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dcrobinson
Veteran Cruncher UK Joined: Mar 10, 2009 Post Count: 1176 Status: Offline Project Badges: 
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The challenge is running. 16 hours of MCM units. Threadripper 1950X vs Ryzen 9 3900X.
----------------------------------------At the halfway mark (8 hours) my Ryzen 9 3900X is 5 minutes away from having processed 72 units, with about 15 further units at averaging about 5% done (so basically, 72 units completed, near enough). The CPU is running all 12 cores at 3975MHz, the temperature is 80C, the CPU package power is 145W and the system power at the wall is 197W.
Dave Robinson, Malvern, UK
----------------------------------------[Edit 1 times, last edit by dcrobinson at Feb 20, 2020 9:24:34 AM] |
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unsmurf
Cruncher Joined: Mar 11, 2017 Post Count: 27 Status: Offline Project Badges: 
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Im very interested in your outcome as im looking at a Ryzen 9 for my new build.
----------------------------------------i have a couple of questions if you dont mind. are you running 12 or 24 tasks at a time? what cooler are you running? are you using tthrottle to control the temps or just running flat out and monitoring it? |
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dcrobinson
Veteran Cruncher UK Joined: Mar 10, 2009 Post Count: 1176 Status: Offline Project Badges:
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Im very interested in your outcome as im looking at a Ryzen 9 for my new build. i have a couple of questions if you dont mind. are you running 12 or 24 tasks at a time? what cooler are you running? are you using tthrottle to control the temps or just running flat out and monitoring it? 24 threads. Much more energy efficient. My system uses 40-50W idling, 200W flat out with 24 threads, and about 175W with 12 threads. In general, I'm only going to be crunching when my electricity drops below 4p/unit (see earlier posts). I sold the bundled cooler (which isn't bad) on eBay and have a Scythe Mugen 5 rev.B air cooler. I'm a big fan of Scythe air coolers, which are virtually silent even when flat out, and don't leak  . I have a Fractal Design Define C micro-ATX case, and just use the two supplied case fans. The graphics card is a GT1030 and is fanless. The case fans are audible when flat out, but only as a quiet hum. If I turn off one of them (the front fan) it's almost silent but the CPU temp goes up a couple of degrees. The CPU itself is good for 95C I believe, so plenty of headroom still, hopefully enough to cope with a hot summer.Having done some Googling, temperatures of 80-85C are typical for this CPU.
Dave Robinson, Malvern, UK
----------------------------------------[Edit 3 times, last edit by dcrobinson at Feb 21, 2020 3:32:17 PM] |
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unsmurf
Cruncher Joined: Mar 11, 2017 Post Count: 27 Status: Offline Project Badges:
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Thanks, thats some good info there.
----------------------------------------for me i dont need to worry about electric cost as such as thats all included in my rent, i just try not to waste it for no reason. the pc is however on 24/7 for various reasons thou. your system is much more energy efficient than mine currently (i7-3770k, gtx780, 7x hdd, 1x ssd) which on idle will use 250W at the wall and 370 on full load which is 95% of the time so im hoping my new build will bring a saving there or atleast do a lot more work for the same cost. Again fan noise isnt a problem as im so used to my 4 case fans anyway but they are needed as the room does get hot in the summer so i have to be careful then otherwise it starts to throttle itself but makes for a great little heater in the winter. From my reaserch most people are saying 70-80 is normal but even upto 90 is acceptable. I look forward to the final results of your test |
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dcrobinson
Veteran Cruncher UK Joined: Mar 10, 2009 Post Count: 1176 Status: Offline Project Badges:
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The results are in (from one fairly unscientific run)
----------------------------------------We ran for 16 hours, processing solely MCM work units. Any uncompleted units were added up pro-rata at the end of the time period. We used the CPU package power consumption to elimate other factors such as storage and memory. Ryzen 9 3900X (12 cores, 24 threads): 144.25 units CPU package power consumption: 146W Energy cost per unit: 16.2 Wh Threadripper 1950X (16 cores, 32 threads): 159.4 units CPU package power consumption: 218W Energy cost per unit: 21.9 Wh So it was a close-run thing between the 1st generation 32-thread processor and the 3rd generation 24-thread processor. Unfortunately, this could prove to be an expensive exercise, because DMNI now wants to upgrade his Threadripper!!!
Dave Robinson, Malvern, UK
----------------------------------------[Edit 2 times, last edit by dcrobinson at Feb 21, 2020 8:25:40 AM] |
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Darkmatter.NI
Veteran Cruncher Northern Ireland Joined: Jun 6, 2014 Post Count: 783 Status: Offline Project Badges:
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I thought that DC was going to out produce me. It was very close indeed which shows how much improvement has happened in the past few years. If DC had the 16 core version, I'd have to over-clock just to keep it close.
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dcrobinson
Veteran Cruncher UK Joined: Mar 10, 2009 Post Count: 1176 Status: Offline Project Badges:
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If I had a 3950X I'd have crunched another 48 units or thereabouts, so you'd have to up your game by 20% DMNI, which is one heck of an overclock.
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Dave Robinson, Malvern, UK
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mac1
Senior Cruncher United Kingdom Joined: Mar 30, 2014 Post Count: 263 Status: Offline Project Badges: 
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Very interesting test results, thanks for sharing those.
----------------------------------------Thought I'd try and lift some numbers from my stats for comparison. Results from 19th Feb, I guess when you did your test? 24hours period and Watts measured at the socket. Results Watts Watts per day Watts per unit PC The v4's are well off the pace, nearly twice as power hungry as the 3900X. The 16core is being sunset today as it happens (going to dad). I think I'll gut the other one and refresh it later in the year. AMD is looking a strong contender right now.
cheers,
Andy Suffolk - UK |
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Darkmatter.NI
Veteran Cruncher Northern Ireland Joined: Jun 6, 2014 Post Count: 783 Status: Offline Project Badges:
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If I had a 3950X I'd have crunched another 48 units or thereabouts, so you'd have to up your game by 20% DMNI, which is one heck of an overclock. That sounds like a challenge, I like a good chal.... We've been here before! Do you want to do another run? This time using PBO? I would also like to do a run with hyper-threading disabled. For a 20% overclock would need much superior cooling, and a power station to run it. What I find odd, is that the CPU should not have voltage above 1.50, yet at stock, while idle, the voltage goes that high intermittently. Under load the voltage is stable at 1.10. [Edit 2 times, last edit by Darkmatter.NI at Feb 23, 2020 12:48:40 AM] |
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dcrobinson
Veteran Cruncher UK Joined: Mar 10, 2009 Post Count: 1176 Status: Offline Project Badges:
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Very interesting test results, thanks for sharing those. Thought I'd try and lift some numbers from my stats for comparison. Results from 19th Feb, I guess when you did your test? 24hours period and Watts measured at the socket. Results Watts Watts per day Watts per unit PC The v4's are well off the pace, nearly twice as power hungry as the 3900X. The 16core is being sunset today as it happens (going to dad). I think I'll gut the other one and refresh it later in the year. AMD is looking a strong contender right now. That's very interesting Andy (Mac1). The Xeon 8160 is pretty close. If you take "Watts at the wall" as the unit of measurement for mine 3900X it works out at about 21.7 Wh/unit. My storage and RAM are pretty energy efficient, but I do have an 8 or 9W hit from the graphics card (4 to 5% of my total energy consumption).
Dave Robinson, Malvern, UK
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