Explaining how computers really work—from logic gates, CPUs, memory, C Language, and Linux to RISC-V, ARM, x86, AI, and large language models.

La Canada Flintridge, CA
Joined June 2018
Gate and Kernel retweeted
Dennis Ritchie wasn't trying to create one of the world's most important programming languages. he was trying to build a better language for Unix. Ken Thompson's B was too limited for the new PDP-11, so Ritchie started adding types and building a real compiler. That became C. the first version was built on a machine with just 24 KB of memory. Decades later, C is still running the world.
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Gate and Kernel retweeted
Replying to @insidecomput
hey, that's so cool! sounds like a simple yet important part of circuits. 💅
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Gate and Kernel retweeted
Why is every tech giant hoarding GPUs right now? 🤖💡 It comes down to one core architectural difference: 1️⃣ CPUs prioritize low latency (running sequential logic as fast as possible). 2️⃣ GPUs prioritize high throughput (running thousands of parallel threads at once). Turns out, rendering 3D pixels in video games requires the exact same math as training LLMs. Once you understand the hardware-software boundary, the entire AI stack finally makes sense.
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Gate and Kernel retweeted
Replying to @insidecomput
AI safety and proper controls are becoming more important than ever as autonomous agents continue to evolve.
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Gate and Kernel retweeted
LLMs Don’t Need GPUs Anymore? 17,000 Tokens Per Second! youtu.be/mCkVBm8m9mQ
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Gate and Kernel retweeted
Replying to @insidecomput
DRAM needs refresh, while NAND traps charge.
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Gate and Kernel retweeted
Replying to @insidecomput @Dell
Plus it keeps laptops like the @Dell XPS 13 thin, light, cool, and efficient!
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Gate and Kernel retweeted
How Linux Works youtu.be/9PkIYK9tdAI?si=NU-E… A simple ls command travels through: User ↓ Shell ↓ fork() ↓ execve() ↓ Kernel ↓ VFS ↓ Page Cache ↓ Filesystem ↓ Terminal before you see the result. Most users never realize how much happens behind a single command.
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Gate and Kernel retweeted
How Linux Architecture Works ? youtu.be/KNw5b8emVpU A simple Linux workflow looks like this: User enters a command in the shell The shell interprets the command System libraries translate requests into system calls The kernel processes the request Device drivers communicate with hardware Results return back to the user application
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Gate and Kernel retweeted
Copy Fail CVE-2026-31431: How 4 Bytes Turn a Linux User Into Root #kernel #cpu #pagecache #copyfail youtu.be/3cwZV57aiCA Most Linux LPEs need a race window or a kernel-specific offset. Copy Fail is a straight-line logic flaw — it needs neither. The same 732-byte Python script roots every Linux distribution shipped since 2017. Part 1: Why This Vulnerability Is So Special Part 2: The One Concept You Must Understand Part 3: The Critical Insight Part 4: How the Attack Works Part 5: The Bug Itself Part 6: Writing Into the Page Cache Part 7: The Final Step Part 8: Why This Is So Dangerous Part 9: Containers Are Not Safe Part 10: How Did This Even Happen Part 11: Final Insight
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Gate and Kernel retweeted
Replying to @insidecomput
Pipeline ≠ Parallelism Pipeline: Same work, overlapped Parallelism: Different work, simultaneous One improves flow. The other increases capacity. #CPU #Hardware
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Gate and Kernel retweeted
Replying to @insidecomput
Clear distinction, real outcomes matter. Latency and determinism are big wins for FPGA in AI inference and networking, curious about toolchains
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Gate and Kernel retweeted
Google just dropped a quantum bomb 💥 Their new chip Willow solved a problem in <5 minutes That would take a supercomputer 10 septillion years Now people are asking: Are quantum computers tapping into parallel universes? Reality: No proof of that. But something big is happening. ⚡ #QuantumComputing #Google #AI #Tech
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Gate and Kernel retweeted
They sent four human beings 252,756 miles away from Earth, guided them around the Moon, and brought them back safely—landing at a precise location on Earth. No GPS. No modern computers. Just math, physics, and human brilliance.
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Gate and Kernel retweeted
Replying to @insidecomput
The future of computing isn’t one technology. It’s a WAR of paradigms: | Hardware | Strength | Weakness | | GPU | Massive parallel AI | Power hungry | FPGA | Ultra-low latency | Hard to program | Quantum | Exponential scaling | Not practica
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Gate and Kernel retweeted
The future is not one chip. It’s a stack: CPU + GPU + FPGA + Quantum
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Gate and Kernel retweeted
Sequential Processing is why your code feels slow. But most engineers never question it. Let’s break it down 👇
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Gate and Kernel retweeted
ARM + FPGA = System DO you Agree ?
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Gate and Kernel retweeted
Most FPGA designs fail here 👇
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Gate and Kernel retweeted
Real systems don’t choose. They combine.
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