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mike155
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PostPosted: Thu Oct 08, 2020 5:45 pm    Post subject: AMD's new ZEN 3 processors Reply with quote

AMD introduced the new ZEN 3 processors today. They claim that they will ‘The World’s Best Gaming CPUs’: https://www.anandtech.com/show/16148/amd-ryzen-5000-and-zen-3-on-nov-5th-19-ipc-claims-best-gaming-cpu

Will they also be the best CPUs for Gentoo machines?
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asturm
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PostPosted: Thu Oct 08, 2020 5:56 pm    Post subject: Reply with quote

Anything else would be a regression over Zen2.
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Ant P.
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PostPosted: Fri Oct 09, 2020 8:54 am    Post subject: Reply with quote

Depends on if they've fixed BMI2's embarrassing performance, if they'll stop playing musical chairs with sensor driver blacklists, if they'll rein in mobo OEMs to stop putting out awful firmware so the crypto coprocessor driver works reliably.

Throwing shit over the wall works fine for windows users, who think things not working are the normal state of computers. We expect better and we know when vendors lie.
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NeddySeagoon
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PostPosted: Fri Oct 09, 2020 10:54 am    Post subject: Reply with quote

mike155,

As long as early Zen3 CPUs are better than early Zen 1.

I won't be an early adopter but I thank all those who have their Zen 3 systems fully installed by 6 November, so its safe for me in the New Year :)
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Banana
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PostPosted: Fri Oct 09, 2020 12:10 pm    Post subject: Reply with quote

I'm still blown away that AMD can compete against Intel and/or Nvidia. Finally some competition ;-)
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Tony0945
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PostPosted: Fri Oct 09, 2020 2:48 pm    Post subject: Reply with quote

NeddySeagoon wrote:
I won't be an early adopter but I thank all those who have their Zen 3 systems fully installed by 6 November, so its safe for me in the New Year :)

Yesterday i saw a 40% price reduction on the 2700X, so vendors must be getting delivery promises from AMD.
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bammbamm808
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PostPosted: Sat Oct 10, 2020 7:13 pm    Post subject: Reply with quote

What a great time to be a computer enthusiast. I'm still very happy with my 2700x. It will serve me well for a few years, at least.
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dmpogo
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PostPosted: Sun Oct 11, 2020 12:15 am    Post subject: Reply with quote

Banana wrote:
I'm still blown away that AMD can compete against Intel and/or Nvidia. Finally some competition ;-)



Well, we have been there circa 2005
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Ant P.
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PostPosted: Sun Oct 11, 2020 10:12 am    Post subject: Reply with quote

Yeah, Intel only survived the embarrassment of the Pentium 4 through sheer underhandedness and bribing the likes of Dell (in much the same way Microsoft did).
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nikolis
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PostPosted: Wed Dec 30, 2020 5:09 pm    Post subject: Reply with quote

My christmas present has arrived.
Zen3
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Shinryuu
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PostPosted: Sun Jan 03, 2021 5:40 pm    Post subject: Reply with quote

I've been eagerly waiting for GCC11 to mature enough so I can use znver3 optimizations while building things 8)

Linux information seems to be quite hidden for new Ryzens but I know that 5.10 kernel can at least read CPU temps for now.

I was an early adopter because I needed a new PC. I built it around November and I didn't even know I bought 5600X just when it got released. I didn't go with more expensive options. I was reading about Ryzen CPUs and tried to find recommendations and pulled the trigger. I have used Intel for decades, i5-6500 on previous PC and i7-4810mq on T440p. Both have had Gentoo installed at some point.
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nikolis
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PostPosted: Sun Jan 17, 2021 5:57 pm    Post subject: Reply with quote

My new zen3

Sun Jan 17 15:34:22 2021 >>> www-client/firefox-78.6.1
merge time: 10 minutes and 40 seconds.

Sun Jan 17 15:22:57 2021 >>> sys-devel/clang-11.0.0
merge time: 10 minutes and 26 seconds.

Wed Jan 13 16:55:49 2021 >>> sys-devel/llvm-11.0.0
merge time: 4 minutes and 36 seconds.

Sun Jan 17 16:08:30 2021 >>> sys-devel/gcc-9.3.0-r2
merge time: 18 minutes and 48 seconds.

Sun Jan 17 16:35:01 2021 >>> app-office/libreoffice-6.4.7.2
merge time: 13 minutes and 55 seconds.
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Tony0945
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PostPosted: Sun Jan 17, 2021 8:56 pm    Post subject: Reply with quote

awesone!
my 2700X

Code:
 ~ $ genlop -t gcc
 * sys-devel/gcc

     Sun Sep 20 13:10:57 2020 >>> sys-devel/gcc-9.3.0-r1
       merge time: 35 minutes and 30 seconds.

     Sun Sep 20 13:41:03 2020 >>> sys-devel/gcc-8.4.0-r1
       merge time: 30 minutes and 6 seconds.

     Mon Dec 28 14:23:37 2020 >>> sys-devel/gcc-9.3.0-r2
       merge time: 34 minutes and 23 seconds.

tony@MSI ~ $ genlop -t llvm
 * sys-devel/llvm

     Sun Sep 13 00:32:50 2020 >>> sys-devel/llvm-10.0.0
       merge time: 22 minutes and 46 seconds.

     Sat Sep 26 23:11:09 2020 >>> sys-devel/llvm-10.0.0
       merge time: 23 minutes and 26 seconds.

     Wed Dec  9 19:42:02 2020 >>> sys-devel/llvm-11.0.0
       merge time: 22 minutes and 8 seconds.
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nikolis
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PostPosted: Sun Jan 17, 2021 9:05 pm    Post subject: Reply with quote

Excellent Tony !
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ritzmax72
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PostPosted: Thu Jan 21, 2021 5:11 pm    Post subject: Reply with quote

I am noob so pls bear with me.
I have 3950x.
I don't know what wrong I am doing, but I cannot put -j32 MAKEOPTS or even -j16 along with my 32 GiB RAM.
The CPU get heated and shutdowns while compiling.
I even removed -pipe and removed ccahe. Well, with these chromium passed but took like 3 hours.

Another issue was with dev-lang/rust.
I never compiles. The CPU heats up and shutdown. This happened during installation of Gentoo itself.
Finally I had to use dev-lang/rust-bin.

How long does is take for you guys to build chromium?

Code:
2021-01-19T20:57:51 >>> www-client/chromium: 3:05:45
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NeddySeagoon
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PostPosted: Thu Jan 21, 2021 5:39 pm    Post subject: Reply with quote

ritzmax72,

There is something wrong with your cooling system.
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nikolis
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PostPosted: Thu Jan 21, 2021 6:26 pm    Post subject: Reply with quote

ritzmax72,

Check your vcore, precision boost overdrive, cooling system. Ιf you use windows, install ryzen master to check temperature, ppt, cpu power, soc power, tdc (cpu), edc (cpu).
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shimbob
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PostPosted: Fri Jan 22, 2021 2:45 am    Post subject: Reply with quote

I'm in the same boat with my 3900X, emerging chromium results in a reboot. Since this morning I've tried with -J24, -J8, -J6, and each crashed. Now trying -J1 because why not.
I get MCE errors in dmesg upon the next boot.
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mike155
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PostPosted: Fri Jan 22, 2021 4:04 am    Post subject: Reply with quote

Do you have the latest BIOS version for your mainboard? If not, consider upgrading your BIOS.
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OldTango
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PostPosted: Sat Jan 23, 2021 11:33 pm    Post subject: Reply with quote

I run a Threadripper 1950X Gentoo workstation with 128G of ram. I aslo game on this system and it performs extremely well.
I also run a Ryzen7 2700X Gentoo home server with 32G of ram.

It's interesting to me that the Ryzen7 2700X out performs the Threadripper 1950X by quite a bit when compiling packages during system updates. I am getting ready to replace my Threadripper system with the New Ryzen9 5950X as soon as I can acquire one.

ritzmax72 wrote:
I am noob so pls bear with me.
I have 3950x.

Another issue was with dev-lang/rust.
I never compiles. The CPU heats up and shutdown. This happened during installation of Gentoo itself.
Finally I had to use dev-lang/rust-bin.


As NeddySeagoon has said there is something wrong with your cooling. Whatever your using to cool the CPU is not doing it's job or you haven't properly applied the thermo compound.

The other possibility is that the motherboard thermo threshold setting's that protect the processor are set to low by default. This was the case for me on one of my early Ryzen systems and increasing the setting stopped the issue. However a later bios update solved the problem as well. You may want to look at this option just to verify the bios is setting a reasonable thermo setting for your CPU. If it is not than a bios update may solve it. I would not expect to even see this issue anymore on newer hardware.

I cool my Ryzen7 2700X with a Corsair 240 AIO and it works just fine.

I also have a Ryzen9 3950X WIN 10 system with 64G of ram that I cool with a Corsair 280 AIO and it also works just fine. I have also effectively cooled this CPU using the AMD Heat Sink and Fan assembly that came packaged with some of the Ryzen7 2700X CPU's, but was to noisy for my tastes.

BTW: Using a Ryzen9 3950X with 64G of ram for a WIN 10 system is like using a shotgun to hunt mice.

Best Tango..... :)
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OldTango
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PostPosted: Sun Jan 24, 2021 12:02 am    Post subject: Reply with quote

For Tony0945

My Threadripper 1950X

Code:
genlop -t gcc
 * sys-devel/gcc

    Wed Apr 29 10:24:48 2020 >>> sys-devel/gcc-9.3.0
       merge time: 28 minutes and 41 seconds.

     Sat Jul 18 16:44:36 2020 >>> sys-devel/gcc-9.3.0-r1
       merge time: 34 minutes and 33 seconds.

     Sun Dec 20 11:32:51 2020 >>> sys-devel/gcc-9.3.0-r2
       merge time: 31 minutes and 17 seconds.

genlop -t llvm
 * sys-devel/llvm

     Sat Jul 18 17:15:09 2020 >>> sys-devel/llvm-10.0.0
       merge time: 22 minutes and 45 seconds.

     Fri Sep 25 18:14:19 2020 >>> sys-devel/llvm-10.0.1
       merge time: 21 minutes and 7 seconds.

     Mon Nov 30 18:02:03 2020 >>> sys-devel/llvm-11.0.0
       merge time: 15 minutes and 15 seconds.


The Ryzen7 2700X is a beast.

Best Tango..... :wink:
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Tony0945
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PostPosted: Sun Jan 24, 2021 4:11 am    Post subject: Reply with quote

OldTango wrote:
I cool my Ryzen7 2700X with a Corsair 240 AIO and it works just fine.

I cool mine with the stock cooler, also works fine. BIG cooler. No noise that I noted. I had to go into the BIOS fan control. It ramped up too slowly, probably because so many people complain about fan noise. The only noisy fan I have is the front case fan. I usually leave the machine on all the time because from a full cold start it shreiks and moans for a nearly ten minutes. Fan is at least nine years old. I'd replace it but can't find instructions for removing the plastic fron panel. It's between the metal case and the plastic panel. I found someone on reddit saying to just slip a screwdriver blade between the two and heave, but I'm afraid of breaking the panel. no sort of latch that I can see.
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crocket
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PostPosted: Sun Jan 24, 2021 6:10 am    Post subject: Reply with quote

But, AMD CPUs have spyware called AMD Secure Processor which NSA and other intelligence agencies use to spy on people.

Intel CPUs have Intel Management Engine which is similar to AMD Secure Processor.
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OldTango
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PostPosted: Sun Jan 24, 2021 8:03 am    Post subject: Reply with quote

Tony0945 wrote:
I'd replace it but can't find instructions for removing the plastic fron panel. It's between the metal case and the plastic panel. I found someone on reddit saying to just slip a screwdriver blade between the two and heave, but I'm afraid of breaking the panel. no sort of latch that I can see.
What kind of case is it maybe I have run across one in the past and may have some insight has to how it is done.

Best Tango..... :)
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Anon-E-moose
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PostPosted: Sun Jan 24, 2021 10:41 am    Post subject: Reply with quote

Front panel of computer cases usually pop off, just pry off (gently), they usually have plastic tabs that will hold it in place, which is why the gentle remove.
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