performance Memes

Don't Do Recursive Fib Kids
Algorithms Programming Math Python
2 days ago 1.4M views 0 shares
Don't Do Recursive Fib Kids
Calculating the 87th Fibonacci number with naive recursion? Buckle up, because your CPU is about to experience the heat death of the universe in real-time. The joke here is that recursive Fibonacci without memoization has O(2^n) time complexity—meaning each call spawns two more calls, which spawn two more each, creating an exponential explosion of redundant calculations. For fib(87), you're looking at roughly 2^87 operations, which is about 154 quintillion function calls. Even on a supercomputer doing 1 billion ops/second, that's... yeah, 51 years sounds about right. Meanwhile, a simple iterative solution or dynamic programming approach would solve it in under a microsecond. It's the textbook example of why Big O notation matters and why your CS professor kept screaming about memoization during that algorithms lecture you slept through. Fun fact: The 87th Fibonacci number is 679,891,637,638,612,258,246,517,205,275,170,766,368. Your recursive function will calculate fib(2) approximately 43 billion times to get there. Efficiency? Never heard of her.

New Intern
Git Programming Backend Debugging
3 days ago 1.4M views 2 shares
New Intern
Oh sweet summer child. Our dear intern just read ONE forum post about Assembly being fast and decided to rewrite the ENTIRE codebase from a high-level language to Assembly. You know, just casually touching 3000+ files, deleting what they thought were "high-level files we don't need anymore" (spoiler: we DEFINITELY needed those), and creating a diff so massive that GitHub itself is having an existential crisis. The confidence! The audacity! The sheer chaos of +17 MILLION additions and -1.8 MILLION deletions! And then having the NERVE to say "GitHub seems to be lagging" as if the problem is GitHub and not the fact that they just nuked the entire project into oblivion. The cherry on top? They're already looking forward to feedback so they can start their NEXT task. Buddy, your next task is updating your LinkedIn because this PR is about to become a legendary cautionary tale.

Assembly Very Fast Language
Git Programming Debugging
3 days ago 1.8M views 0 shares
Assembly Very Fast Language
Someone took the advice "Assembly is the fastest language" a bit too literally and rewrote their entire codebase in Assembly. The result? A catastrophic commit showing +1.7 million additions and -186k deletions across 3,158 files. They casually mention that some "high-level files" were deleted because "we don't need them anymore" – you know, just the entire application logic written in a sane language. The best part is the complete obliviousness to the disaster they've created. They're apologizing for GitHub lagging (yeah, no kidding with that diff size) and cheerfully asking for feedback on their "next task." Buddy, your next task should be reverting that commit and maybe reading what "fastest language" actually means in context. Sure, Assembly runs fast, but your development velocity just hit negative infinity. Hope they have good backups, because that's not a refactor – that's a war crime against version control.

Chrome Is Pushing My Computer's RAM To Its Limits
AI Webdev Hardware Frontend Programming
13 days ago 1.8M views 0 shares
Chrome Is Pushing My Computer's RAM To Its Limits
Your laptop is just vibing, minding its own business, running like a champ. Then Chrome decides to casually install some random 4GB AI model you absolutely did NOT consent to, and suddenly your machine is getting OBLITERATED like a school bus getting absolutely demolished by a freight train. The sheer AUDACITY of Chrome treating your RAM like it's an all-you-can-eat buffet while you're just trying to keep 47 tabs open for "research purposes." RIP to your laptop's will to live.

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People Who Still Believe...
Gamedev Hardware
15 days ago 1.3M views 0 shares
People Who Still Believe...
The audacity! The DELUSION! Someone really out here trying to convince us that the human eye can't see beyond 30 fps like it's some kind of biological fact. Meanwhile, gamers worldwide are literally weeping tears of joy when they upgrade from 60Hz to 144Hz monitors because apparently their eyes didn't get the memo about this supposed limitation. This myth has been circulating since the dawn of gaming time, probably started by someone trying to justify their potato PC. The truth? Your eyes don't work in frames per second at all – they're analog, baby! Studies show people can absolutely perceive differences well beyond 30 fps, with many noticing improvements up to 150+ fps. But sure, keep telling yourself that cinematic 30 fps is "more realistic" while the rest of us are living in buttery smooth 120+ fps paradise.

Cpp Isn't Much Faster
C++ Python Programming Algorithms
16 days ago 798.5K views 1 shares
Cpp Isn't Much Faster
When someone complains that their 3000-line C++ monstrosity is only marginally faster than your elegant 10-line Python script, just remind them about Big O notation. Sure, C++ might be 0.001 seconds faster per execution, but when you're running benchmarks a few hundred billion times to prove your point, suddenly that tiny difference becomes statistically significant enough to justify the extra 2990 lines of template metaprogramming hell. The real kicker? While the C++ dev spent three weeks debugging segfaults and fighting with the compiler, the Python dev already shipped the feature, went on vacation, and came back to find it running just fine in production. But hey, at least those benchmark graphs look impressive on the performance review slide deck.

Defeated The Whole Purpose Of Writing In Assembly
AI Programming C++ Algorithms
17 days ago 1.2M views 0 shares
Defeated The Whole Purpose Of Writing In Assembly
So someone submitted an AI-generated assembly patch to dav1d (a video decoder), and it was slower than C. Let that sink in. Assembly—the language you write when you want to squeeze every last CPU cycle out of your code—got outperformed by C because an AI wrote it. The entire point of hand-writing assembly is to achieve performance that compilers can't match. You're basically telling the compiler "step aside, I'll optimize this myself." But AI-generated assembly? That's like hiring a robot chef to make instant ramen and somehow ending up with something worse than the microwave version. Turns out AI doesn't understand cache lines, instruction pipelining, or the dark arts of SIMD optimization. It just vomits out syntactically correct assembly that runs like it's stuck in molasses. Modern C compilers have decades of optimization wizardry baked in—AI has... vibes.

Watching Me Lose 5 Games In A Row
Hardware Gamedev
22 days ago 393.8K views 0 shares
Watching Me Lose 5 Games In A Row
Your gaming PC sitting there with its RGB lights and high-end specs, watching you blame everything except your own skill. "It's the lag," you say. "The matchmaking is broken," you insist. Meanwhile, your rig is internally screaming "I have 32GB of RAM and a 4090, maybe it's not the hardware, chief." That cat's expression is exactly what your $3000 machine looks like when you rage quit for the fifth time and start Googling "how to improve aim" instead of just practicing. The PC isn't judging you... it's just concerned about its life choices and wondering if it could've been used for something more productive like training ML models or rendering Blender scenes. At least when your code fails five times in a row, you can blame the compiler.

A Rare Non AI Meme
Rust Programming Backend
23 days ago 343.4K views 1 shares
A Rare Non AI Meme
Rust devs really out here acting like they just solved world hunger because they shaved off 8 measly bytes by swapping Vec<T> for Box<[T]>. THE AUDACITY. The absolute SWAGGER. They're strutting around like they just engineered the Golden Gate Bridge when in reality they optimized a data structure that'll save approximately 0.00000001% of your server's memory budget. But hey, when you're obsessed with zero-cost abstractions and memory safety, every byte is a VICTORY WORTH CELEBRATING. Meanwhile the rest of us are over here with our garbage collectors just vibing, blissfully unaware of the epic engineering feat that just transpired. Classic Rust energy: maximum effort, microscopic gains, infinite smugness.

The Legend Is Back
Hardware Gamedev
26 days ago 293.9K views 0 shares
The Legend Is Back
The Undertaker rising from his coffin, except instead of the Dead Man, it's the AMD Ryzen 9 5800X3D crawling back from the grave to absolutely DESTROY everything in its path! This CPU refuses to die, and honestly? It's becoming embarrassing for the newer chips. Like, imagine releasing a brand new processor in 2024 only to have a chip from 2022 still matching or beating you in gaming benchmarks. The 5800X3D just keeps delivering knockout performances with its 3D V-Cache technology, proving that sometimes the old guard refuses to retire gracefully. It's basically the tech equivalent of that one coworker who said they'd quit three years ago but is still showing up and outperforming everyone.

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Expectation Vs. Reality
Hardware Gamedev
26 days ago 301.1K views 1 shares
Expectation Vs. Reality
Oh, the marketing department would have you believe that gaming laptops are these ABSOLUTE BEASTS OF PURE POWER—RGB lights blazing, ready to render the entire universe at 500 FPS while simultaneously curing world hunger. The reality? Your $3000 "gaming" machine transforms into a glorified toaster oven that throttles harder than a nervous driver in rush hour traffic. Sure, it's got all those fancy specs on paper, but the moment you launch anything more demanding than Minesweeper, it's wheezing like it just ran a marathon. The cooling system is basically a suggestion, the battery life is measured in minutes, and that "portable powerhouse" weighs more than a small car. But hey, at least the RGB makes it go faster, right?

Whiplash Whenever It Happens
Gamedev Hardware Unity
27 days ago 292.9K views 0 shares
Whiplash Whenever It Happens
You spend thousands on a GPU that could probably run a small country's power grid, optimize your game to run buttery smooth at 4K 120FPS, and you're just vibing through gameplay like it's a casual Tuesday. Then a cutscene starts and suddenly you're watching a PowerPoint presentation from 2003. The jarring transition from silky smooth gameplay to choppy cinematic feels like your brain just got rear-ended by a truck. Game devs really said "let's pre-render these cutscenes at 720p 24FPS to save on file size" while your RTX 4090 sits there crying in the corner, begging to be utilized. The whiplash is real—it's like going from a luxury sports car to a shopping cart with one wobbly wheel. Bonus points when the cutscene is unskippable and you're forced to watch it in all its stuttery glory.