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Wiki Article · Cinematic

Multithreading

Multithreading ek programming concept hai jisme ek single process ke andar multiple threads of…

Overview
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Multithreading — Quick Facts

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Property: Detail

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Full Name: Multithreading (Concurrent…

Also Known As: Multi-threaded Programming,…

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Category: Programming Concept / Software…

Topic 1
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Infobox

📚 | Property | Detail | |---|---| | Full Name | Multithreading (Concurrent Programming) | |…
Topic 2

Etymology aur History

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Mainframe operating systems me…

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IBM OS/360 me subtask facility —…

Theoretical foundation: concurrent…

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Unix ne heavy process model follow…

Topic 3

Thread Basics

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Thread ID: Unique identifier

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Program Counter (PC): Current…

Stack: Function calls, local…

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Register Set: CPU register values…

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Thread vs Process

| Aspect | Process | Thread | |---|---|---| | Address Space | Own (isolated) | Shared…
Topic 5
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Thread Lifecycle

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New → Runnable: start() call…

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Runnable → Running: Scheduler…

Running → Runnable: Time quantum…

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Running → Blocked: Lock wait, I/O…

Topic 6
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Thread Lifecycle Diagram

`mermaid stateDiagram-v2 [*] --> New: Thread Created New --> Runnable: start() Runnable…
Topic 7

Threading Models

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Threading completely user-space…

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OS ko threads ka pata hi nahi — OS…

Thread scheduling user-space…

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Thread creation/switching…

Topic 8

Thread Synchronization

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Binary lock — ek time par sirf ek…

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Thread lock acquire karta hai →…

Doosre threads wait karte hain jab…

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Simple aur most commonly used…

Topic 9

Synchronization Primitives Comparison

📚 | Primitive | Blocking? | Overhead | Fairness | Best For | Complexity |…
Topic 10

Thread Safety

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Best approach — agar object change…

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Functional programming is…

Critical sections ko lock karo

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Trade-off: safety vs performance…

Topic 11
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Common Concurrency Problems

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Data race: Two threads…

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Check-then-act: Thread condition…

Proper synchronization (mutex/lock…

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Atomic operations for simple…

Topic 12

Multithreading in Popular Languages

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Threading Model: One-to-one…

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API: Thread class, Runnable…

Synchronization: synchronized…

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Concurrent Collections:…

Topic 13
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Performance Considerations

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OS thread: Typically 50-100…

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Green thread/goroutine: ~1…

Virtual thread (Java): ~1…

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Optimal threads ≈ Number of CPU…

Topic 14

Thread Pool Pattern

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No creation overhead per task:…

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Controlled resource usage: Maximum…

Queuing: Tasks queue me wait karte…

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Graceful degradation: Overload me…

Topic 15
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Real-World Use Cases

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Classical model: Thread per…

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Har incoming HTTP request ek…

Thread request process kare —…

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problem: 10K+ concurrent…

Topic 16
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Anti-patterns aur Common Mistakes

🚀 Anti-pattern 1: Thread Per Task (Unbounded) Har task ke liye new thread create karna —…
Topic 17

Modern Alternatives to Traditional Multithreading

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Single thread (ya few threads) par…

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Compiler callback chains generate…

C#, JavaScript, Python, Rust me…

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Best for I/O-bound work, not…

Comparison

Thread vs Process

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Address Space: Own (isolated)

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Creation Cost: High (fork + memory…

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Context Switch Cost: High (page table…

Comparison

Synchronization Primitives Comparison

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Mutex: Yes (sleep)

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Semaphore: Yes (sleep)

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Monitor: Yes (sleep)

Diagram
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Visual Flow

📊 Diagram visualization — details in narration
Related Topics

See Also

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Multitasking

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Concurrency

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Parallelism

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Process

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Thread

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Mutual_exclusion

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 1

Multithreading ka sabse sahi definition kya hai?

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 2

Multithreading ka 'Full Name' kya hai?

Complete! 🎉
COMPLETE

Multithreading Complete!

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Multithreading Complete

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Multitasking

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