Help with positioning about gpuinstance HOT 7 CLOSED

using System.Collections;
using System.Collections.Generic;
using GPUInstance;
using Unity.Mathematics;
using UnityEngine;
using Random = UnityEngine.Random;

public class MarchPeople : MonoBehaviour
{
    public Camera FrustumCullingCamera;
    public GPUSkinnedMeshComponent character;
    public double GlobalTimeSpeed = 1.0;

    private int2 grid = new int2(100, 100);
    private MeshInstancer m;
    private SkinnedMesh[] instances = new SkinnedMesh[10000];

    void Start()
    {
        // Initialize character mesh list
        int hierarchy_depth, skeleton_bone_count;
        List<GPUSkinnedMeshComponent> characters = new List<GPUSkinnedMeshComponent>();
        characters.Add(character);
        var controllers = GPUSkinnedMeshComponent.PrepareControllers(characters, out hierarchy_depth, out skeleton_bone_count);

        // Initialize GPU Instancer
        this.m = new MeshInstancer();
        this.m.Initialize(max_parent_depth: hierarchy_depth + 2, num_skeleton_bones: skeleton_bone_count, pathCount: 2);

        // Add all animations to GPU buffer
        this.m.SetAllAnimations(controllers);

        // Add all character mesh types to GPU Instancer
        this.m.AddGPUSkinnedMeshType(character);

        // Do stuff
        for (int i = 0; i < 10000; i++)
        {
            var mesh = character;
            var anim = mesh.anim.namedAnimations["walk"];
            instances[i] = new SkinnedMesh(mesh, this.m);
            instances[i].mesh.position = new Vector3(x: i / 100, 0, i % 100);
            instances[i].SetRadius(1.75f); // set large enough radius so model doesnt get culled to early
            instances[i].Initialize();

            instances[i].SetAnimation(anim, speed: 1.4f, start_time: Random.Range(0.0f, 1.0f)); // set animation

            instances[i].UpdateAll();
        }
    }

    void Update()
    {
        Ticks.GlobalTimeSpeed = this.GlobalTimeSpeed;
        this.m.FrustumCamera = this.FrustumCullingCamera;
        {
            var skinnedMesh = instances[0];
            Debug.Log(skinnedMesh.mesh.position);
            var pos = new Vector3(skinnedMesh.mesh.position.x, 0,
                skinnedMesh.mesh.position.z + Time.deltaTime);
            instances[0].mesh.position = pos;
            // log the supposed position of first instance
            Debug.Log(instances[0].mesh.position);
            instances[0].UpdateAll();
        }
        for (var i = 1; i < instances.Length; i++)
        {
            var skinnedMesh = instances[i];
            var pos = new Vector3(skinnedMesh.mesh.position.x, 0,
                skinnedMesh.mesh.position.z + Time.deltaTime);
            skinnedMesh.mesh.position = pos;
            instances[i] = skinnedMesh;
            instances[i].UpdateAll();
        }
        
        this.m.Update(Time.deltaTime);
    }
}