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Memory Architecture for Software Performance

7 chapters · 31 lessons

1. 1. DRAM Fundamentals and the Memory Hierarchy

   4 lessons

   Understand how DRAM works, why it needs refreshing, and where it fits in the memory hierarchy from registers to storage.

2. 2. Cache Behavior and Locality Patterns

   5 lessons

   Learn how CPU caches work, why locality matters, and how to write code that minimizes cache misses.

3. 3. Memory Profiling and Bottleneck Diagnosis

   4 lessons

   Use profiling tools to measure memory usage, identify allocation hotspots, and diagnose performance problems.

4. 4. Data Structures for Memory Efficiency

   5 lessons

   Design and choose data structures that minimize memory footprint and maximize cache friendliness.

5. 5. Optimizing Memory Access Patterns

   4 lessons

   Refactor code to improve locality, reduce pointer chasing, and batch memory operations for better throughput.

6. 6. Memory Constraints in System Design

   5 lessons

   Make architecture decisions that balance memory cost, capacity, and performance across different deployment environments.

7. 7. Real-World Optimization Case Studies

   4 lessons

   Apply memory optimization techniques to common scenarios like web services, data pipelines, and high-performance computing.