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post #271 of 305 (permalink) Old 02-08-2019, 07:14 AM
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I think I had tried using newer drivers and wattman but it wouldn't let me undervolt the gpu or something weird like that, and touching anything in afterburner would cause it to go into... what do they call it, 2d clocks or something. It was stuck at 300mhz til reboot. It was annoying, this GPU really needs to be undervolted vs stock or it runs much much hotter.



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post #272 of 305 (permalink) Old 02-08-2019, 09:17 AM
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Those boost 7950s are finicky.

I do hate the auto-boost and other nonsense that is baked into modern GPUs. I have to dance around the boost on my Vegas to run them at max clocks and not way over boost and crash when load the load drops.

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post #273 of 305 (permalink) Old 02-09-2019, 10:15 AM
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I will post some Radeon VII numbers once I get my card. The card will primarily be doing other work, but I will run MilkyWay on it for testing and post the numbers here.


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post #274 of 305 (permalink) Old 02-11-2019, 06:48 AM
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Nice! Grats on getting one!



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post #275 of 305 (permalink) Old 02-11-2019, 11:27 AM
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post #276 of 305 (permalink) Old 02-11-2019, 11:39 AM
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If those are single tasks, that's about twice as fast as my 7970 clocked at 1200/1400. There should be a bit more performance to squeeze out of it, but who knows how that user has it running.


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post #277 of 305 (permalink) Old 02-11-2019, 11:46 AM
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A user mentioned some are 1x and some are 2x (the ones in the 30s) for 19 seconds per task.


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post #278 of 305 (permalink) Old 02-12-2019, 08:51 AM
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That's... quick.



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post #279 of 305 (permalink) Old 02-22-2019, 11:57 PM
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Running through some tasks on my Radeon VII. Bone stock clocks (1802/1001) running in Arch Linux, with the fan speed at 100% to keep it at max boost, and eliminate any chance of throttling.

Single 243.61 point tasks complete in 19-20 seconds, for 1.05 million PPD.

Things start to get a bit more interesting when you really start upping the concurrent task count. The below times are averaged from 40+ tasks of each variety. I am still waiting for most of the tasks to validate, but so far, zero invalids or errors out of the 490 tasks I've crunched.

10x 243.61 point tasks complete in an average of 124.07 seconds, for 1.69 million PPD
10x 227.16 point tasks complete in an average of 107.95 seconds, for 1.81 million PPD


I haven't tested any other task counts yet. At 10x the GPU stays pegged at 100% usage, and there are no signs of any bottlenecks. CPU usage is also very low, with MilkyWay only occasionally using a full thread on my 2970wx. The GPU is pulling roughly 274 watts at the wall.


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