<ul><li>Struct layout in Go refers to how fields within a struct are arranged in memory, including padding for alignment.</li><li>Proper struct layout is crucial for memory efficiency, cache utilization, and performance optimization in applications.</li><li>Understanding padding and alignment rules is key to optimizing struct layouts.</li><li>Ordering fields by size and grouping related fields are recommended best practices for struct layout.</li><li>Optimizing struct layout can lead to reduced memory usage, better cache performance, and improved serialization.</li><li>A practical benchmark comparing poor and optimized struct layouts showed significant improvements in memory usage and performance.</li><li>The optimized layout reduced memory usage by 50% and showed faster allocation and field access speed.</li><li>Practical scenarios where struct layout optimization matters include web servers, data processing, game development, and IoT devices.</li><li>Tools like viztruct can help visualize and optimize struct layouts automatically.</li><li>Optimizing struct layout is essential for writing efficient Go code, especially in resource-constrained environments.</li></ul>

Optimizing Struct Layout and Padding in Practice

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