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Title: karnstack | Engineering mastery for the AI era

Open Graph Title: karnstack | Engineering mastery for the AI era

X Title: karnstack | Engineering mastery for the AI era

Description: Animated, first-principles courses on distributed systems and Go, and a video library of the papers behind modern software. Watch a full lesson free.

Open Graph Description: Animated, first-principles courses on distributed systems and Go, and a video library of the papers behind modern software. Watch a full lesson free.

X Description: Animated, first-principles courses on distributed systems and Go, and a video library of the papers behind modern software. Watch a full lesson free.

Opengraph URL: https://karnstack.com/

direct link

Domain: karnstack.com

Hey, it has json ld scripts: 
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Links:

New: How LLM Inference Works is out. 9 animated lessons on what a model call does on the GPU and why it costs what it costs.is out. 9 animated lessons. Start watchinghttps://karnstack.com/dashboard/courses/llm-inference
karnstackhttps://karnstack.com/
Courseshttps://karnstack.com/dashboard/courses
Trackshttps://karnstack.com/dashboard/tracks
Papershttps://karnstack.com/dashboard/papers
Pricinghttps://karnstack.com/pricing
Sign inhttps://karnstack.com/sign-in?redirect_to=%2Fdashboard
karnstackhttps://karnstack.com/
Sign inhttps://karnstack.com/sign-in?redirect_to=%2Fdashboard
Watch a free lessonhttps://karnstack.com#watch
Browse the courseshttps://karnstack.com/dashboard/courses
Design a Message Queue · Lesson 6https://karnstack.com/dashboard/courses/design-message-queue/learn/06-delays-and-fifo
Open the coursehttps://karnstack.com/dashboard/courses/distributed-systems
Hover to playTap to playFig 01900 requests arrive, 800 finish, 6,000 wait in lineWhy distributed? The single machine ceilinghttps://karnstack.com/dashboard/courses/distributed-systems
Fig 02Jobs fan out across the workers and fan back in as resultsFan-out and fan-in: fetch every source at oncehttps://karnstack.com/dashboard/courses/go-foundations
Fig 03Checks in the middle help, but only the ends know correctEnd-to-End Arguments in System Designhttps://karnstack.com/dashboard/papers/end-to-end-arguments
Fig 04W=2, R=2 on three replicas: every read meets the writeDynamo: the cart store that always says yeshttps://karnstack.com/dashboard/courses/distributed-systems
Hover to playTap to playFig 054,000 engineers wrote the file, #4,001 has to read itWhy Go, why now: a 2007 language built for the AI erahttps://karnstack.com/dashboard/courses/go-foundations
Fig 0640,000 fans a second become 1 database query a secondCaching: the seat map, asked 40,000 times in one secondhttps://karnstack.com/dashboard/courses/distributed-systems
https://karnstack.com/dashboard/courses/distributed-systems
01Why distributed? The single machine ceiling11 minhttps://karnstack.com/dashboard/courses/distributed-systems/learn/01-why-distributed
02TCP: the first arrow14 minhttps://karnstack.com/dashboard/courses/distributed-systems/learn/02-tcp
03TLS: a secret in public13 minhttps://karnstack.com/dashboard/courses/distributed-systems/learn/03-tls
04Service discovery: finding payments mid-drop11 minhttps://karnstack.com/dashboard/courses/distributed-systems/learn/04-service-discovery
And 21 morehttps://karnstack.com/dashboard/courses/distributed-systems
https://karnstack.com/dashboard/courses/go-foundations
01Why Go, why now: a 2007 language built for the AI era12 minhttps://karnstack.com/dashboard/courses/go-foundations/learn/01-why-go
02The toolchain tour: installing Go with mise, run, build, fmt, vet8 minhttps://karnstack.com/dashboard/courses/go-foundations/learn/02-toolchain
03Your first program: compile it, run it, see what happened13 minhttps://karnstack.com/dashboard/courses/go-foundations/learn/03-first-program
04Values, variables, constants, and zero values15 minhttps://karnstack.com/dashboard/courses/go-foundations/learn/04-values
And 29 morehttps://karnstack.com/dashboard/courses/go-foundations
https://karnstack.com/dashboard/courses/dsa-foundations
01Complexity: big-O, amortized, and the cost model that matters14 minhttps://karnstack.com/dashboard/courses/dsa-foundations/learn/01-complexity
02The memory hierarchy: why arrays are fast14 minhttps://karnstack.com/dashboard/courses/dsa-foundations/learn/02-memory-hierarchy
03Arrays and dynamic arrays from scratch13 minhttps://karnstack.com/dashboard/courses/dsa-foundations/learn/03-dynamic-arrays
04Strings: immutability, builders, and the hidden O(n)13 minhttps://karnstack.com/dashboard/courses/dsa-foundations/learn/04-strings
And 13 morehttps://karnstack.com/dashboard/courses/dsa-foundations
https://karnstack.com/dashboard/courses/llm-inference
01What happens in one model call21 minhttps://karnstack.com/dashboard/courses/llm-inference/learn/01-one-model-call
02Tokens: what you pay for22 minhttps://karnstack.com/dashboard/courses/llm-inference/learn/02-tokens
03Inside the forward pass29 minhttps://karnstack.com/dashboard/courses/llm-inference/learn/03-the-forward-pass
04Prefill and decode25 minhttps://karnstack.com/dashboard/courses/llm-inference/learn/04-prefill-and-decode
And 5 morehttps://karnstack.com/dashboard/courses/llm-inference
https://karnstack.com/dashboard/courses/mcp-from-zero
01Why a protocol for tools15 minhttps://karnstack.com/dashboard/courses/mcp-from-zero/learn/01-why-mcp
02JSON-RPC on the wire19 minhttps://karnstack.com/dashboard/courses/mcp-from-zero/learn/02-json-rpc-on-the-wire
03Tools: list, call, and the model in between19 minhttps://karnstack.com/dashboard/courses/mcp-from-zero/learn/03-tools-on-the-wire
04Tools cost context: choosing servers and keeping the list small25 minhttps://karnstack.com/dashboard/courses/mcp-from-zero/learn/04-tools-cost-context
And 6 morehttps://karnstack.com/dashboard/courses/mcp-from-zero
https://karnstack.com/dashboard/courses/design-message-queue
01What a queue promises23 minhttps://karnstack.com/dashboard/courses/design-message-queue/learn/01-what-a-queue-promises
02The log on disk21 minhttps://karnstack.com/dashboard/courses/design-message-queue/learn/02-the-log-on-disk
03fsync and the loss window20 minhttps://karnstack.com/dashboard/courses/design-message-queue/learn/03-fsync-and-the-loss-window
04Receiving without losing a message23 minhttps://karnstack.com/dashboard/courses/design-message-queue/learn/04-receiving-without-losing
And 5 morehttps://karnstack.com/dashboard/courses/design-message-queue
3 of 12 liveBackend engineerBuild and run the server side of a product: HTTP, APIs, databases, auth, caching, queues, and what changes when one server is not enough.https://karnstack.com/dashboard/tracks/backend-engineer
2 of 9 liveSystem design interviewLearn the building blocks, then work through the classic designs the way an interview runs them: requirements, estimates, a first design, then deep dives.https://karnstack.com/dashboard/tracks/system-design-interview
2 of 8 liveAI engineerShip product features built on language models: how inference works, retrieval, agents and tools, evals, and running it all in production.https://karnstack.com/dashboard/tracks/ai-engineer
1 of 7 liveCoding with agentsGet real work done with AI coding agents, from a first session in your repo to agents that run on their own in CI.https://karnstack.com/dashboard/tracks/coding-agents
1 of 5 liveCoding interviewThe data structures and algorithm patterns coding interviews test, each taught with the real system that uses it.https://karnstack.com/dashboard/tracks/coding-interview
Courses still to come show as open steps, and fill in as they ship.See all trackshttps://karnstack.com/dashboard/tracks
Browse the libraryhttps://karnstack.com/dashboard/papers
No Silver Bullet: Essence and Accidents of Software Engineeringhttps://karnstack.com/dashboard/papers/no-silver-bullet
The Tail at Scalehttps://karnstack.com/dashboard/papers/tail-at-scale
Reflections on Trusting Trusthttps://karnstack.com/dashboard/papers/trusting-trust
Attention Is All You Needhttps://karnstack.com/dashboard/papers/attention
Full changeloghttps://karnstack.com/dashboard/changelog
Nov 4How LLM Inference WorksCoursehttps://karnstack.com/dashboard/courses/llm-inference
Oct 17MCP from ZeroCoursehttps://karnstack.com/dashboard/courses/mcp-from-zero
Oct 15Design a Message QueueCoursehttps://karnstack.com/dashboard/courses/design-message-queue
Oct 15The player remembers your speed and volumeFixhttps://karnstack.com/dashboard/changelog#2026-10
Oct 14Send feedback from any pageFeaturehttps://karnstack.com/dashboard/changelog#2026-10
See all 34 and votehttps://karnstack.com/dashboard/ideas
Watch a free lessonhttps://karnstack.com#watch
See pricinghttps://karnstack.com/pricing
karnstackhttps://karnstack.com/
https://instagram.com/karnstack
https://linkedin.com/company/karnstack
https://x.com/karnstackdotcom
Courseshttps://karnstack.com/dashboard/courses
Papershttps://karnstack.com/dashboard/papers
Guideshttps://karnstack.com/dashboard/guides
Stacktracehttps://karnstack.com/dashboard/stacktrace
Changeloghttps://karnstack.com/dashboard/changelog
Pricinghttps://karnstack.com/pricing
How it's madehttps://karnstack.com/how-its-made
Termshttps://karnstack.com/terms
Privacyhttps://karnstack.com/privacy
af0a108https://karnstack.com/changelog
Karnhttps://linkedin.com/in/karngyan

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