Unity Optimization UNITY优化关注列表

这里主要罗列Unity引擎进行开发的应用或游戏，可以进行优化的各个关注点。

• C# GC alloc
  • Update LateUpdate
  • Serialize
  • String ToString() +=
  • Getter API Object.name GetComponents Sprite.vectices
  • Debug.Log
  • Closure anonymous function
• Unity API
  • ParticleSystem Start Stop Pause Clear Simulate (withChildren = false)
  • GetComponents Input.Touch (return copy) shall be cached
  • Camera.main = Object.FindObjectWithTag("MainCamera")
  • Physices.RaycastAll vs Rhysics.RaycastNonAlloc
• UGUI
  • Canvas Rebuild Mesh
  • Batches
  • Mask vs RectMask2D
  • GraphicRaycaster - Raycast Target
  • Layout Recursion SetDirty
  • Canvas Count
  • OverDraw
  • Sprite Packing NPOT
• Unity
  • Static Batching MEM and CPU
  • StaticBatchingUtility.Combine
    • R/W enabled
    • GC Alloc
  • Mesh Baker
  • Dynamic Batching
    • 900 verts
    • Lightmap data
    • Pass
  • Check Batches and SetPass
  • Bone and Skinning
    • GPU Skinning
    • BlendShapes
    • Disable Animator
  • Instancing
    • GPU Instancing
    • Animation Instancing
  • Physics
    • MeshCollider cost too much
    • Mesh R/W Enabled
  • PhysicsManager Setting
    • Fixed TimeStep
    • LayerCollisionMatrix
• GPU
  • Rendering
    • Mesh less tris
    • LODGroup
    • Mesh Baker LOD
    • Terrain Block
    • Texture
      • Size
      • Mipmap
      • Filter Mode : Bilinear - UI Trilinear - Mipmap
• Memory
  • AssetBundle
    • LZMA or LZ4
    • Serialized file
    • Unload true / false
    • Ref count
  • IL2CPP
    • IOS binarySize
    • Android adb dumpsys meminfo -> .so mmap