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๐Ÿ—„๏ธ Topic 15: KV Cache โ€” Inference Speed Ka Secret

Course: LLM Engineering โ€” Hinglish Section: 2 โ€” Transformer Deep Dive Level: Intermediate โ†’โ€ฆ

Overview
๐ŸŒŸ

๐Ÿ—„๏ธ Topic 15: KV Cache โ€” Inference Speed Ka Secret โ€” Quick Facts

๐Ÿ“Œ

โฌ…๏ธ Previous: ๐Ÿ“š Index

๐ŸŽฏ

[14-Flash-Attention.md](14-Flash-Attention.md): 00-Index.md

Topic 1
๐Ÿ“š

๐Ÿ“Œ Objectives

๐Ÿ’ก

KV Cache ka concept โ€” kyun zarooriโ€ฆ

๐Ÿ”‘

Autoregressive generation meโ€ฆ

โšก

KV Cache memory footprintโ€ฆ

๐ŸŽฏ

Multi-Query Attention (MQA) aurโ€ฆ

Topic 2
๐Ÿ’ก ๐Ÿ“Š ๐Ÿ”ฌ

๐Ÿง  1. The Problem โ€” Why KV Cache?

๐Ÿ’ก ` โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ AUTOREGRESSIVEโ€ฆ
Topic 3
๐Ÿ“ฅ โš™๏ธ ๐Ÿ”ฌ ๐Ÿ’ก

โšก 2. KV Cache โ€” The Solution

๐ŸŽฏ ` โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ KV CACHE โ€” HOW IT WORKSโ€ฆ
Topic 4
โญ

๐Ÿ“Š 3. KV Cache Memory Footprint

โญ ` โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ KV CACHE MEMORYโ€ฆ
Topic 5
โœจ

๐Ÿ”ง 4. KV Cache Optimization Techniques

๐Ÿ”‘ ` โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ KV CACHE OPTIMIZATION โ”‚โ€ฆ
Topic 6
โœจ

๐Ÿ”„ 5. Paged Attention โ€” vLLM Ka Secret

โœจ ` โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ PAGED ATTENTION (vLLM,โ€ฆ
Topic 7
โœจ

๐Ÿ’ป 6. Python Code โ€” KV Cache Simulator

๐ŸŒŸ `python """ ๐Ÿ—„๏ธ KV Cache โ€” Complete Inference Simulator Demonstrates KV caching, memoryโ€ฆ
Topic 8
๐Ÿš€

๐Ÿ“ 7. Key Takeaways

๐Ÿš€ ` โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ KV CACHE โ€” SUMMARY โ”‚โ€ฆ
Topic 9
โœจ

โ“ 8. Quiz โ€” 5 MCQs

๐Ÿ’ก

a) Training speed badhane ke liye

๐Ÿ”‘

b) Purane tokens ke K, V recomputeโ€ฆ

โšก

c) Model accuracy improve karne keโ€ฆ

๐ŸŽฏ

d) Memory bachane ke liye

Topic 10
โœจ

๐Ÿ”— Navigation

๐Ÿ’ก | โฌ…๏ธ Previous | ๐Ÿ“š Index | โžก๏ธ Next | |---|---|---| | 14-Flash-Attention.md | 00-Index.md |โ€ฆ
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๐Ÿง  QUIZ TIME

Quiz โ€” Question 1

๐Ÿ—„๏ธ Topic 15: KV Cache โ€” Inference Speed Ka Secret ka sabse sahi definition kya hai?

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