rust-performance

Profile and benchmark Rust applications to identify and resolve performance bottlenecks.

1|Updated Jan 23, 2026
One-click install
npx skills add https://github.com/Zelenov/frename --skill rust-performance-zelenov
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: rust-performance
Source: https://github.com/Zelenov/frename/tree/main/.cursor/skills/rust-performance
Command: npx skills add https://github.com/Zelenov/frename --skill rust-performance-zelenov

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides structured guidance to identify and fix performance bottlenecks in Rust code by combining profiling, benchmarking, and optimization techniques to achieve faster and more efficient software.

Core Features & Use Cases

  • Profiling Rust applications to locate hot paths, memory usage, and bottlenecks.
  • Benchmarking with representative workloads to quantify improvements.
  • Applying safe, zero-cost abstractions and optimization patterns to reduce allocations and improve throughput.

Quick Start

Analyze a Rust project to identify the top bottleneck and propose an actionable optimization.

Frequently Asked Questions about rust-performance

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I find and fix Rust performance bottlenecks in my application?

To find Rust performance bottlenecks, profile your application to locate hot paths and memory usage, benchmark with representative workloads to quantify issues, and apply zero-cost abstractions to optimize throughput. This structured approach resolves runtime and allocation inefficiencies.

What is the best way to profile Rust code to locate hot paths?

Profiling Rust code to locate hot paths involves using profiling tools like flamegraph or perf to analyze runtime behavior and memory usage. This process identifies exactly where your application spends execution time and where memory allocations occur.

How do I benchmark Rust applications with representative workloads?

Benchmarking Rust applications with representative workloads uses benchmarking crates like Criterion to quantify performance improvements. This measures runtime changes accurately, ensuring that optimizations to reduce allocations or increase throughput actually deliver measurable gains.

Do I need to use unsafe Rust to apply zero-cost abstractions and optimize throughput?

You do not need to use unsafe Rust to apply zero-cost abstractions and optimize throughput. This optimization process enforces safety checks to avoid unsafe or unstable optimizations, ensuring your Rust code remains safe while reducing allocations.

Can I use this approach for Rust micro-benchmarks and end-to-end profiling?

Yes, this Rust performance optimization approach applies across development phases, from micro-benchmarks to end-to-end profiling. It handles diverse scenarios like reducing allocations, lowering runtimes, and increasing throughput throughout the software lifecycle.