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LinusTech

Thread For Tech Quickie Video Suggestions

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explain what PCIE lanes are

how many are needed in SLI vs. Crossfire

what else uses PCIE lanes 

refer to threatrippers x64 lanes vs. intels 44 lanes on the top end products

explain why it is no issue for normal consumers

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how voltage regulation works, what the capacitors do in voltage regulation, VRMs, transistors, switches, etc. Why its bad to rely on capacitors for momentary high loads and why its better to over estimate your PSU by a lot (not to mention efficiency and heat too).

 

Im sick of explaining it here, too many false info about it in regards to PSU wattage and spikes.

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Something I became curious about a couple of days ago and would love to see the LMG team put a video together on it: 

 

What makes a GPU chip different from a CPU chip? Are they essentially the same but surrounded by different resources that allow them to perform their tasks better or are they completely different beside the silicon they are made of? 

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Some good ideas recently, folks.

 

Don't be surprised to see one or two of them in an upcoming episode.

 

Keep them coming...


I spell my name without an H!

Esse Quam Videri - Go Blue Devils

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How about some videos explaining all this CPU/GPU marketing words.

 

Like what are Teraflops or Floating Point performance or PCI Express lanes or Gigahash or folding performance and why I should care about them for playing games. 

 

 

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35 minutes ago, lobster_zoidberg said:

How about some videos explaining all this CPU/GPU marketing words.

 

Like what are Teraflops or Floating Point performance or PCI Express lanes or Gigahash or folding performance and why I should care about them for playing games. 

 

 

Thats 2 very seperate questions.

One is graphics which is math which most commonly uses 32 bit float (some use 64 bit or 16 bit). Infact old games and some games use fp16 on GPU (RIP pascal) since it uses less memory and is faster than fp32 so is used where fp32 isnt needed.

 

The other is different. Hashing is a memory concept, unlike arrays and lists it strives to have the advantage of both. The faster array performance, and the dynamic memory use of lists. Hashing has a math behind it totally different from graphics. Both CPUs and GPUs are good at it but GPUs have 10x more memory bandwidth than CPUs and many more "cores" to do the simple math involved.

 

They wont fit in 1 quickie episode, they are 2 totally different things.

 

The other thing is with games. Games have a 3D engine and a graphics engine. The 3D engine is done by CPU, data given to GPU which than renders the information. So for games 3D is calculated by CPU, graphics by GPU. 

 

Thats 3 episodes

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Sparc CPUs as fast as possible. They were impressive CPUs that died out. They had lots more cache, more levels of cache, hardware accelerators, RISC architecture, more threads per core (HT has 2, sparc had CPUs with 8 threads per core, such as a 16 core 8 thread per core CPU long before intel had that many cores in their xeon line). They were used in data crunching tasks too from oil and gas, military, medical, even network encryptions.

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On 14/8/2017 at 10:32 PM, lukestechtips said:

Crypto mining or bitcoin mining explained

They should also do a crypto mining rig on the main channel


Why is SpongeBob the main character when Patrick is the star?

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Can't find the normal video suggestion thread, not sure if you would choose to cover this in a quickie but:

 

Video about how you would dry wet electronics using IPA VS Air dry VS Rice etc.  

 

 

EDIT: THANKS LTT. This episode went out today. 11/10/17


Microsoft Certified IT Tech.

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Intel Atom vs. Celeron vs. Pentium vs. i3 vs. i5 vs. i7 vs. i9 vs. Xeon.

 

You could even add in E3, E5, E7, and the new bronze, silver, etc ones.


And on the first day god said: "Cue one GO" And there was light!

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On 4/29/2013 at 8:57 PM, LessThanSatisfactory said:

why a $120 card like this 7770 http://www.newegg.com/Product/Product.aspx?Item=N82E16814121642R with 2gb of ram and core clock at 1ghz is worse than this gtx 680, http://www.newegg.com/Product/Product.aspx?Item=N82E16814121634 even though they both have 2 gigs of ram and share similar clock speeds, and the 7770 is 4 times cheaper.

Did you check who was really selling it? NewEgg sells from different vendors now, who will price gouge.

 

On 5/2/2013 at 6:27 PM, Ps_domingo said:

Things to looks for in fans.

 

- Noise levels

- CFM

- RPM

M3/H

 

Or even positive and negative pressure. :)

I think the biggest one that confuses people is high static pressure fans vs. regular fans.

 

And they have an ongoing experiment regarding positive vs. negative case pressure, but Silverstone has an article and a video or two on why they designed their cases for positive pressure.

 

 

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Hi

 

An episode on hardware conflicts would be nice.

Difference between IRQ and DMA and perhaps why this was important for soundcards in the past.

I still remember those days, but never really understood it.

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Different types of solar cell technologies. Monocrystalline and polycrystalline silicon, what commercial stuff uses; Gallium Arsenide single and multijunction cells; Thin Film technology; and other new stuff. This chart is excellent for discussing efficiency: efficiency_chart.jpg

 

 


My current fleet!
Zerua - Workstation - i7-6700k, 32gb DDR4, GTX1070 | Azalera - Surface Pro 4 - i7-6650U, 16gb | Sarea - FreeNAS Server - E5-2407 1.2TB RAIDZ2

 

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suggestion for ltt video(s), personal rig videos for staff, let their personality show with however clean/messy, old/new, etc. their personal rig is. seems interesting.

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