Memory Alignment in C/C++ (and why it matters)

Hey everyone, welcome back to the channel. Today we're diving into a really important concept in systems programming and C++ development - memory alignment in memory management. Let’s break it down step by step.

00:00 - Introduction
00:07 - What is Memory Alignment?
00:19 - Why Alignment Matters
00:36 - CPU Optimization and Misalignment
00:57 - C++ Struct Alignment Example
01:19 - Padding and Alignment Explained
01:53 - Calculating Struct Size
02:04 - Impact on Structure Size
02:11 - Controlling Alignment in C++
02:22 - alignas Keyword (C++11)
02:32 - Use Cases for Manual Alignment
02:37 - Undefined Behavior on Some Architectures
02:49 - Manual Memory Allocation and Alignment
02:59 - aligned_alloc Example (C++17)
03:13 - Alignment and Memory Fragmentation
03:25 - Using Memory Pools and Custom Allocators
03:31 - Summary of Key Points
03:51 - Platform-Specific Requirements
04:02 - Outro and Final Thoughts