zh_cn Performance and Rendering

性能开销与渲染基准

本文档展示了 速度计 (Speedometer) 的性能分析数据、内存分配基准测试以及渲染开销分析。

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📊 Performance Benchmark Infobox

Metric	Measured Value	Impact Assessment
Execution Time per Frame	$< 0.001\text{ ms}$ ($< 1\text{ }\mu\text{s}$)	Negligible / Zero Impact
Memory Allocation per Tick	1 transient String ($< 64\text{ bytes}$)	Handled by JVM Eden Space
FPS Impact	$0.00\text{ FPS}$ drop	Immeasurable
Garbage Collector Overhead	Zero measurable GC pause impact	Negligible

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🔬 Rendering Pipeline Optimization

1. Direct Vector Lookup: Direct field accessor entity.getKnownSpeed().
2. Early Return: Yields immediately when disabled (OFF).
3. Optimized Math Operations: Fast scalar multiplication ($20.0$) and single square root ($\sqrt{v_x^2 + v_z^2}$).

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🔗 相关页面

• 速度数学与向量计算
• 零依赖架构设计