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Messages - agentdark45

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Hardware / Re: Threadripper Builds
« on: 2020-02-13, 13:35:03 »
Some solid delay right, huh ;- )? Also waiting for it, I kind of don't want to waste time using my existing EKWB that I will dissasemble.
Last ETA give to me was "Two weeks to shipping" on Feb 3rd. Oh well...busy month anyway.

Anyway, nice parts ! We're gonna have very similar builds :- ). Also went for i1600 but there is no other PSU like that (the SuperFlower is non-digital platform, BeQuiet will release in March+,...)

Man, that delay is killing me!

Re the RAM, where did you get the Micron e-die 3600&CL16 32GB DIMMs from? Some seriously impressive specs! Running 256gb at that speed and timings would make me nervous though, let's hope the motherboard holds up.

Feature requests / Re: The most wanted feature?
« on: 2020-02-13, 13:27:58 »
How does it handle microdetail? Do you know?
So for things like this:

Like this

Damn, this is nice. Is this parallax vs the regular bump mapping? How fine can you go before it breaks?

Hardware / Re: Threadripper Builds
« on: 2020-02-09, 14:26:22 »

Ram seems to be an issue I am going for 128gig I can get two CMT64GX4M4C3200C16 dominator kits but I really don't want the rgb and large heat shields. I found some F4-3200C16Q-128GVK gskill kits that I can buy. both kits are on the QVL list.
Does anyone have any experience with either of these kits ?

I generally ignore QVL lists for RAM. Memory IC's are made by a handful of big companies (Samsung, Micron, Hynix e.t.c).

I purchased: due to the great timings and binning by Gskill. According to Typhoon burner my ram is Hynix DJR, 1 step off the commonly accepted best Samsung b-die, however DJR can run with more stability at higher temperatures than B-die.

I can run all 128gb at 3600mhz @ 16, 16, 19, 20, 32 (@ 1:1 infinity fabric ratio) completely stable after using Ryzen DRAM calculator by 1usmus.

I'd also get a more beefy power supply if you're getting the 3990x - according to the reviews some people were sucking down 950w+ when overclocking. I went for the Ax1600i due to the excellent reviews and silent operation.

My motherboard is a Gigabyte TRX40 Designare (comes with a free thunderbolt and NVME expander card), same VRM design as the Aorus extreme but a couple of hundred bucks less.

I made a 3D mockup of my watercooling loop (measured the case and mounting holes with calipers meticulously, and all fittings and radiators are to scale). Last bits to come in are the reservior and CPU block from Optimus, currently just running a Dark Rock Pro TR4 air cooler until I assemble the loop.

Feature requests / Re: Animation & Scene Parsing
« on: 2020-02-07, 17:22:16 »
This! At least there should be a checkbox to keep the scene loaded into RAM for those who have enough physical RAM to not have to parse the scene on each frame.

Hardware / Re: Threadripper Builds
« on: 2020-02-07, 16:14:37 »
Some reviewers have been hitting 18s in Corona bench, insane!

I'm still happy with my 3970x though, managed to get a nice £150 discount on Amazon prime business. I'll probably end up getting a 64 core (or more?) when windows sorts out it's issues with +32 core systems, and by then the expected IPC gains from AMD will be next level.

Gallery / Re: Layers of White
« on: 2020-01-29, 15:31:35 »
Wow these are fantastic! Would you mind letting me know where I can get such good quality backplates from?

Gallery / Re: kitchen
« on: 2020-01-26, 12:57:42 »
Looks great man. Could you post up the lightroom/LUT creator versions so we can see the difference?

I would definitely be interested in seeing your workflow for creating the LUT.

Hardware / Re: Threadripper Builds
« on: 2020-01-07, 11:50:25 »
I'm now second guessing whether to get the 64 core due to the anomalies listed above (windows processor groups, low R20 score, no mention of the TRX80 boards).

I guess the low R20 score could be attributed to two things:

1. Low all core boost to keep the stock TDP at 280w - I assume this can be resolved with a touch of overclocking?
2. The benchmark finishing too quickly to give an accurate/scalable result.

Seeing as my main use case will be for Corona, I'm going to wait until I see a nice linear Corona bench score pop up else I think I'll go with the 3970x and upgrade again in 2 years+ when the quirks of a mainstream 64 core CPU have been ironed out - by then we'll also have much to think about.

Also Juraj, I spoke to Optimus and they are aiming to ship out the Threadripper blocks next week.

Bug Reporting / Re: AMD vs INTEL Far Bump Calculation
« on: 2019-12-13, 19:08:19 »
Is the F-Storm interpolated that sharply specifically in bump or in general? Yeah if Bump/Normal would drive roughness at resolution-independent way, that would be...kick ass.

I think it's an engine wide approach to texture/AA filtering as bitmaps in general render with more clarity at distance, Dubcat touched on this in his thread. Whatever it is, it's goddamn magical - the smudge/dust maps on the metal pot and cooker surface are so well sampled and devoid of any "cgi" sharpness, whilst also retaining amazing detail.

Bug Reporting / Re: AMD vs INTEL Far Bump Calculation
« on: 2019-12-13, 17:59:10 »
As an aside to this, while the devs are looking at bump mapping - would it also be possible to look into how micro bump details are handled?

Myself and others on the forum have mentioned that when it comes to micro details (dense micro metal scratches/bumps for example), the result is often view and resolution dependent which can wreak havoc when going from a low res test render to a high res production render.

A quick example of this would be to add a stretched noise bump map to simulate anistropy/realistic reflection dulling on a metal pot. I can do this easily in Fstorm with just bump mapping (sorry to beat the Fstorm drum again), but I can't with Corona. Please see the video below for an example of this in action:

Hardware / Re: Threadripper Builds
« on: 2019-12-03, 13:28:36 »
I wonder how much the above from Optimus is just hype but I presume there will be some reviews in upcoming weeks. 200 dollars is solid amount of money but it's looking nicely overbuilt.

I just sprang for the TR3 block and the res/pump combo (some nice black friday discounts on their site).

According to some tests of their Intel block, they were shaving off 6-7 degrees C in direct comparison to a Heatkiller block (arguably one of the best WC block manufacturers):

I can only imagine that those temps would scale similarly due to the large surface area of the TR3 heatspreader.

Still not sure what model of TR3 I'm going for, think I'm going to wait until January for the 64 core reviews.

Got some other nice bits too: 2xHWlabs GTS 480 + 1xGTS 360 rads, going to fit them in the Phanteks Luxe 2 case. Now just waiting for Noctua to finally release their black nf-a12x25 fans!

Feature requests / Re: The most wanted feature?
« on: 2019-11-28, 18:21:06 »
What exactly is meant by "DSLR style tone mapping"?

Tone mapping that works like an actual DSLR camera's response (which can't be faked with LUT's), specifically in terms of dynamic range (no ugly murky greys), pleasant highlights/burnouts, natural colour shift in relation to exposure e.t.c.

At the moment Corona's tone mapping is very much in the realm of "CGI". Compare it to that of Fstorm and the difference becomes immediately noticeable. It's not a case of GI/light algorithms, it's purely how the the final image is tonally mapped using some sort of transform matrix to produce a pleasant and convincing "real" image.

It is the single biggest factor imo to producing a convincing image. You can have 100% spot on materials, lighting and modelling but if the tone mapping puts a 2005 Mental Ray sheen over it, it will never look great.

For some examples of great tone mapping take a look at: You'll notice just how balanced and "real" the images are. No ugly black crush, no washed out grey mids, no overly burnt cellphone style highlights, no neon colours under burnouts.

I was reading about the following and was wondering if this applies to Corona/3ds max in any way:

Cliff notes:

Anything that uses the Intel Math Kernel Library ( uses a discriminative CPU Dispatcher that does not use efficient codepath according to SIMD support by the CPU, but based on the result of a vendor string query. If the CPU is from AMD, the MKL does not use SSE3-SSE4 or AVX1/2 extensions but falls back to SSE1 no matter whether the AMD CPU supports more efficient SIMD extensions like AVX2 or not.

When fixed, the results are claimed to be: "AMD’s performance improves by 1.32x – 1.37x overall. Individual test gains are sometimes much larger. Obviously these results are much worse for Intel, changing what looked like a narrow victory over the 3960X and a good showing against the 3970X into an all-out loss."

Devs can you weigh in on this?

Hardware / Re: Threadripper Builds
« on: 2019-11-25, 15:03:38 »
So it seems there might be a 64 core part in the works for next year as well. Surprise! :)

I respect Linus for standing up to what he believes is right there. He did it in a very negative but still tasteful manner imho.

I'm torn between waiting for the 64 core part or getting the new 32 core now. Things seem to be scaling pretty linearly with the new 32 core in the blurred benchmark image above...however the 64 core may not scale as well as I doubt they will be able to sustain as high all-core boost clocks even with an over the top water cooling setup. I can see the CPU easily drawing 700w+ past 3.5ghz all core (if it's even possible to boost that high). So the 32 core might end up being the best bang for your buck?

Feature requests / Re: Improved Animation Support
« on: 2019-11-25, 14:49:14 »
Personally I'd like to do away with the UHD cache/animated UHD cache setup altogether.

Recently we've been doing a lot of animations with Fstorm with moving lights, objects and DOF with zero GI/AA flickering issues (and the speed is great too on a single 2080ti). The render times for the same scenes using Corona (on very good setups, even with heavy scene and sampling optimisation) was simply unacceptable.

Another point is that the animations somehow feel "smoother" in Fstorm despite both results being rendered at 24fps (with or without motion blur) - there's no choppiness on pans and zooms, but there always seems to be with Corona, and I end up having to use Optical flow to smooth out the Corona result. I think Corona really needs a revamp for animation purposes as the competition is hands down better. Case in point:
t=2s - this would be hell to render in Corona to achieve the same level of smoothness/cleanness.

However for complex interior/large exterior stills I still come back to corona for the vast plugin support and ease of use.

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