Test script for profiling moving of colliders with various configurations in Unity

ColliderMovingCost.cs

using System.Collections.Generic;
using UnityEngine;

public class ColliderMovingCost : MonoBehaviour {
    [SerializeField] private bool _useKinematicRigidbodies = true;
    [SerializeField] private bool _moveCollidersUsingRigidbody = false;

    private List<Transform> _colliderTransforms;
    private List<Rigidbody> _colliderBodies;

    const int ColliderCount = 1024 * 8;

    void Start() {
        _colliderTransforms = new List<Transform>();
        _colliderBodies = new List<Rigidbody>();

        for (int i = 0; i < ColliderCount; i++) {
            var go = new GameObject("Collider_" + i);
            var collider = go.AddComponent<BoxCollider>();
            var xform = go.GetComponent<Transform>();

            xform.position = Random.insideUnitSphere * 32f;
            _colliderTransforms.Add(xform);

            if (_useKinematicRigidbodies) {
                var body = go.AddComponent<Rigidbody>();
                body.isKinematic = true;
                _colliderBodies.Add(body);
            }
        }
    }

    void Update() {
        if (_moveCollidersUsingRigidbody) {
            for (int i = 0; i < ColliderCount; i++) {
                _colliderBodies[i].MovePosition(Random.insideUnitSphere);
            }
        } else {
            for (int i = 0; i < ColliderCount; i++) {
                _colliderTransforms[i].Translate(Random.insideUnitSphere, Space.World);
            }
        }
    }
}