AdoredTV did a very interesting video about exactly this issue, called "Ryzen of the Tomb Raider". In pretty extensive testing they show that something is definitely wrong with Nvidia cards in DX12 on Tomb Raider.
On a Ryzen 1800X system, crossfire RX 480's beat out an overclocked Titan X, 90fps on the 480's and only 80fps on a Titan X - which is just ridiculously wrong when you look at the relative GPU power.
Some other people have run more tests, and a similar thing is happening in The Division, so it seems highly likely that Nvidia has some strange issues somewhere along the line with DX12.
Could you comment on your Chromium Compile benchmark a bit; I'd like to use it as part of a pitch on why our compile farm needs replacing (e.g. "look what a $249 cpu can do"). What OS did you build under, I'm guessing Windows 10 from your earlier statements in the full article? Did you follow these directions for the most part? https://chromium.googlesource.com/chromium/src/+/m... If so (and you used Windows 10), then you used Visual Studio? Which version and which license of VS?
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lefty2 - Tuesday, April 11, 2017 - link
Yeah, also with the RX 480 the i5 7400 scores better then i5 7600 (by a huge margin)! That makes no sensesharrken - Wednesday, April 12, 2017 - link
AdoredTV did a very interesting video about exactly this issue, called "Ryzen of the Tomb Raider". In pretty extensive testing they show that something is definitely wrong with Nvidia cards in DX12 on Tomb Raider.https://www.youtube.com/watch?v=0tfTZjugDeg
On a Ryzen 1800X system, crossfire RX 480's beat out an overclocked Titan X, 90fps on the 480's and only 80fps on a Titan X - which is just ridiculously wrong when you look at the relative GPU power.
Some other people have run more tests, and a similar thing is happening in The Division, so it seems highly likely that Nvidia has some strange issues somewhere along the line with DX12.
https://www.reddit.com/r/Amd/comments/62n813/inspi...
milli - Wednesday, April 12, 2017 - link
It's also happening in Battlefield 1, Deus Ex: MD & Total War: W.https://www.computerbase.de/2017-03/amd-ryzen-1800...
Are nVidia drivers not detecting Ryzen CPU's correctly or is it foul play?
mdw9604 - Thursday, April 13, 2017 - link
Poor AVX implementation /w AMD and the driver.milli - Thursday, April 13, 2017 - link
What has AVX to do with nVidia's DX12 drivers???bug77 - Tuesday, April 11, 2017 - link
Really great job not throwing intel power consumption in there for comparison. /sIan Cutress - Tuesday, April 11, 2017 - link
Mainly because that part of the discussion was purely to do with CCX arrangement and core loading.But sure, because you asked so nicely. /s They've been added.
bug77 - Tuesday, April 11, 2017 - link
Thanks.Phiro69 - Tuesday, April 11, 2017 - link
Could you comment on your Chromium Compile benchmark a bit; I'd like to use it as part of a pitch on why our compile farm needs replacing (e.g. "look what a $249 cpu can do").What OS did you build under, I'm guessing Windows 10 from your earlier statements in the full article?
Did you follow these directions for the most part? https://chromium.googlesource.com/chromium/src/+/m...
If so (and you used Windows 10), then you used Visual Studio? Which version and which license of VS?
Thanks! Great review!
Ian Cutress - Tuesday, April 11, 2017 - link
Win 10 x64 Pro v1607, Build 14393.953. VS Community 2015.3 with Win10 SDK. I bascially followed the instructions in that link. :)