# Optimize rendering lots of objects

> Techniques for speeding up rendering by reducing the number of drawing commands the CPU sends to the GPU.

Speed up rendering lots of similar objects by optimizing draw calls, which reduces how often the CPU sends information to the GPU.

| **Page**                                                                                                                                                            | **Description**                                                                           |
| ------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------- |
| [Introduction to optimizing draw calls](/engine/6000.3/manual/analysis/graphics-performance-profiling/reduce-draw-calls/optimizing-draw-calls.md)                   | Understand why reducing draw calls improves rendering time.                               |
| [Choose a method for optimizing draw calls](/engine/6000.3/manual/analysis/graphics-performance-profiling/reduce-draw-calls/optimizing-draw-calls-choose-method.md) | Compare the different methods for optimizing draw calls.                                  |
| [GPU instancing](/engine/6000.3/manual/analysis/graphics-performance-profiling/reduce-draw-calls/gpuinstancing.md)                                                  | Resources and techniques for rendering multiple copies of the same mesh at the same time. |
| [Batching meshes](/engine/6000.3/manual/analysis/graphics-performance-profiling/reduce-draw-calls/draw-call-batching.md)                                            | Combine meshes to reduce draw calls, for either static or moving GameObjects.             |

## Additional resources

* [Optimizing draw calls in URP](/engine/6000.3/manual/analysis/graphics-performance-profiling/in-urp/reduce-draw-calls-urp.md)
* [Introduction to Mesh LOD](/engine/6000.3/manual/analysis/graphics-performance-profiling/lod/mesh-lod/mesh-lod-introduction.md)