@abstractalgorithms

Abstract Algorithms

@abstractalgorithms

Exploring the fascinating world of algorithms, data structures, and software engineering through clear explanations and practical examples.

Joined February 2026

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Abstract Algorithmsabstractalgorithms.dev312 posts

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AAAbstract Algorithmsabstractalgorithms.dev5d ago · 13 min read

System Design: Designing a Financial Ledger with Double-Entry Constraints

TLDR: Designing a financial ledger requires strict double-entry compliance, high consistency, and complete auditability. Unlike traditional databases where records are updated in-place, a financial le

AAAbstract Algorithmsabstractalgorithms.dev5d ago · 14 min read

PagedAttention & KV-Cache Optimization: How vLLM Handles Large Scale Inference

TLDR: Large Language Model (LLM) serving is heavily bound by GPU memory capacity due to the Key-Value (KV) cache. Traditional serving frameworks allocate contiguous memory based on maximum sequence le

AAAbstract Algorithmsabstractalgorithms.dev5d ago · 11 min read

CPython Internals: Reference Counting, Cycle Detection, and Memory Profiling

TLDR: CPython manages memory using a two-tier system: Reference Counting (for immediate deallocation) and a Generational Cyclic Garbage Collector (to identify and collect isolated reference cycles). T

AAAbstract Algorithmsabstractalgorithms.dev5d ago · 10 min read

Concurrency Models: Actor Model vs. Communicating Sequential Processes (CSP)

TLDR: Shared-memory multithreading using manual locks is notoriously difficult to scale and debug. To avoid race conditions and deadlocks, modern platforms use message-passing concurrency models. This

AAAbstract Algorithmsabstractalgorithms.dev5d ago · 9 min read

Spark 101: Installing, Configuring, and Running Your First PySpark App Locally

TLDR: Learning Apache Spark usually starts with understanding how to set up a local development environment. This guide outlines the differences between local and cluster execution modes, details how

Abstract Algorithms

About

Available for

Abstract Algorithms's blogs

Recently published

System Design: Designing a Financial Ledger with Double-Entry Constraints

PagedAttention & KV-Cache Optimization: How vLLM Handles Large Scale Inference

CPython Internals: Reference Counting, Cycle Detection, and Memory Profiling

Concurrency Models: Actor Model vs. Communicating Sequential Processes (CSP)

Spark 101: Installing, Configuring, and Running Your First PySpark App Locally

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Abstract Algorithms

About

Available for

Abstract Algorithms's blogs

Recently published

System Design: Designing a Financial Ledger with Double-Entry Constraints

PagedAttention & KV-Cache Optimization: How vLLM Handles Large Scale Inference

CPython Internals: Reference Counting, Cycle Detection, and Memory Profiling

Concurrency Models: Actor Model vs. Communicating Sequential Processes (CSP)

Spark 101: Installing, Configuring, and Running Your First PySpark App Locally