go-performance-review

What problem does it solve?

Profile and optimize Go code to identify allocations, string handling inefficiencies, and hot-path bottlenecks, reducing latency and resource usage.

Core Features & Use Cases

• Allocation reduction: preallocate slices and maps, avoid repeated string concatenation, and use efficient primitives like strings.Builder.
• Hot-path optimization & benchmarking: focus on frequently executed paths, guide optimizations with benchmarks and pprof profiling, and apply changes with measurable gains.
• Use Case: When a Go service experiences high allocations or latency, use this skill to analyze and optimize hot code paths, then validate improvements with benchmarks.

Quick Start

Analyze the target Go code to identify bottlenecks and then run benchmarks to confirm performance improvements.