#programming
1 messages · Page 551 of 1
Im thinking of a stick being stuck to the landmass, not in orbit. And the wind cools it
mm i see

there are passive cooling designs that use the shape of the building and prevailing winds to use nearly no power
Maybe when we are atleast a type 1 civilization
Cooling the liquid iron part of the core by heating the outside of the planet sounds like a recipe for mass destruction
lmao we hit it just right and the core loses all energy somehow
we call that an oopsie daisy
i say while the AC in my apartment is blasting loudly behind the computer
Including nuclear energy?
never watch the movie "The Core" if you know any science. (was reminded off it by a youtube video recently)
there's a futurama episode where a cat civilization comes to earth to steal the earth's rotational energy and beam it back to their planet using the pyramids, which of course are built to be giant transmitters for this type of radiation. because their cat planet lost its spin

the core of the earth shuts down and they send a special vehicle down to explode nukes on it to restart it. ;[ it is that bad.

You know what is peak core of the earth scifi writing?
Sounds like they need Schrodinger's cat since that emits infinite energy
artemis fowl
Minecraft terra swoop force
poor thuban 9. roasting on one side, frozen on the other
apparently somehow still liquid water on the roasting side
it's just blue rocks. ;/
toast always lands butter side down
cat always lands on feed
feet*
so
it will spin infinitely
Yup
don't need it to spin... want it to float so it can carry stuff
Its watercooled 
Commercial for Flying Horse energy drink give us a way to understand the phenomena about falling cat and bread with butter.
Really funny video ^^
But i wanna attach the car to a generator to produce infinite amounts of energy
tape two cats together, much more elegant
car/cat typo
fucking classic
always so good
(buttering both sides of the toast won't work as either side now counts)
Lmao that was actually auto correct

some dude figured out you can make a draft proposal to the ietf without like
any verification
and submitted some turbo shitpost ipv8 a few months ago
now there's a 2nd one let's goooo
Internet Protocol Version 8 (IPv8) is a managed network protocol
suite that transforms how networks of every scale -- from home
networks to the global internet -- are operated, secured, and
monitored. Every manageable element in an IPv8 network is
authorised via OAuth2 JWT tokens served from a local cache. Every
service a device requires...
yay! I'm looking forward to becoming as ignorant of that as the rest of my family is of IPv4 and v6 so I won't know what to do either.
great news! ipv8 is literally 2x ipv4 addresses grafted together
4 billion internets ought to be enough for everyone
here bro here's ur fix
3.1. Structure
An IPv8 address is a 64-bit value:
r.r.r.r.n.n.n.n
r.r.r.r -- 32-bit ASN Routing Prefix
n.n.n.n -- 32-bit Host Address (identical semantics to IPv4)
3.2. Address Space
2^64 = 18,446,744,073,709,551,616 unique addresses.
2^32 ASN prefixes x 2^32 host addresses per ASN.
3.3. IPv4 Representation in IPv8
0.0.0.0.n.n.n.n
Packets with r.r.r.r = 0.0.0.0 MUST be routed using standard IPv4 rules applied to the n.n.n.n field. IPv4 is a proper subset of IPv8. No modification to IPv4 devices, applications, or networks is required.
Hmm. Looks bad. if your DNS dies you are screwed. Can't use the network to fix it. and without DNS it blocks everything.
Never even heard of it
But it sounds like a bad idea
Given how stubborn people are with 6
if you read the proposal he basically cites himself and the only references to the citations on the whole internet are the ones in the proposed draft
Lmao
These two steps together eliminate the primary malware command-and-control channel: connection to hardcoded IP addresses without DNS resolution
Soooooo how do you define the DNS server addresses?
vibes and prayer
I think its a good idea to ditch ipv4 but this doesn't seem like a good implementation
Damn how old is 6 then
Bruhh
we'll get there eventually!
this is what's called an RFC. this one is draft version 0. It's a request for comment from others and not a standard. (draft RFCs are not standards and technically neither are RFCs)
Stubborn ass companies
yep
courtesy of this guy
be like steve
he requests
your input
and comments
I love how newer version numbers are obsolete
256 bit addresses
it's an idea which the author wants to share with others for their feedback. It's got some interesting ideas. I like the basically backwards compatibility with ipv4. It's got some horrible flaws but maybe there could be improvements which make it useable? not putting a lot of hope in it though.
there was an april fools RFC for ipv9
at one point
Allocation
The vast number space of the IPv9 protocol has also allowed
allocation to be done in a straight forward manner. Typically, most
high street commercial internet providers issue a range of 1 billion
addresses to each house. The addresses are then dynamically
partitioned into subnet hierarchies allowing groups of a million
addresses to be allocated for each discreet unit (e.g., room/floor
etc.) The allocation of sub groups then to controllers such as light
switches, mains sockets and similar is then done from each pool.
The allocation process is again done in a hierarchical zoned way,
with each major application requesting a block of addresses from its
controller. In this way the light bulb requests an address block from
the light switch, the light switch in turn from the electrical system
which in turn requests one from the room/floor controller. This has
been found to be successful due to the enormous range of addresses
available, and contention for the address space being without
problems typically.
Whilst there are still many addresses unallocated the available space
has been sharply decreased. The discovery of intelligent life on
other solar systems with the parallel discovery of a faster-than-
light transport stack is the main cause. This enables real time
communication with them, and has made the allocation of world-size
address spaces necessary, at the level 3 routing hierarchy. There is
still only 1 global (spatial) level 2 galaxy wide network required
for this galaxy, although the establishment of permanent space
stations in deep space may start to exhaust this. This allows level 1
to be used for inter-galaxy routing. The most pressing problem now is
the case of parallel universes. Of course there is the danger of
assuming that there is no higher extrapolation than parallel
universes...
Up to now, the hacking into, and setting of holo-recorder devices to
the wrong channel from remote galaxies, has not been confirmed, and
appears to be attributable to finger problem with the remote control
whilst travelling home from the office.
wow that was longer than it looked on the site
Discord is just small
I got a new monitor
Now i can have 4
This one shall join the vertical club
@kind nimbus
i should hook up all my monitors but i have too many
for the graphics cards
i only use 3 normally
2 more at this desk is already exceeding the display gpu
and then 4 more in this room is too much for both
No such thing as too many monitors while programming
there are 15 monitors in my general vicinity not counting tvs or devices like phones etc
Finally achieved ghost in the shell type setup
It's basically that except larger and more varied sizes/orientations
Until we get iron man level holograms ill need multi monitor setups
My life for eye strain
Knew this was gonna be a fucking problem when my fucking Xfinity router started offering it as a "security" feature
Look at this shit bruh
This just identifies movement in general but not surprising it can be used to figure out the exact people it's detecting too
Gonna have to start wearing a faraday cage
yeah i have it in bridge mode now
Or drop it completely and not have to pay rental
i don't pay rental
Why use their hardware then
free and also dont want to buy a docsis 3.1 modem when 4.0 exists
speaking of which
they are suposed to be sending me one of them
and it's been delayed for so long
but that's a big part of it
and as a regular consumer
can't buy a docsis 4.0 modem
there were papers on using wifi as "through wall vision" including counting and tracking building occupants like 5-10 years ago
but i aint buying a shitty ass 3.1 one now for that reason
yep it's real and in production now, i could turn it on today
Gotta spy on everyone after all
the ability to do tracking and detection is a side effect of it being basically a radar system (with some fancy stuff for data)
i mean if you think about it for like
1 second
any device sending and receiving signals like that
can detect when there's a change in the strength
so of course it can detect when it's disturbed
oh yeah i dont mean it's good
but it logically was always gonna happen
i'd considered using RF signals for my meltybrain combat robot for determining rotation rate/"true north" but I think it would've been a lot of math to get working
Remember always clog spy systems with random noise out of spite
meltybrain combat robot sounds like something i'd avoid
this is true
i do need to print one of those adversarial license plate covers
Based
those license plate covers make it hard to play my arithmetic games with the plates though. ;[ ( just the number part 8120... 8+2 == 10, two pairs. try make poker hands. [2 1s and 2 0s] )
944nm IR light would work good too for blocking
i very much recommend anyone with a racing mind who walks alongside traffic play license plate games ;]
the important part is that you make sure it doesn't seem like the intent of the cover is to make it hard to read. you can get a ticket for that. ;]
i think adding IR LEDs would be a little obvious
That wouldnt make it hard to read
Just for their cameras
Though there are better forms of data poisoning
if they can see they can't read your plate they might be curious why.
Which is even better
Wouldnt matter if its some camera
Because they wouldnt have any information
would if it's the camera in their car.
i've seen scatched up plastic covers with more scratching in some ares than others which i think are intended to make the digits hard to see.
also depends on the state.
personally i just don't drive much. i've got a 2022 Tesla with 1800 miles on it that i'm thinking of selling. Costs more to own it than it would to get an Uber everywhere i need to go or get delivery.
Some other good poison methods out there to deal with it
I have a tshirt with a QR code that crashes some security cameras.
[technically true: i the camera is not configured, it will detect the QR code and crash parsing it. I didn't finish a code execution exploit for it because I did the research over a weekend and got told "cool, work on this now."]
the QR code is meant to come from the app but it didn't have any length checks on the size of the data it was copying into fixed length buffers.
very 1990s bug for a 2020s camera.
I am pretty sure I could hack go pro cameras too based on some details about them but would need to do a lot fo work reversing stuff as well as buy a couple of them.... not going to be doing that soon.
it would be funny to make a license plate sized display which generated a new random license plate display every second and to leave them in front of ALPRs.
wow nice tag i got there
the error in 2020: some new hire doesn’t know the difference between 0 and 1 indexed
the error in 2026: some new hire vibe coded literal github
I don't know whose but Happy EID MUARAK fellow programmers 
I literally had to issue a hotfix for my CI runner AGAIN
because somehow the runner was getting ratelimited when running curl -s "https://api.github.com/repos/PrismaticDepths/neoprisma/releases/latest"
wtf
i literally have to patch the installer or workflow EVERY SINGLE UPDATE WHYYY
my codebase is almost 5000 lines now
i still havent started cross platform work
wtf thats genius
so chaotic neutral coded
I want this.
i hate ci
im not muslim but my understanding is that eid muarak is a greeting itself so, eid muarak sir/ma'am/programmer
Nice. The one on the right is a bit more ripple-y
Yeah and it should be fine too. 60mV from 5V is like what? 0.3%?
Nah, they're 12V
Yeah even more so
Well it is within a good standard value 
Wait, can you send the datasheet of the lightcrafter again?
Thats sick as fuck
How much does it cost in parts?
I imagine like 150 bucks ignoring r&d
I know this contains a lot of random shit but i cant find one thats only the electrical details
So far about $20USD

Yeah, should be good. The only important part is the supply but because it is a devkit it's usually already done the other power regulation stuff on the board
That's why is only specifies the connector size and voltage+current consumption
Small data small batch training be like:
So its 84W
Yeah I am still more concerned about the GaN charger than the step down 
One of the things LLMs are actually good for right here
Just straight up reading the tensors in a GGUF file and interpreting them so I don't have to bother
84W lightcrafter, 15W pi, 5W motor, 104W total with 36W worth of wiggle room
I could actually use 24V instead of 28V. Maxes at 120W but then we're hittinng the peak efficiency voltage of the dc-dc converters

Original plan had the pi at 25W but i have since realized there are power settings in the bios that can limit it down to 5W
LLM reading another LLM brains
The efficiency curve is usually non linear tho 
Ok, i just got "lucky"- i had bought two used robo vacuums.. one has issues starting to self empty, and the other just doesn't vacuum
The litle prints say the best efficiency for them is at 24v
Idk what the actual graphs look like
Usually like this 
Notified the seller and all, theyre super nice.. and now i have 1000€ worth of vacuum for ~140€. What.

Do note that this is a graph for random converter
Hmmm. This one has the lower voltages as more efficient
Ye, as I said depending on the model 
Mine allow 18-36V but prefer 24V supposedly.
I wonder if they have graphs on their website
My brain!
(140 with the parts prooobably needed to fix the issues btw. 96€ without any parts.. he refunded half on my first, and full on the second one. Im in shock
It would be awesome if they have a very detailed datasheet
It would be so cool.
(now we wait if anyone got that reference)
(probably not because apparently im just old or something)
What exactly would the issue be for the power brick? Still just the motor?
Yeah, mainly the load that it isn't designed for 
I too enjoy having my entire bank account cleared out by a youtube comment
you guys know why my cpu just spiked to 100% in a split second?
I bet you $5 that when the product designer makes those power bricks they didn't expect any motor load 
No way to tell without knowing what programs were running at that exact moment. Its nothing to wlrrt about tho
You might have just resized a window or something 
Possibly
Inductive load hmmm
Actually, it should be fine
Most of the back-EMF gets absorbed by the driver board
my browser and discord that was it lmao
it spiked when i watched a video
which has never happened before
Im pretty sure the DC-DC converters also filter the noise a bit.
And if worst comes to worst the power brick has
Over-Current Protection
Short-Circuit Protection
Back-Current Protection
True, I am not concerned about it breaking or fried but the transient response is not enough to keep up 
However those big leeway in the power budget may save it
As in, the transient are fast enough because it is under utilized in normal condition

What happens if the spikes indeed hit the block and the transient response is not fast enough?
Every other electronic will reset 
something bad, probably
So it loses power for a bit?
Correct 
I wonder if that would damage anything
Probably not tbh. Just really annoying
However, there are capacitor everywhere and that should be able to absorb the transient load for a while
I already added an extra 35V Electrolytic Capacitor
On the input to the motot
I could also add one on the global 28V line
There's also still that TVS there
5KE15A TVS, 35V 470uF cap, and a ceramic cap
spikes and such will probably be fine and the device will be killed by walking across the floor and generating a static charge
or it'll work fine
Yeah as I said it is probably fine with a ton of caps around. Just annoying at most if it somehow still restart every device every other spike load 
My man Anthony Fu creating cursed project 
It shouldn't if you use a NAND storage
not even if it shuts off in the middle of a write op?
im putting an m.2 in it
im hoping to prevent random shutoffs of-course, but i want to make sure it doesnt break incase it does
these make me laugh
Ig someone does understand Arabic.
Hehe just saying "May happiness be with you" in a different language does not make me Muslim
Nix fixes anything
Technically Eid mubarak is a greeting as much as merry christmas is a greeting
merry christmas is a greeting?
it is
you go up to people and greet them by saying "merry christmass"?
yes
americans are so weird
I told you it is the same as much as merry christmas is a greeting 

So yeah, technically it is not really a greetings, but people used it as a greeting
no im not lol people definitely use merry christmas as a greeting bruh
Yeah this is already known for several years already
https://espargos.net/ my beloved
ESPARGOS is a phase-coherent, ESP32-based WiFi antenna array designed for low-cost sensing applications.
prove it
"happy halloween" is a goodbye here... 
merry christmas
christmas in january
Eid mubarak as a greeting is just how to convey the happines of holiday and celebration too
ye that was the intent of the reply using it ;_;
merry Christmas is just a way of saying you wish the other person's Christmas is merry. it doesn't do anything i terms of greeting them
awawaawa
Also, there are 2 Eid in a year. Eid al fitr and Eid al ahd
what about "good morning"
hmm
during the holiday season you can use it as a greeting as a mutual acknowledgement of it being christmas
it's just a way of saying you wish the other person's morning is good
same as good morning
it also doesnt do that, im banning goodmorning too
too far
dont listen to him he speaks a funny language
greetings should greet people
bad morning sam

een klapp
P A P A
yeah i tend to add extra letters due to my fingers flying across the keyboard at mach speed due to my epic skillz'
Hi Sam 
why is it "greetings" if it's only one greeting
wait
making it 2 greetings
"greetings" isn't a greeting by your own standards
but why can't i greet someone by saying good morning
but "greetings" just exclaims that there are greetings
yes
Yup and you can even accurately depict a person and even log keystrokes just using wifi
what qualifies a greeting specifically
hmmm
if i say "exchanges, sam" is that then an exchange by your rules


Morning
The only "true" greetings
"I greet you."
"I salute you."
"I acknowledge your presence."

so "greetings" is not a greeting
salutations my good friend
any form of the verbs will do i think
I love this reply lol https://puu.sh/KNEug/90273863bb.png
i acknowledge your presence 

this is ridiculous
Have you played Mass Effect trilogy sam?
nope
You should 
10/10 story 
i see
mister samuel vanuel triangle, i formally acknowledge your presence and request the same acknowledgement in turn, in accordance with standard introductory social exchanges
So we are getting close and closer to TCP now
lmao
Sir. t, your presence has been noted and formally acknowledged in return as-well, in accordance with the social exchanges ruling
I acknowledge this chat acknowledges other people who should be acknowledged
Are you ready to receive my acknowledgement? I am ready to send my acknowledgement.
i thank you kindly, mister samuel vanuel triangle, for completing the introductory exchange to a satisfactory degree
wrrr
Is that UDP based ?
idk, im not a network engineer
Because i might not get it
im just being silly
May you live in interesting times 
nah
ive lived through enough interesting times
keeps things as bland as possible please
I don’t think that’s how that works Neuro
ni im pretty sure it does work like that
she did the standard introductory social exchanges
int main() { printf("happy %s\n",get_nearest_holiday()); return 0;}
huh
perhaps replace happy with one of a selection of formats?
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
const char *fmts[] = { "happy %s\n", "merry %s\n", "get %sed, friend!\n", "%s? we don't celebrate that.\n", "can't wait until %s is over, amirite?\n"};
#define ASIZ(X) (sizeof(x)/sizeof(x[0]))
const char *get_fmt() { return fmts[rand()%ASIZ(fmts)]; }
int main() { srand(time(0)); printf(get_fmt(), get_nearest_holiday()); return 0;}
sorry.
i didn't notice it before, but ye i def need to install the PTM i got yesterday, im at 70C rn doing nothing 
Br*tish version
well, they say happy christmas in that one
do they?
xmas is special with merry. "enjoy your $HOLIDAY" also works.
(or "have a pleasant..." or other words to that effect. yep. overthinking this.)
may the remainder of your short life be tolerable

Flawless

14 years ago 
Close enough
Lol i never tried out genmoji
It runs locally so your phone gets very hot lol
must be nice. 😭
;]
i guess i cant even try it then
who not want to be upgraded
Eh i have a 17 pro max with vapour chamber. Should be fine.
Local stuff is good
submerge it in water while it runs... it's waterproof, right? i think?
Lol yeah i could do that 
Of course. 100% (absolutely not edited)
Without the pins
She does
Also what on earth is this
vedalCopter
Run
Weird i just wanted to try this out but i cannot find the button lol
what is this god forsaken creation
The neuro emoji
ask an AI to make a "photorealistic version" of either of them. or better yet, both of them.
the one i got was nightmare fuel.
Straight from my phone’s poor overheating processor
perish
Oh i turned apple Intelligence off
That's why image playground did not work lmao
why use apple
I was a long time android user who recently switched to iOS and i gotta admit i prefer it
i actually start to think that phones are overrated
i would like to have just laptop on arm or something
all phones can do the same stuff. apple apps just look better.
no, really, think for a moment
why you need phone, if you can have just small laptop
only thing that is better with phone nowadays is that on phone you can respond quicker
A phone is all about portability and mobility
Something that even a small laptop really isn't
the whole point of apple products used to be they offered quality and it reflected in pricing but nowadays they aren't so clearly ahead with that stuff... something like that anyway... also just convenience if someone really wanted their products to interact
i don't buy a new one every year. they last a few and stay pretty competitive. (do not want a bending phone ;/ )
still on a 15 pro max. i bet the new one is good. ;/
i have budget phone from 2019 and not plan to buy new
i took a pay cut with a job change. i can still get a new phone but i now i need to think about it in advance. i hate planning. ;/
i do hope that the new ceo changes that
apple folk 
I hope that iOS 27 changes that
But tbh I'm currently on 26.5 and i don't really notice any bugs or issues
why not graphene os
i think tim apple should've given jobs to the people.
The pixel hardware really sucks. I have a Pixel 10 with Graphene OS and I'm still using my Xperia 1 IV with a broken fingerprint scanner and no more software updates, because it's just plain better.
This
Pixel hardware is several years behind competitors
Tell fake Linus to invest more in framework
Apple did say their justification to remove 3.5mm beside size is waterproofing soo 

it claims waterproof to 6m for 30 minutes
Phone companies seethe at the concept of custom built phones
Because she is 
custom built phones are infinitely more likely to cause problems with their networks.
I have soldered the fuse onto the new DC-DC converter. I kinda had to cut into the housing to get acces to more wire cuz i broke the old wire 
I also have tape and that weird measure thingy now
Calipers
calipers?
Sure
If laptop manufacturer started adding 4G / eSIM into their motherboard, I'd agree with this sentiment 
Better than the current path they are going on
Getting more and more locked down
Caliper. Vernier Caliper 
old bussiness laptops had this feature. they could even connect to phoneline internet.
i know cuz i have one
Exactly. They didn't make it more mainstream
ipads can have cellular. people still use a phone.
I can slap SIM8400 to framework tho
This stuff
https://en.simcom.com/product/SIM8400.html
SIM8400
framework could just have a sim module ye 
Well a tablet just isn't portable
Honestly if we get more tools for building this sort of shit ourselves that would be nice
i played with a cellular modem for a while until my free credit on the data plan ran out.
i didn't get to play with voice though. it's not hard to make a phone: it's hard to make a phone you can sell.
I wish we don't need a PC tho. Like, just carry around a single chip that can interface with any computer which automatically makes the computer like your own personal computer 
Like, sure. Owning a computer is still viable
you mean a bootable linux distro or something?
Yep
It's hard to make a phone that actually has good usability aspects (UI + UX) and is well supported
But like, actually useful
Sounds like a security risk
Depending on how its implemented
i assume it's encrypted if it's got anything sensitive on it.
Im saying like if the hardware is tampered with
also backed up regularly at your friend's place

Whats that goofy os on the right
if you don't trust the computer you shouldn'tplug your drive into it.
android
Why does it look so fisher price
this is litteraly the second day in a row someone asked me what os something is, and its jsut android
Like windows xp and leapfrog had a baby
the wallpaper
yesterday was dex
wallpaper engine
oops.. meant to reply to "why does it look so fisher price"
its just android with a cute animated wallpaper 😭
I think its also how big everything is
With the simple launcher
Why are u running android on a laptop tho
it's probably a low res monitor
its a tablet
check the message im replying to
just a detachable magnetic keyboard that doubles as a cover
i had a suface on my desk at work coz the management person who bought it and wanted me to test it left the company before I could finish and it was never entered into the company records properly.
pita to use even with a dock. ;/
but in a pinch it was ok. not great.
the one i used i think was windows 10... or 7. wasn't 8. the only person i know who liked 8 was my little brother.
usb things exist (and i have one, but practically for me it is impossible to use since mobile internet in my area completely disabled)
also it is hypothetical cuz you kinda have to use phone at least for sim and some bank apps
sorry guys, off topic, but my project is finally done https://github.com/BorgorNinja/aura-launcher/
what is Jetpack Compose and Material 3 Expressive
if it is just framework
it is launcher for what?
android launcher written in jetpack compose and yeah that
its my first time ever getting in mobile development
for what?
Not phone, android 

But also, my bank has internet banking and sms banking 
sms banking mmmm so secure
Yeah, the interaction is not the best since it requires a different code each time 
But also it is limited on what you can do 
i remember we used to have a thing where you’d tell siri to text a number something like “<your phone no> <amount>” and that would send you money from a locked phone
like 15 years. ago
or whenever siri came out
why this even was thought of as a good idea without something else in place first remains to be told
what, sms banking or being able to text from a locked phone with siri
i forgot basic thing
what exactly index do? it rearrange data, or it just keep some table for quick access/inserts that use WHERE ?
?
both not very good ideas
being able to send money from a locked phone
It is indeed not secure. Doesn't mean any random person can intercept my sms without expensive hardware and targeted attack 
altho I maintain both being bad ideas
how would being able to text from a locked phone lead to sending money from a locked phone?
oh icwym now
don't they actually do that in china?
Phone builds? Bruh
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Ik what's phone building
Except u use some hot glue etc to mend things together
Or stick it
no different than zip-tying fans to a case
oh hey ive seen this video befo- 9 years ago 
alive chat
undead chat

hi "soldering rn"! 
I formally don't acknowledge your presence, in defiance of the standard introductory social exchanges
no program for you 
Vector database might be better?
And idk vector itself is even a thing lmao
array is on the stack, vector is on the heap
iirc
the main difference comes down to that, and what that means in terms of them being editable and stuff
i think
its been a while
arrays can be wherever

but they are fixed size
vector is growable
in c++, that is
in some languages array types may be the equivalent of c++'s vector
"std::array is stored on the stack and std::vector is stored on the heap" Yes but... this is only true if std::array is (part of) a local variable. If std::array is a member of an object that is stored on the heap, then std::array is stored with that object on the heap.
-guy on linked in
i see
std::array is different from c arrays though
but mhm its a thing as well
i like it because it has stl bells and whistles
stl like the file format?
technically you can use a custom allocator and put the elements in a std::vector on the stack 
standard template library
technically c++ stdlib isnt stl, but it's based on stl so everyone calls it stl 
Uh heap I heard before but idk what lol
It’s a growing array I see…
That thing in Java they call arraylisr
stack is fast, heap is slower but more versitile
Heap is array that grows u see?
generally
I sss
Array list vs array lol
Finally after so long Ik what heap is
Is
Thanks
its more general. every variable gets stored in either the stack or the heap
unless there are some exceptions i forgor
stack is nice and ordered, heap is messy and goes through an allocator
Heap is growing array that’s it I see
Other stuff aren’t as important to know
no
Or put simply
It grows to get messy?
Both will have their way of finding the index of a thing
no it's just a memory region
One slower?
stack is preallocated memory to a program, heap is memory that can be allocated by system apis
this, better explanation
Ok
both are equal in speed to read and write, but allocating fresh memory on the heap costs more
stack nice ordered list, heap big blob of data
there's also the heap data structure but that's separate 
So stack
List
Tree
Hashmap
Heap
Queue
So many weirdos
Generally whats the most used one?
Also is vector database similar to vector
Vector is heap right u say?
arrays are used to implement all of these
you should also note that reading or writing to a freshly allocated page of memory causes a page fault, which costs some cycles
Yeah Ik fix amount on fox position
its an important real-world performance characteristic

Array list, tree, hashmap can all be created from objects and arrays

Also why are company interview questions all about implement these when we can literally just use premade databases bruh
not that important tbh but noteworthy
Weird af
it big difference in my VM
that's an exception 
hav to use hugepages because it cuts the number of page faults by 512x (4kib page to 2mib page)
they expect you to be able to be the guy making the premade ones
it's an easy thing to test to see if you at least know anything
ye in latency-critical circumstances hugepages are very good
especially with lots of unordered reads/writes
For what bruh
i remember having to use 64k pages for the gh200 but then ripgrep's allocator had a stroke 
Weird companies

p=np
Debate
n=1
or p=0
true
Most used stuff on higher level is list, hashmap, queue, while the rest is usually more lower level stuff afaik
they want to hire the best person for the job. so if they have the choose between someone that knows data structures vs someone that doesn't
Well I can explain but not write it out lmao
I do for exam only
And understand
lodi•pol
Most coding interviews expect u to implement DSA
Not really create something like bubble/quick sort, merge sort from code etfc
Dsa is what
quicksort
Data s a?
Data structures and algorithms
hashmaps 
Oh ok yeah
bloom filtrr
hash distribution 
Bloom filter based hash map
So disgusting
quicksort asymptotic performance gets worse as the array approaches being sorted
Ig I'll just fail those
konii I had to use shitty hash functions for my bloom filter and it's so bad 
Those stuff I can't remember long term
for most sorting operations, its an incremental sort
No way remember just for interview everytime and forget
in a shader????
quicksort not very good for most real world use cases
Best sort is whar
Also why quick isn't bestmvicthoguht it's quickest? It's merge on a little different way
not technically a shader but yeah on the gpu
always depends on the data
im calling the police on toast
For more junior positions they ask that kinda bs, for more senior it becomes more system design and experience
That's like saying merge is worse than bubble sort cuz u lucky lmao
Alu pipeline already too highly utilised the good hash functions broke everything 
no it isnt
Best for overall is what tho?
Or best few
but merge can be worse than bubble if the hidden coefficients are right
you go make a bloom filter on the gpu without hashing 
Yeah senior cuz u wrote before so it's not too hard
But for 0 experience 4y college it's hard
it depends on the size of the array and the type of data
ive spent ab hour soldering the hard part, and 2 hours fucking up the easy part 
Well then what's the few best sorts?
idk, what i was trying to type there

for short lists, insertion sort nearly always beats quicksort despite having worse asymptotic complexity because of hidden coefficients, especially where the list is nearly sorted
most standard libraries dont use a single algorithm for array sorting, they pick an algorithm based on a heuristic
the best way to sort is to rerun the program until the cpu put it in the correct location during the init shuffle
now that I think about it
the average will be worse, but the pb will be better
are there avx implementations of the various sorting algorithms and would that even make sense 
I feel like you should be able to make it work
there are some yes
when optimising, we always optimise for the worst case 
nuh-uh
worst real case
or well, for what i do im indeed optemizing for worst case
but for this its funny to get lower time
if you know the data you can narrow the definition of real
true
That's random sort
no, the crucial difference is that its a seperate run

hashmap sequential access 
fun fact, the duplicate DNA in the human genome made my cuckoo filter insertion 3400x slower than the new bloom filter
small slowdown 
lol no
it is
hashmaps hard to do in parallel
it's so bad
but you can brute force with sheer parallelism and memory bandwidth I guess
hard not mean suboptimal
big gpu
gpu big
toast, how exactly did you make bloom filter?
it helps that memory bandwidth is the only thing that really matters and the one thing Nvidia/amd care enough to improve
I sat down and wrote some code 
i meant may i see the code?
sure gimme a sec internet do be shit
What stuff do interviews today like to ask?
Other than system design and job specific requirements (uh probably this is most of it I think)
things about you as a person i guess
what's your favourite colour
I once got asked
We have a robotic and data analysis(the one closer to bower bi not analysis)
When I'm data science/swe resume
Then I pick data analysis one then they ask ur stuff is not suited for that why should we hire u...
Like wtf lol
If they know they don't have a role for me why they interview
Business analytics I mean
While the closest thing D's and business analytics has in common is data representation
At most I say I have accounting knowledge in high school...
I do this in most discord smh
dont

Tho idk how to use it as an advantage for content creation
Like recording urself for YouTube

Cuz my ideas don't last long
I don't want to leave this train the AC is so nice 
Idk what's that
I'm ant memory
what i jsut did has got to be the worst solder job ive ever done
so far 
If my solder skills get even worse then i might aswell just pay someone else to do this instead 😭
Bro soldering cant be that hard
My sister can do that 😭 unless ur doing some sort of hard different soldering
Ok yeah that explains lol
I also had trash experiences with a bad iron

Thosd bridged pads arent shorted btw
Or well, they're supposed to be, they're both the + side

https://developer.nvidia.com/blog/nvidia-cuda-13-3-enhances-gpu-development-with-tile-programming-in-c-compiler-autotuning-and-python-updates/ oh finally, cutile c++ 
ooooooh c++23 support, fuck yeah
std::println my beloved
time to make cuda 13.3 the minimum supported version 
i should prob test if i fucked up on a cheaper phone brick than the 140W one
the smasnug 7.8W shall lay down its life for science
ok it worked, negotiated to 5V
the smasnug shall see another day
bro
are you like completely just not using flux or something

i see
anyways, i let it run for a bit longer and then it started bootlooping
so its fucked maybe
i wonder whats shorting
alright
the ground from the usb is supposed to connect to the connector metal itself right?
usb metal directly connects tot he ground wire so that's good
Minor bug fixes and improvements
thanks nvidia, very helpful
there's a new feature branch driver apparently, 610 
Added support for creating Vulkan logical devices from multiple physical devices
isn't this kinda huge
Typical GitHub commit
Bro what
the pads you can visibly see connected are both positive pads
cuz this thing can come with multiple different connectors
yeah but don't put this in release notes 
Honestly, I prefer this than supporting old minimum version but not max latest version 
same but as much as I'd love to do this it's not worth it 
maybe when 13.4 rolls around I guess
tbf at the moment the minimum is 13.1 so does it really matter
Wdym bootlooping?
What is the supposed output?
supposed?
im trying on a cheap charger brick rn so 5V
it does do 5V, but its shorted somewhere
its a shakey short
welcome back sli
apparently they technically already supported the extension but it just didn't work?
unless this is separate
@olive sable you will be graded
remember this information
The Ishihara test may have foiled you once, but never again. This test is beatable for even the severely colorblind. There are several methods for giving you the edge and one that pretty much breaks the test wide open.
Transcript & References:
https://chromaphobe.com/7-ways-to-cheat-the-ishihara/
Glossary, including all of the technical terms i...

Yeah, like USB PD can do a lot of voltage. What is the voltage that you set the PD trigger board to?
28v, but it just goes to the highest available if it cant get that
okay
which eye do i use?
yes they're differently colourblind 
one is more green
I would be concerned if you see a different things with different eyes when pointing to the same direction 
well
i see different things
cuz its slightly more green
but its also the same thing

The artificial intelligence company announced the data center will be positioned in the heart of the small, race car-themed bedroom where 8-year-old Billy Treaker fights a rare kidney disease on a daily basis.
Become an Onion member while it's still optional: https://membership.theonion.com/?campaign=701a500001geULHAA2
this is how we're going to solve the energy problem, humans are full of energy 
What beat?
July 14th is going to be fun lmao
Ngl, I really want to know wtf is happening behind MS doors for him to go mental
Microslop is gonna see what happens when you upset a security researcher real bad
Pulling the EAGLE3 PR for LLaMa.cpp
Lets see if I can't get Gemma 4 26BA4B Q8 hitting 100t/s
They laid him off without paying any bounty or anything so he went rogue
Theoretically should be possible if inference time of MoE models scales with the active parameters size rather than total parameters size
No, we actually don't know what happened. That's just speculation as both party doesn't really disclose anything more than "MS left me homeless"
Sure we can speculate that he didn't get paid, but why specifically is he not getting paid
Yeah but that's like 90% the case
What else would that mean?
Idk, for all we know it could be the dude is asking for his exploit to be categorized differently
My guess is they downplayed the impact of his research and now they're paying for it
Look at his bitlocker "exploit". The technicality of it makes it NOT a bitlocker exploit BUT it does bypass bitlocker
Well
Exactly. That's what I wanted to know
In the end the impact in this case the bypass is what matters
Yes, but it also matters HOW ms setup their security disclosure frameworks
Maybe they don't do the classification by what gets bypassed but by what component is actually exploited
Maybe
Which is why I wanted to actually know wtf is happening for him to get so pissed lol
I have to offload a few layers to fit the model, right now I get around 70 tokens per second

I'm hoping speculative decoding can offset that cost
Right 24GB vs 26GB model
The Gemma 4 models are the perfect size to annoy specifically me

MoE just barely needs offloading and 31B is just barely out of reach at decent quality
If the dense one was a 27B model or QAT release it would be a slam dunk

q6?
I have to run the Qwen 27B model at IQ4_XS or something for it to fit properly
Forgor if that was the exact quant
Q6 doesn't fit even with just 16k context
Q4
Actually it doesn't fit period
Not worth it at that point imo
Q8 26BA4B makes more sense than lobotomising the 31B model
is the Q4 bad
Fairly yeah, in fact most of the recent crop of open weight models don't quant down to 4 bit gracefully at all
Kimi being an exception since it had QAT
If it was that simple I would have had 10 GPUs ages ago
honestly im surprised you didn't have more than your 4090
I generally trade in my prior GPU to offset the cost of the next gen of hardware
i was expecting you to be at least loaded enough for hardware tbh








