A CPU With One HUGE Core

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Techquickie

Techquickie

Жыл бұрын

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Could we have a processor that has just one really big, really fast core?
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Пікірлер: 1 900
@TazerXI
@TazerXI Жыл бұрын
One consideration which I believed you mentioned before (on a Wan Show or something) is clock speed and power consumption. From what I remember, for a single core to be effective, it should execute more instructions per second to make up for the lost cores. The added clock speed massively increases power consumption non linearly, so by adding more clock speeds, the power consumption would be too much to handle in such a small area. This is why large core CPUs have slower speeds, but not that much slower (e.g with still over half the speed, but 4 to 6x the number of cores).
@johndoh5182
@johndoh5182 Жыл бұрын
Single cores ARE effective at light workloads. But, not for a do everything device like a PC. You couldn't clock a core fast enough, or the design of the core would be SO incredibly complex because it would have to be doing about 10 instructions per clock cycle for today's PC users to be content with it. What he didn't talk about is just how many processes a modern PC is running at any given time, and it doesn't matter that most of them are light tasks. What matters is how many threads get generated by all these light tasks, to where if you're doing something heavy, the CPU would constantly have to swap out that heavy task to do lightweight tasks and every time you do that it's a big penalty hit, and THAT is why modern PCs have or should have at least 4 core/8 thread CPUs. And of course that doesn't even begin to be good enough anymore for newer games that can load a 5950X (32 threads) to 40% (Matrix Awakens based on UE5 using Lumen and the other main effect it uses). 40% of a 16c/32t CPU = 160% of a 4c/8t CPU if everything else is the same, meaning the CPU is always a bottleneck, by a LOT. Economics dictate that modern PCs have CPUs that have cores that aren't overly complicated or have to run 3X the speed they do today which is LITERALLY impossible because the higher the clock speed the higher the resistance (reactance) in the circuit which means they turn into a fireball. So better to have many cores that can run slower, use less electricity, and you can process many threads at the same time. Designing a core that could run more than 2 threads is basically the same thing as adding more cores, but it's much more complicated. And while modern ICs made by TSMC or Samsung or Intel where the increase in resistance is non-linear, through most of the frequency range that companies use it LOOKS linear. It's on a part of a curve that looks more flat. That's one of those neat things about exponential growth. The curve is changing at a different rate along the curve, but you can have part of that curve near the vertex that looks linear for a time period because the change is small. And that's what happens in an electrical circuit with a clock signal. The clock acts like an AC circuit and the higher the frequency, the greater the resistance. The greater the resistance, the more power is consumed to HEAT, and not to powering the circuit ever faster.
@alexatkin
@alexatkin Жыл бұрын
Kinda bizarre he didn't cover that seeing as it was a big reason for going multi-core in the first place as clock speed and IPC improvements became less and less each generation.
@gogereaver349
@gogereaver349 Жыл бұрын
@@alexatkin yes they hit a wall at around 5 gigherts. a wall they still face today but thanks to stacking cores they kind of worked around it.
@blaze909
@blaze909 Жыл бұрын
I'd say IPC is more important than speed
@TazerXI
@TazerXI Жыл бұрын
@@blaze909 yes, ipc is very important. Increasing the ipc of a single core compared to multiple cores will increase the speed likewise to adding more clocks (more instructions per clock compared to more clocks). I don't know as much of how ipc affects pier consumption though, compared to core counts. The main point was that I had though Linus said this before, and that I knew increasing clock speeds was non linear so you get more performance per watt out of adding cores compared to clocks.
@BobMotster
@BobMotster Жыл бұрын
Linus called it "As Fast As Possible". Old habits die hard.
@Drazil100
@Drazil100 Жыл бұрын
I believe they still call it Fast As Possible or "FAP" internally (cause it's funny). That's my guess as to why he slipped on the name.
@alokedasgupta65
@alokedasgupta65 Жыл бұрын
4:52 That's how they added the caption: What year is it? :)
@captainkeyboard1007
@captainkeyboard1007 Жыл бұрын
The name is Linux
@bijeshshrestha2450
@bijeshshrestha2450 Жыл бұрын
@@captainkeyboard1007 ?
@hgpot
@hgpot Жыл бұрын
When did that stop being the name?
@_timespace_
@_timespace_ Жыл бұрын
This is the core video we needed.
@timserious7678
@timserious7678 Жыл бұрын
​@DMONEYINDUSTRY and my mom says i am the dumbest person, glad i found one of my kind
@ethearnos6397
@ethearnos6397 Жыл бұрын
hardcore
@MattEliteStorm
@MattEliteStorm Жыл бұрын
Not really I knew it wouldn't work, CPUs have multiple cores for a good reason.
@bomb00000
@bomb00000 Жыл бұрын
Okay dad
@richieqs7789
@richieqs7789 Жыл бұрын
@@bomb00000 Lets end this thread already
@niceguy7270
@niceguy7270 Жыл бұрын
Wait a minute, this is not a crypto scam?!?! I subscribed for crypto scams. Unbelievable how far Tesla has fallen as a channel. Hope everything is restored to the way it was before ❤
@RageyRage82
@RageyRage82 Жыл бұрын
You ok bud?
@patrickwestfall4693
@patrickwestfall4693 Жыл бұрын
Lmao😂 Dude I almost spit out my drink that was funny
@MufflesTG
@MufflesTG Жыл бұрын
For anybody wondering this comment was most likely made when this entire channel got hacked such as how the Linus Tech Tips KZfaq Channel got hacked. I don't need to really explain anything besides search up Tesla Scam Hack or something related to that and you will probably find videos about it.
@A.Khalid
@A.Khalid Жыл бұрын
😂😂😂😂😂😂😂😂😂
@da_pwo
@da_pwo 3 ай бұрын
@@RageyRage82guess you didn’t hear about the incident
@FatherManus
@FatherManus Жыл бұрын
On the positive side of them being hacked: This is going to create the most watched WAN show of all time when they get their accounts back
@michaelrichter2528
@michaelrichter2528 Жыл бұрын
What was the channel name before they got hacked? Techquicky? Ltt has so many channels now that I can't remember
@_Bilal_786
@_Bilal_786 Жыл бұрын
@@michaelrichter2528 Yes, TechQuickie
@fikrilatib8275
@fikrilatib8275 Жыл бұрын
What happen to linus tech tips channel.
@michaelrichter2528
@michaelrichter2528 Жыл бұрын
@@fikrilatib8275 Linus was so nice and gave Elon Musk himself the opportunity to give back to the community by doubeling their crypto. /s Joke aside, their channel got hacked by scammers. This has happened before to another channel i watch in the exact same manner.
@_Bilal_786
@_Bilal_786 Жыл бұрын
@@fikrilatib8275 it’s been hacked. The main channel has been terminated, though I’ve heard it’s being restored
@MrGamelover23
@MrGamelover23 Жыл бұрын
The PS3 has one huge core and a bunch of sub-cores for specialized tasks. It was unlike anything anyone had ever seen before...which was bad, because it made developing for it SUPER hard.
@Zyo117
@Zyo117 Жыл бұрын
I remember rumors back in the day on the other hand that the military or a university or something bought a ton of them to make a supercomputer.
@TMHedgehog
@TMHedgehog Жыл бұрын
@@Zyo117 Those rumours were true, it was a military supercomputer for image analysis purposes. The hardware was a downright bargain compared to more 'traditional' image processing hardware.
@Stardust51
@Stardust51 Жыл бұрын
@@Zyo117 Those were actually real. The Air Force had one called "Condor Cluster" and the University of Massachusetts had one that studied black holes
@DominikJaniec
@DominikJaniec Жыл бұрын
well, coprocessors are (I believe) older than half of a century, and by "definition" they are _specialized_, thus I'm not sure, if PS3 had "anything anyone had ever seen before"
@dnawalahmed2979
@dnawalahmed2979 Жыл бұрын
@@Zyo117 There was actually a supercomputer made by the US Air Force (1760 of them)
@MyNameIsBucket
@MyNameIsBucket Жыл бұрын
Can't wait for the "Windows 11 on a single-core CPU challenge" video next week!
@DJSekuHusky
@DJSekuHusky Жыл бұрын
Considering how poorly Windows 10 Pro runs on a Celeron (1 core, 2 threads), I can't imagine it goes well...
@smcelrea
@smcelrea Жыл бұрын
I've done it with a 5800x3d... its surprisingly fine and can handle quite a few applications at once (as long as you don't launch any games)
@randomgamingin144p
@randomgamingin144p Жыл бұрын
@@DJSekuHusky pentium 4 was faster than celeron d because more cache
@swimfan6292
@swimfan6292 Жыл бұрын
It's already possible to limit the cores in certain motherboards and test per individual
@garmancathotmailcom
@garmancathotmailcom Жыл бұрын
@enrique amaya RAOTFLMFAO.
@uplink-on-yt
@uplink-on-yt Жыл бұрын
I think Intel tried the "huge core" idea for a while: NetBurst / Pentium 4. Good for both stream editing (if not much else) and heating up the house.
@GRBtutorials
@GRBtutorials Жыл бұрын
NetBurst(IntoFlames)
@WiiNV
@WiiNV Жыл бұрын
L🤭L Inhell Combustible Furnace Inside 🌚💥
@segalliongaming8925
@segalliongaming8925 Жыл бұрын
The first few iterations of Pentium 4, a.k.a. Willamette and Northwood, were moderately successful. However with Prescott, Intel tried to accelerate toward 10 GHz, only to run into a wall at 3.8 GHz because of power and heat. AMD took advantage of this misstep, and Intel had to take a “right-hand turn” with the lower-clocked Nehalem.
@ellenorbjornsdottir1166
@ellenorbjornsdottir1166 Жыл бұрын
NetBurst was a fast core, not a huge core. A huge core would be massively parallel, almost like multiple cores
@honkhonkler7732
@honkhonkler7732 Жыл бұрын
It wasn't that big of a core. If anything, it was very underbuilt, particularly in terms of branch prediction logic which was the cause of pipeline stalls that made for poor efficiency (the P4 had a much longer pipeline than the P3, so a stall carried a much bigger performance penalty). A huge core would get much more done per clock and wouldn't have hit 3.8Ghz on the nodes of the day. Conroe's release in 2006 represented a shift back to efficient cores with shorter pipelines and lower clock speeds. Intel later returned to long pipelines with Nehalem but the nodes were small enough this time to devote much more logic to cache and branch prediction and finally allowed Intel to combine the efficiency benefits of the P6 architecture with the raw throughput potential of NetBurst now that pipeline stalls were exponentially less common.
@7861jamal7861
@7861jamal7861 Жыл бұрын
If only Linus used today's sponsor, Nord VPN.
@Nomi-D-Yagami
@Nomi-D-Yagami Жыл бұрын
Lol
@kevinmacallister4491
@kevinmacallister4491 Жыл бұрын
I do really wish I had a computer with one big core for dwarf fortress. That game is famous for being CPU hungry but also single threaded.
@DoktorNaibmys
@DoktorNaibmys Жыл бұрын
Same thing for Kerbal Space Program
@alexandruilea915
@alexandruilea915 Жыл бұрын
Ask the developers to rewrite the code to make use of more cores.
@FL4SHK
@FL4SHK Жыл бұрын
​​@@alexandruilea915 This is not always possible. Not every algorithm can be parallelized.
@galacticviper4453
@galacticviper4453 Жыл бұрын
Also Minecraft lol
@pirojfmifhghek566
@pirojfmifhghek566 Жыл бұрын
You might joke, but I honestly think that this is the logical next step for the big.LITTLE designs. I think CPUs should come with another tier of performance cores. There should be at least one or two "Big Chungus" cores that get preferential priority for single-threaded tasks. But they'd need to do it as a chiplet design, because of the obvious economical drawbacks of wafer fabrication. If they're on their own chiplet, not only would they be easier to fab, but they'd be easier to load up with tons of cache on those chiplets (without requiring 3D v-cache) so they can totally obliterate single-threaded tasks. Intel has big.LITTLE, but AMD has chiplets. When both companies start to bridge that gap and combine the technologies, I would really hope that we see this happen. I want chungus cores. I need chungus cores. My copy of Photoshop demands it.
@zantherone2212
@zantherone2212 Жыл бұрын
Highly informative A good analogy would be if we want to increase the throughput of a highway, increasing the number of lanes is more practical than increasing the speed limit and having faster vehicles
@mycosys
@mycosys Жыл бұрын
more lanes actually just means more vehicles able to park on the highway in the real world, it doesnt end up increasing throughput much, just acts as a buffer
@Njazmo
@Njazmo Жыл бұрын
@@mycosys In real world, you're not allowed to park on the highway. 😂
@NeilBooth
@NeilBooth Жыл бұрын
People are still gonna go to the race track on the weekend
@The-One-and-Only
@The-One-and-Only Жыл бұрын
were you hacked?? YOU GUYS??? HOW THE FUCK, no one’s safe
@vectoralphaAI
@vectoralphaAI Жыл бұрын
Of course no one is safe from being hacked.
@The-One-and-Only
@The-One-and-Only Жыл бұрын
@@vectoralphaAI well duh, but you might think that these guys have at least 2FA
@sirlordofderp
@sirlordofderp Жыл бұрын
Pov: you woke up to them being hacked
@matthewshields
@matthewshields Жыл бұрын
I believe that people need at least a quad core CPU today.
@samiraperi467
@samiraperi467 Жыл бұрын
Depends, my use tends to be harder on memory than on CPU. Doesn't mean I don't have two 12 core PCs though. :D
@doq
@doq Жыл бұрын
nah. just one big core.
@keagantomlnson6942
@keagantomlnson6942 Жыл бұрын
Would love to see what would be possible if we only had 1 extreme core , like 1 core 15ghz 😂
@ccibinel
@ccibinel Жыл бұрын
The diminishing returns past 4 cores still largely applies unless software is very well written for it. Having insane core counts is often useless for gaming but the reason intel was the gaming king and stuck with 4 cores for soo long was it made sense. Some workloads like web servers, video editing and some scientific workloads can parallelize really well but most cant so outside of the windows background junk needing some time it is really about the main program and if it multithreads well. It would be good to see a performance analysis on low core count vs high core count CPUs in the same generation/architecture with the same cooling as it relates to a variety of games and workloads.
@Voreoptera
@Voreoptera Жыл бұрын
@@keagantomlnson6942 15ghz would not be possible due to thermal limitations. But you could increase the number of instructions per clock cycle You would still be limited on the size of the core.
@SchardtCinematic
@SchardtCinematic Жыл бұрын
I remember in the early 2000's the reason they had to add cores and hyper threading was because at the time they had reached the limit on how fast a single core chip could go and not over heat as well. I guess by now technology has advanced enough they could put it all on one chip again. I guess.
@mtlspider
@mtlspider Жыл бұрын
not it hasnt,you still have a clock limit its just higher now,back in the day they thought we would have 10ghz cpus by now
@SchardtCinematic
@SchardtCinematic Жыл бұрын
@metalspider I was thinking more hypothetically about how far technology has come since the early 2000's That a single chip could be made more advanced now. But it would be impractical as Linus said. I remember my second PC a Dell 8300. Had a single core Pentium 4 with Hyper Threading. For the time when I bought it in 2004. It was nice and fast. But yeah my current PC was built in 2017 and I put a 6th Gen i7 in it and it still holds up well today.
@shhhvcnear
@shhhvcnear Жыл бұрын
@@SchardtCinematic You don't think they are trying to make the fastest cores they can? They already are, man. There are already high performance + low power usage designs that would fit perfect with higher speed cores but their designs with that.... just use the same cores they already have. If they could make faster single cores, I guarantee you they wouldn't let AMD take the lead on gaming CPUs.
@joeffreylegaux7959
@joeffreylegaux7959 Жыл бұрын
Technology on the X86 architecture has not drastically changed, the individual cores of nowadays CPUs are as advanced as you can get. A "big single core" instead of 4 smaller cores does not actually make any sense. I oversimplify a bit, but once your core contains all the needed components to execute a program (arithmetic unit, logical unit, control unit, memory unit) it is done and there is little you can add to improve its performance. Now if you put 4 of each unit into the core in order to be able to process 4 programs at once you effectively have a 4 cores CPU in disguise which bears the same programming and usage constraints as any other 4 core CPU. If you want a single core to do the same amount of processing as 4 cores you need to run it at 4 times the frequency (ignoring memory latency issues). Now physics are pretty inflexible in this matter, to increase 4 times the frequency, you need to increase the voltage and thus power consumption by 16, which is basically impossible to cool. The common workaround is to replace cores with multiple cores at a lower frequency allowing more theoretical processing power per watt, GPUs are a perfect example of this but CPUs also follow that trend (e-cores in intel, ARM processors such as the M1...) because there simply is currently no other feasible way to get more performance.
@GSBarlev
@GSBarlev Жыл бұрын
​@@mtlspider Confounding that projection even further is the fact that it was the mid-2000s (and explicitly when AMD started being competitive and x86_64 started taking off) that we saw some great innovations that caused major leaps in the computations performed per clock cycle. So clock speeds may have not gone up hugely in between my 3.7GHz Phenom II and my later 4.4GHz Haswell, but _for sure as heck_ that newer Intel chip beat the pants off my old AMD CPU.
@Post_Stall_Maneuver
@Post_Stall_Maneuver Жыл бұрын
linus gets hijacked 2023
@jadesded
@jadesded Жыл бұрын
*_Always sunny in Philadelphia theme plays_*
@wardfiction5693
@wardfiction5693 Жыл бұрын
HAHAHAHAHA Never thought that would happen... Red face moment...
@jonhevaragg7419
@jonhevaragg7419 Жыл бұрын
Why would you need a single core cpu if you can get elons bitcoins
@mightylink65
@mightylink65 Жыл бұрын
While most games use 1 core for it's main render thread it's still better to free up resources by having other tasks spread across other cores. Going back to 1 core will bring back certain performance hits and stuttering from the past...
@saricubra2867
@saricubra2867 Жыл бұрын
Hogwarts Legacy, only 4 threads. 2007 Crysis, also 4 threads (or two?).
@GSBarlev
@GSBarlev Жыл бұрын
Linus does a great job in the video highlighting how even *two* cores was game-changing, because when one thread locked up the other could still execute commands (notably, as I recall, killing the zombie thread)
@zsombor_99
@zsombor_99 Жыл бұрын
But using just one core for a game can effect the performance negatively... 🙄
@Steamrick
@Steamrick Жыл бұрын
Most modern titles will use at least four cores. There are a number of games that run faster on 8 or more cores. Some games start stuttering or don't launch at all on anything smaller than a quadcore CPU. Current consoles allow games to use 6.5 cores (with SMT), so you can expect game devs to program with that in mind.
@wujekcientariposta
@wujekcientariposta Жыл бұрын
@@Steamrick There is no reason those 6.5 or 8 threads or whatever couldnt be scheduled on a single core, the issue is technology limits. I guarantee you that other impractical limitations aside, a single 32 ghz core of same architecture would be faster than 8x4ghz ones for gaming, in the same vain if they could practically do half as many twice as fast cores, that would be better too.
@savagepro9060
@savagepro9060 Жыл бұрын
The CPU industry is so well CORE-ographed.
@ieatdirtwasntavailable
@ieatdirtwasntavailable Жыл бұрын
AAAAAH
@ZacharyNoah
@ZacharyNoah Жыл бұрын
Ha! Love that!
@REAPERSXP
@REAPERSXP Жыл бұрын
Ba Dum Tss
@IlMemetor72
@IlMemetor72 Жыл бұрын
Please leave.
@SpiritmanProductions
@SpiritmanProductions Жыл бұрын
🗣📢 "Taxi for SavagePro"
@Zeyek1
@Zeyek1 Жыл бұрын
at this point i wouldn't be surprised if mutahar from someordinarygamers gets hacked
@mateodupetit4842
@mateodupetit4842 Жыл бұрын
Damn linus got hacked, no one is safe anymore
@perpetualcollapse
@perpetualcollapse Жыл бұрын
Bro fr. These are THE tech guys. If they got hacked then nobody is safe.
@akaEch0
@akaEch0 Жыл бұрын
@@perpetualcollapse Doesn't mean they're interested in cyber security.
@perpetualcollapse
@perpetualcollapse Жыл бұрын
@@akaEch0 Have you seen their videos? Cope.
@akaEch0
@akaEch0 Жыл бұрын
@@perpetualcollapse I don't think that word means what you think it means.
@perpetualcollapse
@perpetualcollapse Жыл бұрын
@@akaEch0 I like how you didn’t answer my question. Cope. 😂 They’ve done lots of cybersecurity videos on their other channels and talk about hacks on TechLinked. You’re probably part of the scammers.
@dorriankarnett
@dorriankarnett Жыл бұрын
LTT main channel removed, now this channel is hacked. I think they have the entire network of channels in their hands. One channel is over, go to the second and so on.
@mahjonglegendISLAM
@mahjonglegendISLAM Жыл бұрын
Elon musk didn't liked your Twitter jokes Linus
@daunidebil
@daunidebil Жыл бұрын
Rest in peace, Linus Channel Industry...
@dicey-bd4hh
@dicey-bd4hh Жыл бұрын
It will be back in 2 days dw
@Zer-je7nq
@Zer-je7nq Жыл бұрын
dont scan the *QR* code in the stream
@midojadmj6198
@midojadmj6198 Жыл бұрын
Yeah
@LunaForeverr
@LunaForeverr Жыл бұрын
At least they left the videos up here..
@Karl2Peter
@Karl2Peter Жыл бұрын
true!
@tsu08761e
@tsu08761e Жыл бұрын
i think they might delete them soon
@organizedbonfire2649
@organizedbonfire2649 Жыл бұрын
Big F for Linus Media Group at the moment. Hopefully this hack gets sorted out.
@tmcg225
@tmcg225 Жыл бұрын
Main channel's been terminated and this one has been hacked! The other ones might be next!
@bigbatt5470
@bigbatt5470 Жыл бұрын
I got no LTT to watch but stuck with that Tesla hack bullsh** so here I am watching shorts I’ve watched before
@InternetStorm
@InternetStorm Жыл бұрын
This is NOT the channel I was expecting when I saw another person got hacked.
@pablochocobar074
@pablochocobar074 Жыл бұрын
Fr 💀
@tehs3raph1m
@tehs3raph1m Жыл бұрын
I like the arm method. 1 main turbo super core. A couple other strong cores and a half dozen or more efficiency cores. Shift background crap to e cores, run your main thread on main core, allow secondary power cores to chip in with multi threaded workloads.
@gogereaver349
@gogereaver349 Жыл бұрын
thats something intel is doing with there ecores.
@partitionhlep
@partitionhlep Жыл бұрын
very interesting info from a channel that totally hasn't been hacked
@wardfiction5693
@wardfiction5693 Жыл бұрын
HAHAHA
@nahpets2345
@nahpets2345 Жыл бұрын
RIP Techquickie 2012-2023
@Notverygoodatall
@Notverygoodatall Жыл бұрын
I bought so much tsla crypto thanks linus
@Miss_Claire
@Miss_Claire Жыл бұрын
They stole my cat and ruined my vintage pokemon card collection, damn crypto burgles
@CubingBones
@CubingBones Жыл бұрын
...you got hacked.
@Notverygoodatall
@Notverygoodatall Жыл бұрын
​@@Miss_ClaireHodl you will get 100 cat return on your 1 cat investment
@remy99c
@remy99c Жыл бұрын
Oh no, they got this channel now too
@3lem3ntDante1999
@3lem3ntDante1999 Жыл бұрын
Linus trying new password tips he found online ☠️
@shapelessed
@shapelessed Жыл бұрын
The biggest downfall of having a single big core is the fact that context switching takes a LOT of time when there are thousands ofthreads and processes to work with. That's why we have multi-core CPUs, having multiple cores allows your main priority tasks to run on completely dedicated cores, whereas the less meaningful ones can be shuffled around on the remaining cores. Think of it as assigning one person a single task compared to assigning another person 10 tasks, each one happening in different rooms, surely the second person is gonna waste hours just running between the rooms, won't they?
@nickryan3417
@nickryan3417 Жыл бұрын
It is very expensive, which is why Microsoft introduced the concept of fibers on top of threads/processes. Multiple fibers operate within the same execution context and are guaranteed to be on the same executing hardware which greatly saves on the context switching. Then Microsoft went and added tens more processes with every revision of their Operating System, making the overall efficiency plummet yet again. Add in browsers such as chrome doing the same and we now often have a process per tab. I'm not doing much on this PC but have about 20 tabs open and the process count is 275 with 3900 threads. This is Windows 10, Windows 11 typically adds another 20-30 processes over Windows 10.
@SlyNine
@SlyNine Жыл бұрын
Negative. If that were true you would see multiple cows having greater than N times the performance (n being the number of cores). What you actually see is less efficiency, even when the tasks scale almost perfectly.
@nickryan3417
@nickryan3417 Жыл бұрын
@@SlyNine What are you disagreeing with? Multiple cores reduce the context switching requirements of a single core, but as long as a given core is running multiple processes then context switching is going to happen anyway. The operational efficiency comes from multiple processes genuinely executing at the same time which does improve performance. Communication between processes or access to shared resources is a different matter and lots of amateur developers make the most basic of mistakes on this and produce very inefficient code as a result. Single thread applications are much easier to develop, attempting to retro-fit multi-thread execution into an existing application is incredibly difficult.
@Magnum_Express
@Magnum_Express Жыл бұрын
I was thinking more along the lines of why can't we have a core with 3+ threads? Like a dual core 8 thread or quad core 12-16 threads.
@cambrown5777
@cambrown5777 Жыл бұрын
the original paper proposing SMT actually tried up to 8 threads. You can read it here if you want: www.princeton.edu/~rblee/ELE572Papers/SMT_Eggers.pdf
@cyberpunk59
@cyberpunk59 Жыл бұрын
Because we don't need it, what a 2nd thread allows is to have the core busy all the time by filling the gaps in the 1st thread.
@dunmermage
@dunmermage Жыл бұрын
Because that cpu-thread isn't running parallel to each other. The purpose of hyper-threading is to reduce cpu idle time while the currently running process waits for say, user input or to get data from your drive. While one process is doing that, the cpu can easily switch to another process run. Adding a third (or more threads) is going to increase the complexity of the cpu by __a lot__ while not adding that much benefit. If you straight out have MORE cores, then you can actually have processes running at the exact same time, instead of just waiting the other one to finish.
@OGPatriot03
@OGPatriot03 Жыл бұрын
The reasons listed above are valid but I do recall having heard of I think AMD making a quad SMT CPU but that was awhile ago, maybe it was just some baseless rumor before Zen came out idk.
@josephmh0480
@josephmh0480 Жыл бұрын
I was thinking about like, One really chunky core and 8 threads
@stage515
@stage515 Жыл бұрын
thank you Tesla I'm so glad Tesla is doing tech videos now
@dexgaming6394
@dexgaming6394 Жыл бұрын
Yes, Elon was Linus this whole time.
@MattLintott
@MattLintott Жыл бұрын
Anyone else here watching to see if the channel gets recovered?
@dicey-bd4hh
@dicey-bd4hh Жыл бұрын
It will be back in 2 days dw
@cactus_cuber1589
@cactus_cuber1589 Жыл бұрын
Wait that was one month ago!!!
@EstebanGrasso
@EstebanGrasso Жыл бұрын
A possible follow up video could be discussing the advantage and problems of moving to cpu with different types of cores (like P and E, or specialized ones like video decoding or AI). Another could be why server CPUs usually go for more cores even if they are slower.
@GSBarlev
@GSBarlev Жыл бұрын
The tradeoffs of P/E (or ARM's big-little) would make a great video. But every time I see folks hyping up Tensor cores and other dedicated AI co-processors I can't help but think, "Whatever happened to PhysX?"
@grn1
@grn1 Жыл бұрын
​@@GSBarlev I've heard a lot of folks say that PhysX is terrible from both an accuracy and performance standpoint. I haven't done any real research on it though.
@ibsulon
@ibsulon Жыл бұрын
Most servers have more multitasking, not less. And when you get to HPC, most problems couldn’t be handled on a single core anyway, so you’re back to writing algorithms that can take advantage of multiple CPUs.
@ThePC007
@ThePC007 Жыл бұрын
@@grn1 I think the main thing that makes PhysX unappealing is the fact that it’s NVidia-only, meaning that using it for anything other than visual effects effectively limits your target audience as a game developer.
@ThePC007
@ThePC007 5 ай бұрын
*EDIT:* I think that is no longer the case.
@skjoldgames
@skjoldgames Жыл бұрын
Man, I was hoping you would talk about special use cases for single core super processors.
@benpinet8488
@benpinet8488 Жыл бұрын
Clickbait.
@vegotheveggi
@vegotheveggi Жыл бұрын
yes it is the firts ltt video that i downvoted becous of it. I was hoping for an expanation of per core licensing and or FPGA gpu emulation or somting other cool thing that i never heard of.
@BlakeKDM
@BlakeKDM Жыл бұрын
Linus got havked
@blaat44
@blaat44 Жыл бұрын
Is this his main channel?
@perpetualcollapse
@perpetualcollapse Жыл бұрын
@@blaat44 LTT got hacked but it got taken down by KZfaq after an hour. TQ and other LMG channels are currently also hacked. Someone with access to multiple accounts clicked on a shady link or downloaded a shady program I guess.
@mq1tu
@mq1tu Жыл бұрын
​​@@perpetualcollapse I have olso heard hackers use chrome extensions to stel all passwords when using chrome.
@bjornstevens11
@bjornstevens11 Жыл бұрын
@@perpetualcollapse It's kinda weird though, it's just 8:30 AM there (LTT was hacked when prob. no one was working in LMG yet), so I guess just bruteforce but we will see.
@BlakeKDM
@BlakeKDM Жыл бұрын
Lets prey that linus gets his channel back
@Legatron17
@Legatron17 Жыл бұрын
What a nice video, I sure hope nothing happens to this informative channel
@ojaskumar521
@ojaskumar521 Жыл бұрын
Bro is this techquickie?
@HelyoG
@HelyoG Жыл бұрын
This video's time here is numbered
@FatherManus
@FatherManus Жыл бұрын
@@ojaskumar521 Yes, before the hack.
@ojaskumar521
@ojaskumar521 Жыл бұрын
@@FatherManus God damn
@mrgreen8926
@mrgreen8926 Жыл бұрын
Going back to pentium
@yummybearblue5808
@yummybearblue5808 Жыл бұрын
Return of the King
@blunderingfool
@blunderingfool Жыл бұрын
One core to rule them all?
@Dyl_Apple
@Dyl_Apple Жыл бұрын
I guess you could call this channel Teslaquickie
@blaziken_fire
@blaziken_fire Жыл бұрын
here we go this channel also got hacked
@jmonsted
@jmonsted Жыл бұрын
We seem to ignore that there are CPUs with few monster cores. The ones in the IBM zSeries painframes are wicked fast but don't have very many of them.
@sergeikrivenko9043
@sergeikrivenko9043 Жыл бұрын
But it can't run Windows or any other conventional software.
@christopherfortineux6937
@christopherfortineux6937 Жыл бұрын
@MenaceInc well it aint linux neither. IBM machines are designed for unix in mind.
@TheRobojay
@TheRobojay Жыл бұрын
There are some things that are very hard to parallelize and are at the mercy of single threaded performance like CAD. I would love one superfast core for things like this
@GSBarlev
@GSBarlev Жыл бұрын
I was surprised to read this--you'd think 3D applications would be *ideal* for multiprocessing. Correct me if I'm wrong, but from my five minute Google it sounds like the culprit is that all modern CAD still inherits from the 40-year-old base code of *AutoCAD*
@dakelpoandgames2593
@dakelpoandgames2593 Жыл бұрын
@@GSBarlev yea it is a little odd. It is kind of like how gaming is very single core/single threaded in most cases. While it would benefit from multicore, it would benefit even more from cache or gpu improvements more.
@mrgumbook
@mrgumbook Жыл бұрын
@@GSBarlev probably the same reason enterprise motherboards often include serial ports. Legacy baby.
@xfy123
@xfy123 Жыл бұрын
@@mrgumbook serial ports are needed a lot in a professional environment. A ton of older and newer devices use it, it's pretty much the standard for industrial machines.
@TheRobojay
@TheRobojay Жыл бұрын
@@GSBarlev I'm not an expert on the subject but it is my understanding that a lot of CAD calculations require a previous answer before being able to compute. Since you are waiting for something else to compute first, it has to wait for that thread to finish getting the data. Fusion 360 does use multiple cores, depending on the task. But a lot of tasks make the program freeze if it is too complex because one thread is doing all the work most of the time. Not sure how much more you can parallelize that kind of task. Blender works differently even if they might look similar. If they were to be able to rewrite the code in a way that the computations are more independent from each other then we might be able to see a big improvement on this. I think this would make it less efficient as far as CPU time but being that we have so many cores available usually, I would take the speed improvement over the efficiency.
@Laun1c
@Laun1c Жыл бұрын
Today is an interesting day for Linus
@sesterno
@sesterno Жыл бұрын
why tf the scam livestream is still live on multiple multi-million subscriber count channels? holy shit youtube...
@arnabbiswasalsodeep
@arnabbiswasalsodeep Жыл бұрын
Also few more things: 1. Heat dissipation (same reason as how u can disable defective one & sell at low rates) 2. Physical limit: It took so long to get proper 5GHz to hit even at turbo, so imagine if that limit got to be made a bottleneck cuz of how much you can schedule. SMT ain't helping you. And I think I read in some paper that max thermotical limit for silicon atom operation in a perfect serial processing was around 5THz but it'll be hotter than sun. (so point 1 again?) 3. Parallelization is faster. The parallel port got discarded cuz it was just singular lines which caused interference. And electromagnetic coupling was bit expensive to be worth it. But now, u can use that in PCIe, MIPI, RS485, Ethernet, USB, etc. Though still more lines can have more leakages specially for wires like in parallel port & would need very proper fine adjustments to work like a camera/display connector(MIPI) or PCIe. Infact you can argue that QAM is a case of parallelization.
@gogereaver349
@gogereaver349 Жыл бұрын
the last single cores where 5 ghz. crossing that line to 6 ghz still isnt a thing. not without massive cooling.
@Razor2048
@Razor2048 Жыл бұрын
What I would like to see since we are already going into the heterogeneous core setups anyway, is a CPU design where you have multiple performance cores, and then 1 extra super performance core. It would when extremely well for games, since most CPU bottlenecks are single thread bottlenecks in games. For example in CS:Go, if you use process explorer to look at the individual threads, you will notice that while multiple cores are in use, they are not heavily used, but there will be 1 single thread that uses 1 core worth of CPU time, band that is the thread that everything else has to wait on. Whatever it is doing, it cannot do it asynchronously. This is the case for pretty much all games, since individual functions often are not broken into multiple threads. with that in mind, what if they made 1 additional special core that had like twice the single threaded performance, even if less efficient, then most games will see improved performance. Some productivity apps will improve as well such as photoshop which still has many single threaded functions, as well as MS word and excel.
@Razor2048
@Razor2048 Жыл бұрын
Yep, the E cores are not very worthwhile. But since Intel is going all in, and AMD is going with different amounts of cache for some chiplets, The major OS makers are already hard at work making their schedulers work well with a heterogeneous core setup. This is why I feel it could be used in the other direction. A CPU with proper performance cores, and then 1 additional super performance core, where without care for efficiency, they do every trick in the book to maximize IPC and clock speed.
@XCVGVCX
@XCVGVCX Жыл бұрын
Some mobile SoCs already do this. They'll have, say, three "big" cores, and also one "prime" core. I'm not sure if they're actually different from the big cores in terms of microarchitecture, but are optimized and/or binned to run at higher clocks.
@Razor2048
@Razor2048 Жыл бұрын
Some mobile SOCs will do a single extra high performance core with additional cache and clock speed, though no other fundamental differences compared to the other high performance cores. Those changes helped greatly, especially for web browsers where most scripting is still single threaded. that change allowed them to catch up to apple in the browser benchmarks such as Mozilla Kraken 1.1, Octane V2, etc. The mobile implementation has worked well, though I would like it to be taken further. For example, imagine taking a CPU like Ryzen 7 7800X, making the chiplet larger, and adding a 9th core that has a 4x more registers, go from 3 loads and 2 stores per cycle, to 6 loads and 4 stores. Double the pipeline width for the decode and Op-cache, and beef up the other aspects as well, sure it will make for a large increase in power consumption and some diminishing returns and basically all of the stuff that really harms efficiency on X86. For many years Apple did stuff like that with their smartphone SOCs since many apps, and especially web browsers benefited more from faster single threaded performance than multiple cores, thus you would see Apple and Qualcomm using the same ARM version, but apple would tweak it to improve single threaded performance where they would have 60-70% better performance but half the cores, thus while they would lose out on multithreaded tests, they would do significantly better on things like web browsers and web apps. Overall, with a move like that, efficiency would not be a goal, but it would be improved gaming performance above all else.
@grn1
@grn1 Жыл бұрын
There are a few comments in another thread that cover why that wouldn't work and it comes down to physics. Smaller cores are more power efficient so you get more speed with less power but we're bumping up against the limits of silicon both in terms of size (any smaller and tunneling becomes a problem) and thermals (any more power and the chips will fry themselves). Bigger cores would hit the thermal limit faster and we can't just add more functions to the cores since the programs we're trying to speed up wouldn't be able to take advantage of it and it would heat up faster.
@Razor2048
@Razor2048 Жыл бұрын
@@grn1 That is certainly a risk if trying to do something like make a single core that has the tflops of a quad core CPU. Though what I was focusing more on was something more along the lines of what Apple did with the Arm SOCs to improve IPC during the times when faster single threaded performance benefitted them a lot more than having more cores. They made changes that resulted in larger cores, such as a dual core that took as much die space as a quad core from Qualcomm. In the case of a desktop CPU, something similar could be done for one core, and that will drastically improve the performance of games that have a single thread bottleneck such as CS:GO, Microsoft flight simulator 2020, all current e-sports titles, and many others.
@MrXelnagakail
@MrXelnagakail Жыл бұрын
Lmao, Tesla Tech Tips
@MorbyLol
@MorbyLol Жыл бұрын
No way Linus got tech tipped
@fortdriver
@fortdriver Жыл бұрын
Someone is having a bad day in the office...
@fortdriver
@fortdriver Жыл бұрын
@@JEDI.ON.CREATINE1208 I have mad respect for you.
@justmultidimensional1759
@justmultidimensional1759 Жыл бұрын
How the heck did they manage to hack them all
@musashi997
@musashi997 Жыл бұрын
Malware with a Red Line stealer that runs hidden in the background
@hatim_237
@hatim_237 Жыл бұрын
channel got hacked lol
@chocofountain
@chocofountain Жыл бұрын
Nice to know Tesla
@JacobP81
@JacobP81 Жыл бұрын
0:38 I believe the reason for multiple cores is because we reached a limit with the technology, making it hard to increase the core speed. By having many cores we circumvent this technical limitation.
@devluz
@devluz Жыл бұрын
Yeah that was my thinking as well. I guess they were comparing multiple cores vs. running multiple threads on a single core. The video wasn't about only running 1 thread at a time. If we really only use 1 thread at a time then we run into the issue that we can no longer increase the frequency at which our CPU run. Or at least we can not increase it nearly as fast as we could by just adding more cores. It is a lot easier to build a CPU with 2 cores each at 4 GHz than 1 core at 8 GHz.
@daniel.lupton
@daniel.lupton Жыл бұрын
Yeah it seems weird to skip over the most obvious reason.
@dakelpoandgames2593
@dakelpoandgames2593 Жыл бұрын
@@devluz @JacobPersico this is still kind of incorrect as core improvements are constantly made. A single core cpu today wouldnt stand up to a single core on any of todays cpus. Even by itself a single core on the most recent intel or amd chip would blow any single core from then out of the water. Its not that we can't make better single cores but that it is impractical to do so as multicore chips will always be faster than a single core chip ever will even if that single core is extremely powerful.
@dakelpoandgames2593
@dakelpoandgames2593 Жыл бұрын
this is still kind of incorrect as core improvements are constantly made. A single core cpu today wouldnt stand up to a single core on any of todays cpus. Even by itself a single core on the most recent intel or amd chip would blow any single core from then out of the water. Its not that we can't make better single cores but that it is impractical to do so as multicore chips will always be faster than a single core chip ever will even if that single core is extremely powerful.
@pixels_per_inch
@pixels_per_inch Жыл бұрын
Yes, but they forgot to mention that context switching is the most inefficient process, having to flush the cache with every switch, hence why SMT/HT was introduced, though if the CPU is suffocating, it doesn't help much.
@SavorySleep
@SavorySleep Жыл бұрын
No way LMG got hacked :0
@DmanDmax
@DmanDmax Жыл бұрын
This is why you don't use the same password for all your channels lol
@mq1tu
@mq1tu Жыл бұрын
they just need to hack one computer that has acces to the rest of their network
@Haargeroya
@Haargeroya Жыл бұрын
Well this is an interesting Thursday morning. All of LMG has been hacked, and the main LTT channel has been terminated because of it
@SicariusYT
@SicariusYT Жыл бұрын
A tech channel hacked… wow Anyone else like “wtf i never subbed to tesla”
@kevintbjorn
@kevintbjorn Жыл бұрын
yeah, and no messages in the live stream, and the deal about 2x cryptocurrency in 5 minutes sounding too good to be true.
@henha
@henha Жыл бұрын
Bro even got hacked here😂😂😂
@Zeyek1
@Zeyek1 Жыл бұрын
its strange looks like the hacker didn't delete the videos i feel like the hacker knows linus and didn't proceed to delete the videos i maybe wrong
@mq1tu
@mq1tu Жыл бұрын
No he dont care about ltt he just forgot. He hided all videos on other ltt channels
@MetalMan1245
@MetalMan1245 Жыл бұрын
It's cool to see Linus doing a TechQuickie, as much as I love Riley and James and all the other hosts on the LTT staff that do such a good job at it.
@han-huo
@han-huo Жыл бұрын
Thanks Tesla, I never knew that
@KyL
@KyL Жыл бұрын
Just used my daughters tuition on Tesla coin!! Thanks Linus, surely he didn’t get hacked.
@suicideistheanswer369
@suicideistheanswer369 Жыл бұрын
Tell me you're joking
@blurengo
@blurengo Жыл бұрын
Wow, thanks Tesla for informing me on cores!
@JUSTKOZ
@JUSTKOZ Жыл бұрын
If These Guys Ever Recover Their Channel, I Already Know Linus Is Going On A Long Rant On How KZfaq Addressed The Problem, How They Did Nothing, How There Needs To Be More Security, All That BS. Mark My Words.
@SEB_Moxxie
@SEB_Moxxie Жыл бұрын
Agreed.
@DeputyGamer
@DeputyGamer Жыл бұрын
Small thing, May I ask why you capitalized every word?
@NeoNickz
@NeoNickz Жыл бұрын
@@DeputyGamer it's a way how people type, don't worry abt it
@pkerguy
@pkerguy Жыл бұрын
Lil bro got hacked, damn
@trymnor8521
@trymnor8521 Жыл бұрын
What does Elon think about that core though?
@codriver23
@codriver23 Жыл бұрын
Thanks Linus, answering questions I never thought of and now because you did address it feel a little smarter because of it. Keep up the good work.
@BlueYoshi
@BlueYoshi Жыл бұрын
This channel getting hacked wasn't something I was expecting
@chi4999
@chi4999 Жыл бұрын
WAN show this Friday : WE GOT HACKEDDDD!!??
@Badgraphics26
@Badgraphics26 Жыл бұрын
Damn now Linus got Tesla’d 🤣🤣🤣….nah but seriously I hope y’all get your channel back.
@nickryan3417
@nickryan3417 Жыл бұрын
Hyperthreading is *NOT* task scheduling in hardware. It is nothing more than a hack to use duplicated components in a chip in parallel as if there were more than one core but execution will stall as soon as non-duplicated components within the chip are needed. It's part cost saving, part efficiency but mostly marketing.
@kailashmuralidharan5849
@kailashmuralidharan5849 Жыл бұрын
even techlinked got hacked! YT do something about scams!
@josephrosenbaum3343
@josephrosenbaum3343 Жыл бұрын
Rip LTT lmao
@isharadhanushan2002
@isharadhanushan2002 Жыл бұрын
How is it possible to hack two of his channels. RIP Linus Tech Tips and Techquicke.
@At0micCowboy
@At0micCowboy Жыл бұрын
0:24 ...except modern USB is fast because it has multiple data streams and parallel ports were slow because they had one data stream. If only Linus had actually looked into how these protocols actually worked and what "parallel" and "serial" even meant.
@pol_
@pol_ Жыл бұрын
This is some weird content Tesla is putting out, especially with this Linus guy!
@Anon-Mars
@Anon-Mars Жыл бұрын
They got hacked…
@hn1f
@hn1f Жыл бұрын
Damn linus got his account stolen because some russian basement dude sent a redline stealer to one of those editors (might be Dennis that ran it for lols)
@playervalley
@playervalley Жыл бұрын
i dont think dennis would be the kind of guy to run a redline stealer on accounts with 20m+ subscribers combined
@moonwalking5371
@moonwalking5371 Жыл бұрын
LOOOL TECHQUIKIE GOT HACKED?
@wardfiction5693
@wardfiction5693 Жыл бұрын
I'm over to the other channels to, super-fun is okay for now.
@SinanAkkoyun
@SinanAkkoyun Жыл бұрын
Ah yes, Tesla and Elon Musk
@thecon_quererarbitraryname6286
@thecon_quererarbitraryname6286 Жыл бұрын
The venerable Pentium 4 be like: "Are you saying that I'm an avocado ? How dare you 😂"
@LeeVoolHM
@LeeVoolHM Жыл бұрын
I think this would work, if motherboards had external SOCs and schedulers, that could tell the cpu to execute at specific time for specific programs, making cpu manufacturers replace focus on speed, while the motherboard would organize the data.
@daniel.lupton
@daniel.lupton Жыл бұрын
Why would it be external? Why add another SOC that doesn't understand the architecture of the CPU in the socket? It makes more sense to build the scheduler onto the CPUs SOC, and that's exactly what they do. But at some point you need to prioritise scheduling at a thread/process level that the CPU can't understand. That's when it's handled by the OS, more specifically the kernel of the OS. It's handled in software so that it's flexible enough to meet the needs of the user. An external SOC wouldn't help with that either.
@LeeVoolHM
@LeeVoolHM Жыл бұрын
@Daniel Lupton if the cpu manufacturer is putting all resources into making a super fast core, that would put pressure on motherboard manufacturers to innovate on more advanced ways to organize the info. I don't know enough about, the software side of things, so I might be wrong. Also the motherboards would have to have specific cpu sockets for different architectures, that might sound tasking but it's just moving around a few pins each generation. Like a qr code
@daniel.lupton
@daniel.lupton Жыл бұрын
@@LeeVoolHM The motherboard doesn't organise anything. It just provides data lanes for the CPU to talk to the memory, GPU and I/O, and provides power to those components. The motherboard has no awareness of the data moving through it. I don't think you know enough about the subject to provide insight that the manufacturers are missing.
@LeeVoolHM
@LeeVoolHM Жыл бұрын
@Daniel Lupton I was suggesting that the task, of organizing data, would have to be managed by the motherboard. I'm not saying it does or has. I'm saying it would be needed for this hypothetical situation. Where the cpu has a 1 purpose of executing as fast as possible. then organization handled by the motherboard.
@daniel.lupton
@daniel.lupton Жыл бұрын
@@LeeVoolHM in what world would 2 chips talking to each other work faster than 1 chip that does both tasks on the same die? Not only would you have to deal with the latency of the communication bus, but you wouldn't be able to optimise anything at the silicon level. You should learn about cache misses and branch misses and you'll understand why the further data is from the CPU registers (L1, L2, L3 cache, memory, HDD, network, etc) each level can take 10-100x longer to retrieve and execute. Going from a 99% cache hit-rate to a 98% can half the speed of a processor. So having the data flow managed by an external chipset would ruin performance far more than any saving you get from splitting the task up. What I find fascinating is that you seem so insistent that this makes sense. There are so many reasons that it doesn't work, I don't even know where to begin. It's like the flat-earth theory. It's so wrong, it's actually hard to explain why without pretty much explaining all of science from scratch.
@TatsuZZmage
@TatsuZZmage Жыл бұрын
Also part of the problem is that each piece of hardware used to have dedicated controllers but they virtualized half of the hardware using the Cpu
@samiraperi467
@samiraperi467 Жыл бұрын
No, they didn't "virtualize half the hardware using the CPU". Some stuff moved into the chipset, some into the CPU and so on. It's not virtualized, you don't need virtualization to use the stuff. You're using incorrect terminology.
@nukfauxsho
@nukfauxsho Жыл бұрын
what are you even talking about XD. Nothing is virtualized.
@FL4SHK
@FL4SHK Жыл бұрын
Hobby CPU designer here (I use FPGA dev boards for implementing them). This was a great video!
@danbance5799
@danbance5799 Жыл бұрын
I've contemplated building Ben Eater's 8 bit breadboard CPU, but I decided watching the video was enough for me. My wire routing is not at that level of awesomeness. It's the best series of videos on electrical and computer engineering I've ever watched, highly recommended.
@FL4SHK
@FL4SHK Жыл бұрын
@@danbance5799 oh, FPGA development is done with special coding languages known as hardware description languages. Examples are VHDL and SystemVerilog. You can just buy the physical hardware known as FPGA dev boards, then you can configure them to act as your own hardware designs that you implemented in the hardware description language you picked. I haven't actually wired very much myself yet, due to a lack of space and lack of garage.
@ainsleyhariott4353
@ainsleyhariott4353 Жыл бұрын
Lmao tesla live back at it again
@jon_franklin
@jon_franklin Жыл бұрын
So weird seeing this after watching him do it live. (also, why are the Techquickie uploads so delayed on Floatplane?)
@indrejeetmilwar
@indrejeetmilwar Жыл бұрын
When you use same password in all accounts
@jeffreydurham2566
@jeffreydurham2566 Жыл бұрын
Efficiency was a big selling point when multi core chips came out. They were having trouble with one core at 5Ghz, and found it more efficient to have two cores at 2Ghz a piece
@TaxEvasionUS
@TaxEvasionUS Жыл бұрын
I'm laughing seeing the Tesla logo on this account
@anlumo1
@anlumo1 Жыл бұрын
Programming for a single core would be much easier. Game devs and others aren't doing multithreading because it's so awesome, but because modern CPUs make it necessary.
@NeovanGoth
@NeovanGoth Жыл бұрын
That's precisely the point. CPU manufacturers could not deliver much higher clock speeds, so we got more cores instead and a whole bunch or complex parallelization problems.
@saricubra2867
@saricubra2867 Жыл бұрын
@@NeovanGoth Higher clockspeeds like current Bulldozer-like situation with Raptor Lake and Zen 4 unlike the huge IPC of Apple M1 and M2 with a conservative 3.2GHz clock and 10 times less power at times.
@Dhaydon75
@Dhaydon75 Жыл бұрын
​@@saricubra2867 It is not so easy to compare vastly different architectures(x86 to ARM).
@TristanTGHM
@TristanTGHM Жыл бұрын
I have a feeling Shortcircut is gonna get hacked
@chevronlily
@chevronlily Жыл бұрын
It was cool seeing this filmed on Floatplane and now seeing the finished product 😃
@RetroGameSpacko
@RetroGameSpacko Жыл бұрын
it looks like Linus' servers were hacked in the first place. Someone has to answer there for clicking onto a mail attachment
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