Personal computing discussed

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by synthtel2
Sun Sep 16, 2018 3:27 pm
Forum: General Hardware
Topic: Laptop turns off suddenly
Replies: 44
Views: 1358

Re: Laptop turns off suddenly

As long as the laptop is running, I don't see moisture as a big concern if you stick it in the fridge. Condensation happens when air hits a colder surface and is cooled down. WIth a powered on laptop, this is the opposite. The laptop is hotter than the air around it, which will cause the relative h...
by synthtel2
Sat Sep 15, 2018 3:39 pm
Forum: General Hardware
Topic: Laptop turns off suddenly
Replies: 44
Views: 1358

Re: Laptop turns off suddenly

Overheating will never be a complete explanation, since it at at least one point refused to turn on at all when cold, correct? It may still be some portion of the problem. Moisture may very easily be a problem if you put it in the fridge. The air in the fridge is dry, but the air inside the laptop w...
by synthtel2
Fri Sep 14, 2018 6:55 pm
Forum: Gaming
Topic: Suggest Games with 4K graphics
Replies: 11
Views: 731

Re: Suggest Games with 4K graphics

Were it just that, we should be here all day listing half the games released in the last 5 years. :-?
by synthtel2
Fri Sep 14, 2018 4:18 pm
Forum: Gaming
Topic: Suggest Games with 4K graphics
Replies: 11
Views: 731

Re: Suggest Games with 4K graphics

I don't follow the question. (Not this thread specifically, the question just seems to come up a lot.) Just about anything will look better if you throw more pixels at it, and just about nothing actually needs those pixels for anything. There mostly aren't big technical limitations related to 4K at ...
by synthtel2
Thu Sep 13, 2018 3:28 pm
Forum: SFF Station
Topic: Fire Extinguisher PC
Replies: 13
Views: 740

Re: Fire Extinguisher PC

This'll be cool. :) Would a 120mm radiator fit vertically (blowing horizontally)? It'd take plates blocking the bottom of the exhaust chamber and top of the intake chamber, but that shouldn't be too difficult. That may make wiring extremely tight and not leave any space at all for the 3.5" driv...
by synthtel2
Tue Sep 11, 2018 4:00 pm
Forum: Gaming
Topic: High or low fps?
Replies: 37
Views: 2427

Re: High or low fps?

Input sampling has been a pretty standardized thing (sample at the start of each frame) until recently, and framerate does affect latency greatly. In a typical setup, you've got a pipeline that looks like CPU sim -> CPU render -> GPU render. If you add together the time they all take, you get the lo...
by synthtel2
Sun Sep 09, 2018 9:18 am
Forum: General Software
Topic: Chrome 69 and URL mangling
Replies: 7
Views: 371

Re: Chrome 69 and URL mangling

I hear purports that it doesn't just strip a leading www, but wwws occurring anywhere in the domain/subdomain, resulting in trouble like [example . www . com] rendering as example.com. :o Apparently m subdomains are affected the same way as www, which sounds like a real pain even when everything's w...
by synthtel2
Thu Sep 06, 2018 3:17 pm
Forum: Gaming
Topic: High or low fps?
Replies: 37
Views: 2427

Re: High or low fps?

It could be latency just doesn't bug you much. I know I'm more sensitive to it than most, and presumably some of those game reviewers are too. It is interesting as a possible explanation of why 30 fps was the target not that long ago and 60 is now. I doubt that's entirely just gamers having higher s...
by synthtel2
Fri Aug 31, 2018 1:32 pm
Forum: Gaming
Topic: High or low fps?
Replies: 37
Views: 2427

Re: High or low fps?

MileageMayVary wrote:
I don't understand game reviews that call 45 frames "completely unplayable" like anything under 60 is garbage.

At a UE3-ish tech level, 45 is fine, maybe even good. In recent stuff with more aggressive frame pipelining, 45 tends to make the mouse feel like it's moving through molasses. :(
by synthtel2
Thu Aug 30, 2018 5:04 pm
Forum: Gaming
Topic: High or low fps?
Replies: 37
Views: 2427

Re: High or low fps?

It probably most resembles TSSAA. An interesting side-effect of visual acuity's reliance on post-processing is that it can be meaningfully trained. 42 and 84 are numbers that get thrown around a lot, but they're not that precise. The research referenced by the article Chrispy_ linked observed freque...
by synthtel2
Mon Aug 27, 2018 8:26 pm
Forum: Windows
Topic: Poissibly Windows 10's most intuitive feature?
Replies: 31
Views: 1397

Re: Poissibly Windows 10's most intuitive feature?

That doesn't work in Win7? Huh. Openbox (Linux) also has it, and I never really thought about it much. Maybe back when I used Win7 I didn't have enough screen space to make a habit of not maximizing windows (1440x900).

If that disappeared now, I'd definitely miss it.
by synthtel2
Mon Aug 27, 2018 8:19 pm
Forum: Graphics
Topic: New HTPC GPU - GT1030 - but where are they?
Replies: 12
Views: 702

Re: New HTPC GPU - GT1030 - but where are they?

Maybe something along these lines could do the trick, but the C/W numbers just aren't very good, despite that being all-copper and pricey (hinting at why passive single-slot cards don't exist). That one might just about do it for HTPC use if you ensure good ambient airflow (assuming the RAM can be l...
by synthtel2
Mon Aug 27, 2018 7:57 pm
Forum: Graphics
Topic: New HTPC GPU - GT1030 - but where are they?
Replies: 12
Views: 702

Re: New HTPC GPU - GT1030 - but where are they?

This one is the best I see, but point 3 is missing and DDR4 to get power consumption down (for lower noise) is a harsh tradeoff. There is a GDDR5 version that looks identical aside from the memory and hotter clocks, but noise may not be great to start with and it sounds like you may be restricting ...
by synthtel2
Sun Aug 26, 2018 10:49 pm
Forum: Graphics
Topic: Shadow of the Tomb Raider's performance on the GeForce RTX 2080 Ti with ray tracing enabled - 30fps @ 1920x1080
Replies: 47
Views: 1705

Re: Shadow of the Tomb Raider's performance on the GeForce RTX 2080 Ti with ray tracing enabled - 30fps @ 1920x1080

https://www.youtube.com/watch?v=HSmm_vEVs10 Actual paper here: http://cg.ivd.kit.edu/svgf.php No neural networks needed, successful with just 1-spp. From what I can tell from the papers, the temporal-denoising was the big advancement. Simple spacial denoising has been done for a while, but the &quo...
by synthtel2
Thu Aug 23, 2018 9:55 pm
Forum: Linux, Unix, and Assorted Madness
Topic: Steam Play beta integrates Wine
Replies: 18
Views: 974

Re: Steam Play beta integrates Wine

These games are a relatively tough sampling for Wine to handle. I wanted to give it a good workout. Skyrim and ME2 are easy, Deus Ex is theoretically easy, DX:HR and Mirror's Edge are easy to run but tough to run well, I've never gotten JC2 or Worlds Adrift running in Wine (the former because last t...
by synthtel2
Thu Aug 23, 2018 7:26 pm
Forum: Windows
Topic: Missing Directory
Replies: 17
Views: 438

Re: Missing Directory

I interpret the question as being about recovering the lost data - is that right? It does seem likely the metadata is all that's gone and there's some way to recover most of it, but it may not be at all easy. Aren't there automated tools that can scan unallocated space and make some attempt to piece...
by synthtel2
Thu Aug 23, 2018 2:35 pm
Forum: Linux, Unix, and Assorted Madness
Topic: Steam Play beta integrates Wine
Replies: 18
Views: 974

Re: Steam Play beta integrates Wine

Wine CPU performance I had been thinking was very impressively close to parity in 2018, but it just turned out my CPU has been effectively running at ~3/4ths speed when in Windows. That might be a decent measure of the slowdown. GPU-side, I think AMDGPU is a bigger issue than Wine most of the time (...
by synthtel2
Wed Aug 22, 2018 9:31 pm
Forum: Linux, Unix, and Assorted Madness
Topic: Steam Play beta integrates Wine
Replies: 18
Views: 974

Steam Play beta integrates Wine

https://steamcommunity.com/games/221410/announcements/detail/1696055855739350561 The performance improvements are nice and all, but the real story is in ease of use. The baseline knowledge required for Wine gaming is now the same as for native Linux gaming. Given how they've built it, I expect that...
by synthtel2
Tue Aug 21, 2018 11:31 pm
Forum: Windows
Topic: Win10 / R7 1700 frequency control problem
Replies: 10
Views: 668

Re: Win10 / R7 1700 frequency control problem

Here's some more data (generated by the code at the bottom of this post, output via stb_image_write ). Sorry about the odd presentation. I didn't put much work into it (obviously), and stbi_write_png() can't seem to handle more output pixels than that. As far as I can tell, it makes not a shred of ...
by synthtel2
Tue Aug 21, 2018 7:16 pm
Forum: Graphics
Topic: Shadow of the Tomb Raider's performance on the GeForce RTX 2080 Ti with ray tracing enabled - 30fps @ 1920x1080
Replies: 47
Views: 1705

Re: Shadow of the Tomb Raider's performance on the GeForce RTX 2080 Ti with ray tracing enabled - 30fps @ 1920x1080

Reflections / Refractions are one of those other things that require raytracing. Although I'm not entirely sure if it really "adds" to the scene aside from realism. The thing is, without studying caustics / reflections / refractions, its very difficult to know what they are supposed to lo...
by synthtel2
Tue Aug 21, 2018 5:17 pm
Forum: Graphics
Topic: Shadow of the Tomb Raider's performance on the GeForce RTX 2080 Ti with ray tracing enabled - 30fps @ 1920x1080
Replies: 47
Views: 1705

Re: Shadow of the Tomb Raider's performance on the GeForce RTX 2080 Ti with ray tracing enabled - 30fps @ 1920x1080

A shadow map definitely emulates the effect. But I'm not convinced it is the same. [...] Shadow maps take some extensions to do that, but they can. PCSS (from way back in 2005) is a good example. I like the idea of SAVSMs to go with it (but haven't tried any such thing). There may still be a lot mo...
by synthtel2
Tue Aug 21, 2018 3:08 pm
Forum: Graphics
Topic: Shadow of the Tomb Raider's performance on the GeForce RTX 2080 Ti with ray tracing enabled - 30fps @ 1920x1080
Replies: 47
Views: 1705

Re: Shadow of the Tomb Raider's performance on the GeForce RTX 2080 Ti with ray tracing enabled - 30fps @ 1920x1080

There's presumably a lot of room left for them to work out performance issues, but I wouldn't be surprised if 1080p30 at max settings is an accurate characterization of it either. Everything shadow-related I see there can be done by shadow maps, it's just kind of expensive (probably much cheaper tha...
by synthtel2
Mon Aug 20, 2018 8:36 pm
Forum: Motherboards, Chipsets, & RAM
Topic: semi fanless motherboards
Replies: 18
Views: 1216

Re: semi fanless motherboards

I'm terribly late seeing this, but ASRock fan controls go to 0%, which has the effect you're looking for. Certain fans ignore PWM signals below some threshold, but most cut to zero below 20-30% on PWM or 40-50% on voltage control. I would not recommend setting an AMD system up this way, since most o...
by synthtel2
Sun Aug 19, 2018 2:29 am
Forum: Windows
Topic: Win10 / R7 1700 frequency control problem
Replies: 10
Views: 668

Re: Win10 / R7 1700 frequency control problem

Interesting. I run everything at stock and haven't seen any problems - I would really have to try Planetside to see what's going on. Could it be the latest Windows release? or the Spectre/Meltdown CPU patch? Stock doesn't fix it, it isn't specific to Planetside, and it's probably been broken for th...
by synthtel2
Sat Aug 18, 2018 1:56 pm
Forum: Windows
Topic: Win10 / R7 1700 frequency control problem
Replies: 10
Views: 668

Re: Win10 / R7 1700 frequency control problem

Nah. I got a replacement under warranty for the compile bug, and the idle crash bug isn't very onerous to fix either way (base VSoC at 2666 is only 0.912V for this chip). Remember the buggy behavior going on now actually appears worse with global C-state control enabled than disabled, and it has bee...
by synthtel2
Sat Aug 18, 2018 1:02 pm
Forum: Windows
Topic: Win10 / R7 1700 frequency control problem
Replies: 10
Views: 668

Re: Win10 / R7 1700 frequency control problem

That deserves a bit more explanation; global C-state control is supposed to be strictly uncore, leaving core C-states working normally. It doesn't affect idle power consumption much.
by synthtel2
Sat Aug 18, 2018 1:00 pm
Forum: Graphics
Topic: Upgrade from RX480 to nVidia?
Replies: 27
Views: 1116

Re: Upgrade from RX480 to nVidia?

What's your CPU and what sort of games do you play most?
by synthtel2
Fri Aug 17, 2018 8:33 pm
Forum: Windows
Topic: Win10 / R7 1700 frequency control problem
Replies: 10
Views: 668

Re: Win10 / R7 1700 frequency control problem

The lesser-known early Zen bug. In the absence of a fix, my system randomly reboots every week or so. The more common fix is just to crank VSOC way up (as happens automatically when running DDR4-2800 or higher).
by synthtel2
Fri Aug 17, 2018 7:39 pm
Forum: Windows
Topic: Win10 / R7 1700 frequency control problem
Replies: 10
Views: 668

Win10 / R7 1700 frequency control problem

When I tell Windows to always run the CPU at 100% speed, Planetside gains ~30% to minimum framerates (finally bringing it in line with everyone else's numbers). This also fixes the problem with that memory latency bench where Windows is slower (~130 ns) than Linux or Wine (both ~114 ns). I spend lit...
by synthtel2
Sat Aug 11, 2018 1:46 pm
Forum: System Builders Anonymous
Topic: Do a stop-gap build? Or go whole hog? ("Pentium Gold" v. "Ryzen," and other curiosities)
Replies: 25
Views: 1742

Re: Do a stop-gap build? Or go whole hog? ("Pentium Gold" v. "Ryzen," and other curiosities)

I like option 2's general direction. The stop-gap (1) will show its low-end nature pretty quickly, and waiting (3) won't get you that much relative to the improvements that have already happened since you built/upgraded your current system. Aside from 2C4T and 8GB of RAM being weak for the long haul...
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