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Question by bromley · Nov 04, 2018 at 09:06 AM · fpscoroutineyieldienumeratorcpu usage

[ Coroutine: Move Next ] CPU usage

I'm trying to optimize my game viewing all CPU usage in the Profiler (with Deep Profile) and I discovered an odd thing: if I don't move my character FPS are greater than 100, but if I move it the FPS drop down to almost 70, and furthermore if I stop to move my character the FPS encrease to 100 again. I watched Profiler during FPS drop and I noticed this: alt text

As you see, Update.ScriptRunDelayedDynamicFrameRate is the cause of this FPS drop (it appears only when I move my character), and I know that it refers to Coroutines. I have highlighted the AI_GenericMonster.LoadGlob() [Coroutine:MoveNext] record because I think (but I don't know) that somehow that script ruin the FPS stability. Here the part of script:

 IEnumerator LoadGlob ()
     {
         while (glob == null) 
         {
             glob = GameObject.Find ("GlobalParameters");
         }
         while (globScript == null) 
         {
             globScript = glob.GetComponent <Global_Entities> ();
         }
         while (startScene == null) 
         {
             startScene = GameObject.Find ("Start Scene");
         }
         while (startScript == null) 
         {
             startScript = startScene.GetComponent<Start_Scene> ();
         }
 
         if (enemyState == "Enabled") {
             SetEnable ();
         } else if (enemyState == "Disabled") {
             SetDisable ();
         }
 
         while (startScript.readyToStart == false) {
             yield return null;
         }
         loaded = true;
 
         while (destPoints == null) {
             while (destPoints.Length == 0) {
                 yield return null;
             }
         }
 
         destPoint = Random.Range (0, destPoints.Length);
         GotoNextPoint (destPoints);
 
         while (destPointsAlert == null) {
             while (destPointsAlert.Length == 0) {
                 yield return null;
             }
         }
 
         destPointAlert = Random.Range (0, destPointsAlert.Length);
         GotoNextPointAlert (destPointsAlert);
 
         StopCoroutine (loadRoutine);
     }

This IEnumerator is called only on Start() so I don't understand why there is so much CPU usage for this. Please help me because I can't solve this alone.

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avatar image bromley · Nov 05, 2018 at 06:00 AM 0
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Furthermore, I noticed that more monster there are in the scene (every monster has one of these scripts) and higher is the CPU usage of AI_Generic$$anonymous$$onster.LoadGlob() [Coroutine:$$anonymous$$oveNext] record, but that coroutine is called ONLY on Start(), and seems there are not garbage (only yield return null). Please help me!

avatar image bromley bromley · Nov 17, 2018 at 12:21 PM 0
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Anybody helps?

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