Back in SETI V7 days, we had a choice to use the SSSE3 or SSE4.1 option for AMD CPU in the Lunatics installer. The SSE4.1 ran much faster on my FX's compared to SSE3 or SSSE3. I would assume that to be likely too of Ryzen. I see that all R7 CPU models show up in the Statistics page now. No way to know whether they are running on Windows or LInux though. Yes, it would be interesting to know how they run under Linux.

Way back when I made the windows build under v7, the difference on Core2 45nM having SSE4.1, was small (a couple of percent) over ssse3, though consistent and reproducible on the core2Duos of the time. I never managed to afford an AVX capable system yet myself for development. Since the adoption of AVX, and Intel compiler becoming unusable, the situation changed a fair bit in that time (close to 10 years overall since I started), and Joe Segur hand coded AVX into stock. He's disappeared since then, and no-one has been able to precisely tell me what's happened, so we're probably looking at finding or making new CPU app resources from scratch, more or less.

. . Richard did say once that the position for a volunteer was open :)

Stephen

:)

Ryzen build updates. It is finaly up and running !!! :)
I have decided to make new buid from scratch and had another 1070 in it.

The 1700 is at least 3 to 4 times more powerfull than the 8350 and it only needs 325 watts to run 12 CPU tasks and 4 GPU tasks. It is 125 Watts less than the FX system. My motherbord BIOS will need an updates as I cant boot with memory speed sets higher than 2133. The temperatures are very good considering I have just installed the stock wraith cooler. HWMonitor 1.31 indicates a CPU temp of 52Deg.C under full load and that is very good for a stock cooler. I will transfer the Ryzen board in the big box when I receive the corsair bracket and then I will push it even more.

The beast will get better with time but it is already a winner for me. It does exactly what I was expecting. 100% happy.

Cheers my friends.

Which board did you get? Which memory? I can offer some good advice on how to get your memory to run at rated spec. I have my memory running at 3200 once I found the magic bullet in the BIOS settings. Currently have the 1700X in the ASUS Prime X370 Pro motherboard and Corsair LPX CL16 3200 memory. CPU is running at 3.8 Ghz all cores. Same exact SETI job settings. My 1700X reports running temperatures around 80° C. But you have to subtract 20° C from that temp mentally since the 1700X and 1800X CPU's have a default, built-in +20° C, offset put in by AMD for some silly reason. Your 1700 reports real temps so your 52° C sounds about right. So my CPU is really running at 60° C or a little less depending on ambient in the room. That is with my temporary cooler, the Noctua NH-D15. Still waiting on Corsair so I can put the Corsair H100iV2 AIO watercooler back on it.

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

The power consumption was something that AMD had to address seriously as it was atrocious and get their IPC up.

Cheers.

Not really seeing much of a decrease in power usage. Maybe 20 watts less. Of course the 1700X is overclocked so that throws the AMD default spec out the window. Most of the power consumed by the whole system is attributed to the two graphics cards. Every little bit helps of course.

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

Not really seeing much of a decrease in power usage. Maybe 20 watts less. Of course the 1700X is overclocked so that throws the AMD default spec out the window.

Overclocking is great demonstration of diminishing returns.
5% increase in clock speed, 10% increase in power consumption. 7% increase in clock speed, 18% increase in power consumption (numbers made up, but you get the idea).

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Grant
Darwin NT

Not really seeing much of a decrease in power usage. Maybe 20 watts less. Of course the 1700X is overclocked so that throws the AMD default spec out the window.

Overclocking is great demonstration of diminishing returns.
5% increase in clock speed, 10% increase in power consumption. 7% increase in clock speed, 18% increase in power consumption (numbers made up, but you get the idea).

How so true. But I am a glutton and also why I don't feel so guilty about the increased power needs because I offset that with solar. Yesterday was a good day and I took 18 kWh off the ledgers. Should be about the same today. Nice to wind the meter backwards.

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

For anybody running the ASUS Prime X370 Pro motherboard, there is a new BIOS available on the ASUS Support site. BIOS is 0515. Off to give it a try.

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

I have the ASRock x370 Killer SLI and I have just updated the BIOS. The last version mention something about RYZEN and there is a BETA version that talks about memory issue. I will wait untill its final version before doing another BIOS upgrade. I will appreciate some helps with memory if the problem still persue after the next upgrade but for now I am in the prcess of reinstalling my programs and feel the new machine a little bit before I start to play with overclocking and RAM speed.

So far I am very please with this CPU. At stock speed and stock cooler my RYZEN machine needs 325 Watts with both 1070s running 2 tasks each and 12 CPU tasks (16 total).
My FX-8350 machine has the same PSU and and the same GPUs but it needs 450 Watts when running only 4 GPU tasks (4 total).
Okay it does have a lots of LED fans and a corsair h100i v2 hydro cooling system in it but could these account for the 125 Watts difference ? I doubt that.

As for the temperatures if one dont intend to overclock the 1700 there is no need to buy another cooler. The stock wraith cooler that commes with it will do just fine. I sure cant wait for the AM4 bracket to try it on the hydro cooler but here are the temps reading that I have with the stock cooler, a good box with good airflow and ambiant temp of 20 Celcius.

Taken from HWiNFO64 v5.47-3125
in the CPU section
CPU (Tctl/Tdie) 59-62 Celcius.
in the MOBO section
CPU 54 Celsius.

Not sure what they both represents but I would like to know wich one I should worry about and what is the MAX I should avoid before having trouble. If these temps are indeed good and safe I might leave the new build as is... Its quieter than my big box, its more productive and consumes 125 Watts less.... When I switch on the Big box with the 8350 in it I feel bad knowing it will consume 450 Watts for 4 GPU tasks and no CPU tasks at all. All the 1070s draw around 100 Watts each regardless of in wich box they are so chances are that the 125 difference is only because of the FX platform and CPU.

In my quest for the most productivity for less power this new built is hard to beat.

Not really seeing much of a decrease in power usage. Maybe 20 watts less. Of course the 1700X is overclocked so that throws the AMD default spec out the window.

Overclocking is great demonstration of diminishing returns.
5% increase in clock speed, 10% increase in power consumption. 7% increase in clock speed, 18% increase in power consumption (numbers made up, but you get the idea).

Soooo true. That is why I dont overclock much. I had my 8350 at 4.7 stable for a while but the noise of the fans... the power consumption... etc.
I like things when they works within their nominal specs. It even globaly runs better when not overclocked.

I would suggest you download the latest HwInfo beta release and run it for monitoring. It has temperature monitoring that takes into account the offset in the X chips. Temperatures are Ttcl and Tdie. For the 1700 they should be same. HwInfo reports the voltages and temperatures from the CPU, from the onboard ITE I/O chip and also directly from the VRM regulators. The voltages from the VRM regulators are most consistent with actual voltages as measured directly with a digital multimeter.

Your temps with the stock Wraith cooler sound about right. You should achieve better temperature and control with the AIO whenever you are able to install it. Let's hope that the AIO brackets really do start shipping this next week. I am waiting on mine before I move everything into a new case with new power supply.

It looks that the latest BIOS for the Prime X370 had messed around with what the CPU reports as temperature. About 20° C less than before which is causing my fans to spin a lot slower on the same fan curve profile. I will have to go to Custom fan curves as I want the fans to spin a lot faster all the time since the computer will be under constant 100% loading with BOINC. I also see that the CPU voltages are reporting a lot higher than before. But the actual CPU voltage telemetry from the VRM regulators are reporting basically the same as before with the 0511 BIOS. The chip is mainly running at the default 1.35V for my 1700X chip.

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

. . One word ... Lunatics. Then tweak the heck out of your chosen app (preferably SoG on a windows system) :)

Stephen

.

Thanks I will have a look at that soon...

Would an H60 provides better cooling than the stock wraith cooler ?
It would fit very nicely in my smaller new build.
I would let the H100i v2 on the big box for the FX-8350 as it is right now.

I would suggest you download the latest HwInfo beta release and run it for monitoring. It has temperature monitoring that takes into account the offset in the X chips. Temperatures are Ttcl and Tdie. For the 1700 they should be same. HwInfo reports the voltages and temperatures from the CPU, from the onboard ITE I/O chip and also directly from the VRM regulators. The voltages from the VRM regulators are most consistent with actual voltages as measured directly with a digital multimeter.

Your temps with the stock Wraith cooler sound about right. You should achieve better temperature and control with the AIO whenever you are able to install it. Let's hope that the AIO brackets really do start shipping this next week. I am waiting on mine before I move everything into a new case with new power supply.

It looks that the latest BIOS for the Prime X370 had messed around with what the CPU reports as temperature. About 20° C less than before which is causing my fans to spin a lot slower on the same fan curve profile. I will have to go to Custom fan curves as I want the fans to spin a lot faster all the time since the computer will be under constant 100% loading with BOINC. I also see that the CPU voltages are reporting a lot higher than before. But the actual CPU voltage telemetry from the VRM regulators are reporting basically the same as before with the 0511 BIOS. The chip is mainly running at the default 1.35V for my 1700X chip.

OK so the temp I should look and worry about is the Tcdl/Tdie right ? and what is the 1700 max value I want to avoid ? The 8350 was 60 right ?
I did read a bit about that but it seems very confusing...

You should avoid temps above 70°C.
I mean real temp without offset.

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With each crime and every kindness we birth our future.

OK so the temp I should look and worry about is the Tcdl/Tdie right ? and what is the 1700 max value I want to avoid ? The 8350 was 60 right ?
I did read a bit about that but it seems very confusing...

The max Tctl temperature that AMD specifies for the Ryzen chips is 95° C before throttling. I'd try to keep it under 82° C.

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

You should avoid temps above 70°C.
I mean real temp without offset.

That's about right for your non-offset 1700. For me, with the 1700X with offset, my reported Tctl of 82° C puts my real temp around 62° C. So it sort of aligns with what we were used to with FX processors. Stay under or around 62° C and you should be fine.

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

For anybody running the ASUS Prime X370 Pro motherboard, there is a new BIOS available on the ASUS Support site. BIOS is 0515. Off to give it a try.

. . I am waiting for that to appear already installed on new mobos. Then I will buy one :).

. . I am a picky shopper, I want a system with the bugs already exterminated.

Stephen

:)

Then you will have to wait at least until end of May or June. AMD says there will be a major AGESA microcode update in May to bring the memory XMP profiles up to equality with Intel platforms.

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

Then you will have to wait at least until end of May or June. AMD says there will be a major AGESA microcode update in May to bring the memory XMP profiles up to equality with Intel platforms.

Good, so July/August then.
If I go with AMD for my next system, it will definitely be a B series CPU stepping (or whatever AMD designate them as) and a major v1.x revision motherboard (or even v2.x). It'll also give software developers a chance to get a better handle on the new architecture's strengths and weaknesses and take advantage/work around them. And the motherboard manufacturers and aftermarket cooler manufacturers a chance to finally get the heatsink mounts and brackets right.

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Grant
Darwin NT