perf-profile

Identify performance bottlenecks in Unreal Engine 5.7 using profiling commands.

3|Updated Jan 17, 2026
One-click install
npx skills add https://github.com/Noureddine-Hci/RevenantOps --skill perf-profile-noureddine-hci
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: perf-profile
Source: https://github.com/Noureddine-Hci/RevenantOps/tree/main/.claude/skills/perf-profile
Command: npx skills add https://github.com/Noureddine-Hci/RevenantOps --skill perf-profile-noureddine-hci

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides a structured guide to audit Unreal Engine 5.7 performance for RevenantOps, identifying bottlenecks in Tick, spawning logic, VFX, and UI to improve framerate before a demo or when the game lags.

Core Features & Use Cases

  • In-game profiling commands (stat fps, stat unit, stat game, stat slate, stat niagara, stat ai) to quantify FPS, CPU/GPU costs and UI/FX impact.
  • Comprehensive audits for Tick usage, Blueprint behavior, Niagara VFX, UI rendering, and AI/NavMesh to surface optimization opportunities.
  • Real-world scenario: run the profiler before a demo to drive concrete fixes and achieve a smooth, stable framerate.

Quick Start

Run the perf-profile guide to start an in-engine performance audit and collect bottleneck data before your demo.

Frequently Asked Questions about perf-profile

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

FAQPage Schema
How do I profile Unreal Engine 5.7 performance bottlenecks during development?

To profile Unreal Engine 5.7 performance bottlenecks, use in-game profiling commands like stat fps, stat unit, and stat game to quantify CPU and GPU costs. This structured audit identifies specific framerate drops in Tick, VFX, and UI before a demo.

What is causing my Unreal Engine game to lag when spawning VFX and UI elements?

Unreal Engine game lag from spawning VFX and UI is often caused by unoptimized Niagara systems or Slate rendering overhead. Running stat niagara and stat slate helps surface these specific costs to guide actionable improvements.

Can I use Blueprint profiling to reduce Tick cost in Unreal Engine?

Yes, Blueprint profiling can reduce Tick cost in Unreal Engine by auditing Blueprint behavior and caching BeginPlay processes. This identifies expensive logic running every frame to drive concrete optimizations and stabilize framerate.

Does this performance audit cover AI and NavMesh costs in Unreal Engine 5.7?

Yes, this performance audit covers AI and NavMesh costs in Unreal Engine 5.7. It uses the stat ai command to quantify AI impact and surface optimization opportunities within your RevenantOps development environment.

What's the best way to investigate framerate drops before an Unreal Engine demo?

The best way to investigate framerate drops before an Unreal Engine demo is running a structured profiler guide. It applies specific checks for Tick, spawns, and VFX costs to collect bottleneck data and drive smooth, stable gameplay.