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ProfileFinn the Human
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Message 68007 - Posted: 14 Jan 2019, 6:24:11 UTC

AMD is giving Nvidia a run for its money with the Vega 20 rocking Radeon VII cranking out, supposedly, 6,912 GFLOPS of double-precision goodness.

Source:
https://www.techpowerup.com/gpu-specs/radeon-vii.c3358

For the sake of record:
- Titan V costs $2,999 (DP of 7,450 GFLOPS)

If the leaked specs are accurate, I feel like everyone running projects that benefit from FP64 performance (i.e. Milkyway@home) will grab this card like hot cake. IMO, Radeon VII is the saving grace for researchers in need of affordable DP accelerators.
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Message 68008 - Posted: 14 Jan 2019, 15:01:26 UTC - in response to Message 68007.  

That is very interesting. I would prefer lower power however; maybe they will come out with a lower-end version.
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Message 68009 - Posted: 14 Jan 2019, 16:54:56 UTC - in response to Message 68008.  

Given the similarities between VII and MI50, the question of whether or not the gamer variant supported FP64 (double-precision floating-point) lingered after its announcement. At the show, I talked to an AMD rep who said the card didn’t support double-precision, and was further told that such a move would cannibalize sales of the higher-priced enterprise cards (which seems likely).
https://techgage.com/news/radeon-vii-caps-fp64-performance/

We are out of luck after all.
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Message 68011 - Posted: 14 Jan 2019, 18:55:27 UTC - in response to Message 68009.  

That is disappointing ☹️
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Message 68022 - Posted: 17 Jan 2019, 10:59:54 UTC

maybe we have luck

Anandtech has confimred that vega vii wil have a DP ratio of 1:8. that 2 time the DP of of a vega 64 or 1.7TFlop DP.
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Message 68029 - Posted: 17 Jan 2019, 16:57:43 UTC - in response to Message 68007.  



- Titan V costs $2,999 (DP of 7,450 GFLOPS)



Just a FYI - The Titan V, on paper, has a DP of 7.4 TFlops but in real world performance for Milkyway its about half the speed of a Tesla V100 (which is rated the same). Then again it is half the price of a v100 so I guess that makes sense.
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Message 68036 - Posted: 18 Jan 2019, 1:05:26 UTC - in response to Message 68022.  
Last modified: 18 Jan 2019, 1:07:22 UTC

maybe we have luck

Anandtech has confimred that vega vii wil have a DP ratio of 1:8. that 2 time the DP of of a vega 64 or 1.7TFlop DP.


Let’s hope they will keep it at 1:8. 1.7TFLOPS is still better than any RTX cards right now, at least on paper.

Edit: spelling
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Message 68099 - Posted: 6 Feb 2019, 8:43:58 UTC

soon we will know more :)
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Message 68102 - Posted: 7 Feb 2019, 14:29:21 UTC
Last modified: 7 Feb 2019, 14:29:36 UTC

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Message 68103 - Posted: 7 Feb 2019, 15:03:00 UTC
Last modified: 7 Feb 2019, 15:03:09 UTC

all media say 1:4...thats amazing...
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Message 68104 - Posted: 7 Feb 2019, 18:38:49 UTC - in response to Message 68103.  

all media say 1:4...thats amazing...

It is enough to grab your attention.
How do the GPU work units do on Linux as compared to Windows? I have only compared the CPU ones.
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Message 68105 - Posted: 7 Feb 2019, 19:20:16 UTC

Good luck keeping it fed with MW work when you have an outage for hours everyday and not enough cache/work in progress for that downtime.
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Message 68106 - Posted: 7 Feb 2019, 19:34:14 UTC - in response to Message 68105.  

Excellent point. I think I will wait for Navi and see how it does on dual-precision. Also, the power should be more reasonable.
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Message 68107 - Posted: 7 Feb 2019, 19:55:30 UTC - in response to Message 68102.  

Anand says it is 1/4 at 3.5 TFLOPS
https://www.anandtech.com/show/13923/the-amd-radeon-vii-review

all media say 1:4...thats amazing...


That is flipping amazing! Although not as good as the rumoured 1: 2 but it’s still way better than 1:8 or anything Nvidia has to offer new at this price point. I will defiantly get my hands on one once the retail pricing is on MSRP.
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Message 68110 - Posted: 8 Feb 2019, 0:32:28 UTC

Anand was the 1st article I read. I checked another later and it also said 1/4. Typically it is 1/16 then there was the rumor of 1/2 then 1/8 but 1/4 is still fantastic.

Just like all projects, have a backup set to 0% resource share. Even the big projects go down unexpectedly or for maintenance.
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Message 68111 - Posted: 8 Feb 2019, 1:59:51 UTC

Well, if it's fp64 ratio is 1\4 then it's like 7970 all over again, and that was a brutal card back then with it's 1 TF of fp64.
(Fp64 for 7970 was set at 1\4 ratio).
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Message 68112 - Posted: 8 Feb 2019, 4:04:30 UTC

We need a bigger limit allowed for WUs in progress for GPUs with this daily database issue. 600 doesn't cut it with multiple Tahiti based GPUs in 1 PC.
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Message 68113 - Posted: 8 Feb 2019, 6:34:18 UTC - in response to Message 68112.  
Last modified: 8 Feb 2019, 6:35:46 UTC

We need a bigger limit allowed for WUs in progress for GPUs with this daily database issue. 600 doesn't cut it with multiple Tahiti based GPUs in 1 PC.

Yes, but I would suggest longer work units. They take only 2 minutes on my RX 570, and a Radeon VII would do them in only a few seconds.
The server must be constantly tied up doing uploads and downloads. Probably 20X longer would be about right. Haven't they considered that already?
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Message 68114 - Posted: 8 Feb 2019, 10:56:28 UTC - in response to Message 68112.  
Last modified: 8 Feb 2019, 10:57:16 UTC

We need a bigger limit allowed for WUs in progress for GPUs with this daily database issue. 600 doesn't cut it with multiple Tahiti based GPUs in 1 PC.


You could reconfigure BOINC to say you have more GPUs than you actually do. Some SETI users do that since there is a weekly server maintenance.
https://setiathome.berkeley.edu/top_hosts.php

[63] NVIDIA GeForce GTX 1080 Ti (4095MB) driver: 410.66

[64] NVIDIA GeForce GTX 1070 (4095MB) driver: 415.27

[64] NVIDIA TITAN V (4095MB) driver: 410.57 OpenCL: 1.2
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Message 68116 - Posted: 8 Feb 2019, 22:35:37 UTC - in response to Message 68105.  
Last modified: 8 Feb 2019, 22:39:37 UTC

Good luck keeping it fed with MW work when you have an outage for hours everyday and not enough cache/work in progress for that downtime.


Oh so I'm not the only one suffering from that issue! Yeah that really annoys me that I run out of work and can't access anything EVERY day :( Database down.

There aren't any Radeon VII's to buy anyway. 0 availability and the temps quoted from testing are quite high. 110 degrees Celsius+. It's already baking in the southern hemisphere running muti GPU's through summer in a small room.

I'd wait for the AIB boards to come out and let the dust settle.

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Message boards : Number crunching : AMD recently announced Radeon VII with 6.9TFLOPS of FP64 (1:2) for only $699???!!!

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