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$499 AMD Ryzen 9 3900X Almost as Fast as $2000 Intel Core I9-9980XE

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Re: $499 AMD Ryzen 9 3900X Almost as Fast as $2000 Intel Core I9-9980XE

#41

Out of curiosity, has anybody had anything in the AMD Ryzen instruction set missing that required you to purchase an Intel 9xxx instead? Any significant differences in regards to scientific applications or machine learning?

The mozilla/rr debugger doesn't work on Ryzen CPUs - https://github.com/mozilla/rr/issues/2034

(rr stands for Record and Replay Framework, it's a gdb extension which allows for reverse execution)

Re: $499 AMD Ryzen 9 3900X Almost as Fast as $2000 Intel Core I9-9980XE

#42

Out of curiosity, has anybody had anything in the AMD Ryzen instruction set missing that required you to purchase an Intel 9xxx instead? Any significant differences in regards to scientific applications or machine learning?

I'm considering Intel for my next workstation because I want to be able to run macOS at least in VirtualBox (or just run Hackintosh, did not decide yet). For some reason macOS does not like AMD CPUs.

> For some reason macOS does not like AMD CPUs.

Reddit:"Mojave, now on Ryzen!" https://www.reddit.com/r/hackintosh/comments/a95xlo/mojave_n...

Re: $499 AMD Ryzen 9 3900X Almost as Fast as $2000 Intel Core I9-9980XE

#43
post #8

Earlier quoted context omitted.

Its unlikely and I wouldn't hold your breath. If Apple eventually move to their own CPUs (same as what they use for iPhone/iPad etc) then they'll spend time working on that instead. If it means sticking with Intel for another 2 years or whatever until its ready then its worth it for them. Switching to AMD wouldn't make sense if its only short-term and not in their endgame.

Do you think Apple was "dumb" to "fragment" their OS market even further? I know they are working on getting apps running on iOS + Mac OS by using the same APIs/libraries, but now iPad OS is a third instance of what I'm guessing is mostly the same kernel / libraries?

There were a lot of rumors recently about Apple working on custom desktop ARM CPU. I think that it's very likely that they'll introduce it into their macbooks at least. But powerful Macs is where it'll be really interesting. They recently released Mac Pros. Spending a lot of money on computer that might become kind of obsolete in a few years sounds not very good.

Overall my impression is that Apple does not care about compatibility. They'll just force every software developer to recompile their program with ARM instruction and pack it into installer and if you need some old program, you either out of luck or may be they'll implement some kind of translation (and if performance is bad, it's even better, because that would force software developer to release "optimized" build).

Re: $499 AMD Ryzen 9 3900X Almost as Fast as $2000 Intel Core I9-9980XE

#44

Out of curiosity, has anybody had anything in the AMD Ryzen instruction set missing that required you to purchase an Intel 9xxx instead? Any significant differences in regards to scientific applications or machine learning?

I'm considering Intel for my next workstation because I want to be able to run macOS at least in VirtualBox (or just run Hackintosh, did not decide yet). For some reason macOS does not like AMD CPUs.

You can run MacOS through KVM easy on Ryzen. Even GPU passthrough works fine.

Re: $499 AMD Ryzen 9 3900X Almost as Fast as $2000 Intel Core I9-9980XE

#45
post #40
post #34

I just assembled a new computer: amd 2200g ($90) + MSI B450M MORTAR ($90) + Intel 512GB SSD M.2 ($68) + 4 x 16G 2666 memory (4 x $72). I installed the debian testing system. After the installation, X hung at starting up. But after installing amdgpu driver by following this tutorial: https://wiki.debian.org/How%20to%20install%20official%20AMDG... , it works like a charming now.

Do you happen to know if cpu and case fan controls work on Debian on your machine? I have a server with a very similar setup, but cannot control the fans. ~ sensors No sensors found!

I saw this a few days ago. I dont think it will fix your specific issue but if you're wanting to monitors temps there's this: https://www.reddit.com/r/Amd/comments/c2lgeg/linux_monitorin...

I've not tested with my 2200g yet.

Re: $499 AMD Ryzen 9 3900X Almost as Fast as $2000 Intel Core I9-9980XE

#46

Out of curiosity, has anybody had anything in the AMD Ryzen instruction set missing that required you to purchase an Intel 9xxx instead? Any significant differences in regards to scientific applications or machine learning?

Yes official and guaranteed support for ECC but it was an i3-8100 instead of an AMD equivalent. For a FreeNAS build. I will upgrade it to a Xeon E-21XX or whatever supports my Supermicro C246 motherboard in the future. AMD doesn’t test ECC on Ryzen but doesn’t turn it off. Server grade components are not as common either.

Threadrippers are tempting but I like to play with EXSI and Intel’s virtualization is handy. My next desktop might be a Threadripper but my i7-7700K and Intel QSV is good enough for Plex and 4K.

I would like have a 10gb backbone with SFP+ so I can play with Fiber, DAC, and 10gb Ethernet.

Re: $499 AMD Ryzen 9 3900X Almost as Fast as $2000 Intel Core I9-9980XE

#48

Out of curiosity, has anybody had anything in the AMD Ryzen instruction set missing that required you to purchase an Intel 9xxx instead? Any significant differences in regards to scientific applications or machine learning?

I'm considering Intel for my next workstation because I want to be able to run macOS at least in VirtualBox (or just run Hackintosh, did not decide yet). For some reason macOS does not like AMD CPUs.

Oh man, my suggestion buy a used dual socket Xeon V2 (or V3 if you can afford it) server with room for a GPU. The price for performance is pretty unbelievable since you get a whole system, which you can run ESXi or whatever flavor of hypervisor you want.

V2/V3 Xeons are dirt cheap on ebay and if you don't mind a little risk the ES versions are mighty cheap for what you can get.

I just got Dual 2667 V2, 96GB of ram, dual 1200W PSUs, and room for 20 SAS2 HDs for less than $1,000 (replaced the 2637 V2s that came with the system). I'll note power consumption will be quite a bit higher, but power is pretty cheap where I live.

.... I'll be really stoked in a few years when the Rome chips are available used.

Re: $499 AMD Ryzen 9 3900X Almost as Fast as $2000 Intel Core I9-9980XE

#49
My ryzen 2700x was probably the best purchase I did last year :) it's just fantastic and I would really want to try out these new CPUs, just can't find an excuse to buy them :)

Takes like a second to cross compile Go app for all architectures, many cores ftw!

Re: $499 AMD Ryzen 9 3900X Almost as Fast as $2000 Intel Core I9-9980XE

#50
post #40
post #34

I just assembled a new computer: amd 2200g ($90) + MSI B450M MORTAR ($90) + Intel 512GB SSD M.2 ($68) + 4 x 16G 2666 memory (4 x $72). I installed the debian testing system. After the installation, X hung at starting up. But after installing amdgpu driver by following this tutorial: https://wiki.debian.org/How%20to%20install%20official%20AMDG... , it works like a charming now.

Do you happen to know if cpu and case fan controls work on Debian on your machine? I have a server with a very similar setup, but cannot control the fans. ~ sensors No sensors found!

I had to install the out of tree version of it87 to get fan control working on my ASUS Prime X370-Pro.

Unfortunately, the driver was abandoned last year, but copies of the code are still around on github.

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