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Post by TheScientist » Fri Jul 12, 2019 7:16 pm

So I have never been able to get really low CPU/DPC latency on my system, I would always get constant small spikes and the occasional huge spike.
I have spent a lot of time trying to improve things over the past few months but as much as I was able to trouble shoot a lot of small issues I could never get it as low as I felt it should be.
After talking to someone on a pro audio facebook page he suggested moving away from NVIDIA to AMD for my GPU as he felt the NVIDIA drivers are pretty awful..
I took a bit of a risk as I have gone for a very new AMD GPU. Radeon RX5700. My old card is an Asus GTX950 Strix.
I removed all the NVIDIA drivers before removing the old card using Display Driver Uninstaller.
Had the usual upgrade injuries, banged my head on the studio desk and managed to remove the skin on a few knuckles but had a pretty straight forward upgrade.

So my system performance with the new GPU. I am blown away!
My CPU latency has dropped, is stable and no big spikes. The occasional rise and falls but stayed well in the green with all the latency tests I ran.
I am able to run busy projects in C10 that would previously need a buffer of 1024 at 64 with a stable output. At 64 my real time peak is only just passing my average load on occasion and at 128 it isn't even getting close.
This is a night and day difference and it feels almost like I have upgraded the whole system.
For those who want more info on the system.
i7-6950X clocked to 4GHz, 64Gig Ram, RME ReyDat, MSI X99A XPower Gaming Titanium

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Post by MattiasNYC » Fri Jul 12, 2019 7:22 pm

Thanks for sharing.

And since the topic is what it is I'll just add this: ... ic-number/

The new AMD Ryzen 3900x offers:

98.8% of the performance of a 9960x at about 30% of the cost!...
110% the performance of the 9940x at about 37% of the cost!...
33% the performance of the 9900k at a 3% premium.
Nuendo 7.1.4 / Lynx TWO-B / Windows 10 Pro 64-bit / Ryzen 1700 3.7GHz (oc) / 16GB Corsair Vengeance DDR4@3200MHz / Nvidia GTX 660 / ASUS x370-A mobo/ 500GB WD Blue system drive / Crucial BX100 250GB SSD media / spinners for library/backup ::::: iZotope RX / Phoenixverb Surround / DaVinci Resolve / Faderport / Applied Acoustics UltraAnalog / my pet pony Frank

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Post by Glenn » Sat Jul 13, 2019 10:44 am

I can second your enthusiasm for AMD gpu's over Nvidia. I had a stable system with the occasional big spike. I still have the big spike from something I can't figure out, but once I changed from nvidia to a rx 580 card my average latency dropped from 70-80 to 20-35 according to latencymon
Cubase 10.0.30 PRO, Windows 10 PRO 64bit build 1903, RME Hammerfall 96/52, Asus X-470 Mainboard 32GB ram, Samsung NVME M.2 PRO, Ryzen 2700x OC 4.2 ghz, 2x UAD-2 Quad, Benchmark DAC-1, Apogee AD16, Millenia 4 HV3D, SSL XLogic Alpha, Universal Audio LA 610, Focusrite ISA428, Avalon AD2022, Brauner Phantom, Peluso, Shure, Sennheiser EVO, AKG C414, Electro Voice RE-20 and JZ Blackhole then some

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Post by Unidoubt » Sat Jul 13, 2019 2:48 pm

Thanks for posting your experiences.
In the past I chose Nvidea over AMD Gpu's because of stability with video tasks & better driver updates.
But after hearing about spikes & nvidea driver issues with audio,
I think I should go AMD route too then for my next daw machine.
Dropping your latency from 70-80 to 20-30 is quite significant.
Glad to see you've solved your issue & have perf. gains :D
MattiasNYC wrote:
Fri Jul 12, 2019 7:22 pm
Thanks for sharing.

And since the topic is what it is I'll just add this: ... ic-number/

The new AMD Ryzen 3900x offers:

98.8% of the performance of a 9960x at about 30% of the cost!...
110% the performance of the 9940x at about 37% of the cost!...
33% the performance of the 9900k at a 3% premium.
Thanks for sharing info & link Mattias.
I was already wondering how cubase would behave on the new AMD chips,
if it takes full advantage already or if cubase needs an optimization adjustment via an update.
Particularly regarding the 3900x 12core & upcoming 3950x 16core released in september.
The past few weeks I've dived deep into the technical details of the AMD3000 series Cpu's, discussing performance with enthusiast overclockers.
How the CPU clocks it's Infinite Fabric system bus latency ratio's, it's dependence on memory speeds, and the resulting system stress & overclocking capabilities.
There's alot going on with the cpu & motherboard, & I have knowledge to share about it,
and maybe some suggestions how we might go about it to boost cubase performance on these chips.
But where do I share? Or where would I best post this technical explanation on the forum?
It's also vital info for configurating hardware components to get the best out of an AMD 3rd Gen cpu.
Thanks in advance.

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Post by msy » Sun Jul 14, 2019 4:33 pm

As mentioned before ASRock will release a motherboard with Thunderbolt 3 for the AMD x570 platform. Not that I need to it personally, but that was the only thing some people building DAWs wanted. Don't know how latency difference is between TB3 and USB soundcards really. I very happy with my RME Digiface USB.

I hope to see some motherboard and memory benchmarks and comparisons soon. 3900x seems to be available in late july/early august here... Can only make pre-orders. Maybe I will wait for 3950x benchmarks...

It is probably necessary to switch to Windows 10 1903 which has improvements for handling "many" cores and the AMD platform. I've tested Win10 1903 on a testmachine and seems stable for me. Will have to test Cubase 9.5 and 10 side-by-side to see if there is any difference there aswell. Don't really need any of the new features in Cubase 10 to be honest, but if Cubase 10 is performing better I have to buy the upgrade I guess.
Cubase Pro 9.5.41 on Windows 7 using jBridge for 32bit plugins
HALion 6.3
Soundcard: RME Digiface USB with ADA8200
DAW: Intel Core i7 4790K @ 4.6 GHz |
ASRock X79 Extreme4 | 8GB DDR3 1600MHz | Samsung EVO SSD 250GB | 2x2TB SATA2 | Geforce 460Ti
Computer related hardware: UAD-2 Duo, Behringer BCF2000 (MCU), Nord Lead 4, Eurorack (12U) via ES3/ADAT

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Post by mr.roos » Sun Jul 28, 2019 7:07 pm

I've been using AMD/Radeon graphics cards for 10+ years and for the reasons listed in the first post here - Nvidia takes way too much control of the OS. I found it even affected my mouse operation. I still see ppl using Nvidia and I don't get it.
Cubase 10 Pro from SX3, WaveLab Pro 9.5, iC Pro remote app, Win10 64-bit (1903 update installed), Intel i7 8700 Coffee Lake 6-Core 3.2GHz, 32G DDR4 3200, Gigabyte Z390 Designare MB, Radeon RX570 Graphics card, Mackie 1640i (FireWire via TI chipset PCI-E card), M-Audio Keystation 61es controller via an M-Audio Midi-Sport 1X1.

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