated and screwed me up what i thought was a cpu issue with a lockup was it's stupide system info crashing and that was because it could not update to the new one and thought it was the old one so i had to go through a backup get the old msi file to uninstall and reinstall (works now though) so yet again software makes me doubt my cpu....stupid 3dmark.

oh and as for the CHEW challenge i threw up a gauntlet on another forum see how many psychos are out there ready for waterboarding the cpu smile.gif

If you install 3dmark and then install the 3dmark VR benchmark afterwards, it seems to screw things up with sysinfo. you can uninstall sysinfo and then reinstall using the msi file in the application directory and that can often fix the problem.

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