# \#Performance-Profiling **URL:** https://forums.unrealengine.com/tag/performance-profiling/11223.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [How to stop grass from spawning on slopes](https://forums.unrealengine.com/t/how-to-stop-grass-from-spawning-on-slopes/264190)
**Author:** [@Hupu01](https://forums.unrealengine.com/u/Hupu01)\ **Replies:** 5\ **Last updated:** [November 10, 2026, 10:45pm UTC](https://forums.unrealengine.com/t/how-to-stop-grass-from-spawning-on-slopes/264190 "2026-11-10T22:45:37Z")
I am using a slope function to have rock texture spawn on certain slopes and the rest remains grass. When I try to use the grass output node and tell it to only sample grass it still is spawning it over my entire landsca… --- ## [Community Planet Creation: Research/Help](https://forums.unrealengine.com/t/community-planet-creation-research-help/136378)
**Author:** [@ATLAS8Mira](https://forums.unrealengine.com/u/ATLAS8Mira)\ **Replies:** 11\ **Last updated:** [October 23, 2026, 9:02pm UTC](https://forums.unrealengine.com/t/community-planet-creation-research-help/136378 "2026-10-23T21:02:48Z")
Hello, I’m here to ask how to create a planet. Not the casual “How do I do this.” more of a “Can you help me research how to do this?” Before I explain any further I must explain what I mean. I’ve done months of diggi… --- ## [Predict Projectile Path - is there a way to have it incorporate Linear Damping?](https://forums.unrealengine.com/t/predict-projectile-path-is-there-a-way-to-have-it-incorporate-linear-damping/157798)
**Author:** [@Ponyo\_Wants\_Ham](https://forums.unrealengine.com/u/Ponyo_Wants_Ham)\ **Replies:** 5\ **Last updated:** [October 21, 2026, 3:55pm UTC](https://forums.unrealengine.com/t/predict-projectile-path-is-there-a-way-to-have-it-incorporate-linear-damping/157798 "2026-10-21T15:55:59Z")
I’m working on a golf game (blueprints only at the moment) and want to show the projected path of the ball before the player swings. Predict Projectile Path works beautifully for this… or it would, if only it could take … --- ## [Get Insights working with Quest 2 and UE5](https://forums.unrealengine.com/t/get-insights-working-with-quest-2-and-ue5/529386)
**Author:** [@fsk](https://forums.unrealengine.com/u/fsk)\ **Replies:** 4\ **Last updated:** [October 20, 2026, 3:28am UTC](https://forums.unrealengine.com/t/get-insights-working-with-quest-2-and-ue5/529386 "2026-10-20T03:28:05Z")
Does Anyone know? I did all the things i did for 4.27 (open adb ports and adding commands to the UECommandLine.txt) but no luck. It newer connects… --- ## [\[Update\] Level Benchmark V2 - Budgets, CI Regression Gating, and a Nanite/Lumen Advisor](https://forums.unrealengine.com/t/update-level-benchmark-v2-budgets-ci-regression-gating-and-a-nanite-lumen-advisor/2754008)
**Author:** [@UnrealGameDev](https://forums.unrealengine.com/u/UnrealGameDev)\ **Replies:** 0\ **Last updated:** [September 2, 2026, 8:58am UTC](https://forums.unrealengine.com/t/update-level-benchmark-v2-budgets-ci-regression-gating-and-a-nanite-lumen-advisor/2754008 "2026-09-02T08:58:30Z")
Hey yall, Level Benchmark just got its biggest update since launch. If you haven’t seen it before: it’s an editor-only plugin that scans your currently-loaded level and hands back a single report on what’s actually co… --- ## [探讨一个虚幻引擎专用服务器（DS）的性能压测工具设计，目前已实现物理与网络同步场景 ](https://forums.unrealengine.com/t/ds/2729628)
**Author:** [@william20241025](https://forums.unrealengine.com/u/william20241025)\ **Replies:** 1\ **Last updated:** [July 1, 2026, 8:53am UTC](https://forums.unrealengine.com/t/ds/2729628 "2026-07-01T08:53:17Z")
大家好， 最近因为项目需要，一直在分析虚幻引擎专用服务器（Dedicated Server）在高并发负载下的 CPU 与内存瓶颈。为了能在一个相对确定、排除外部网络硬件干扰的环境下观察硬件微架构与指令集的开销，我尝试开发了一套针对 UE DS 的专用基准测试工具，通过提取特定工作负载（Workloads）来做压力测试。 目前初步跑通了前两个核心高压场景，想发出来和社区的同行探讨一下设计可行性： 物理引擎负载场景： 目前模拟了高… --- ## [Insights tracing is enabled at start, how to disable it ?](https://forums.unrealengine.com/t/insights-tracing-is-enabled-at-start-how-to-disable-it/1195649)
**Author:** [@Conto](https://forums.unrealengine.com/u/Conto)\ **Replies:** 4\ **Last updated:** [December 18, 2025, 4:41pm UTC](https://forums.unrealengine.com/t/insights-tracing-is-enabled-at-start-how-to-disable-it/1195649 "2025-12-18T16:41:48Z")
I somehow managed to enable tracing on project load … I know this is stupid question, but you guys it is question for 10 seconds to solve, while i am looking to it for solid hour … I tried to check if this setting is e… --- ## [How to optimize PostProcess, it has workload even if it is disabled](https://forums.unrealengine.com/t/how-to-optimize-postprocess-it-has-workload-even-if-it-is-disabled/2685808)
**Author:** [@BiaXThePanda1](https://forums.unrealengine.com/u/BiaXThePanda1)\ **Replies:** 0\ **Last updated:** [December 17, 2025, 5:54pm UTC](https://forums.unrealengine.com/t/how-to-optimize-postprocess-it-has-workload-even-if-it-is-disabled/2685808 "2025-12-17T17:54:33Z")
I closed every post processing, including the player camera’s post process. But I’m having 1.3 ms postprocess work, why and how can I optimize this ? --- ## [Issues working with HLS and Electra Player](https://forums.unrealengine.com/t/issues-working-with-hls-and-electra-player/229985)
**Author:** [@anonymous\_user\_dcebb4231](https://forums.unrealengine.com/u/anonymous_user_dcebb4231)\ **Replies:** 19\ **Last updated:** [December 4, 2025, 11:28am UTC](https://forums.unrealengine.com/t/issues-working-with-hls-and-electra-player/229985 "2025-12-04T11:28:21Z")
I have been playing around with the Electra Player since it seems to accomplish what I need, but I haven’t any success using what I believe is the intended use case. For context – I have a working m3u8 playlist link (I’… --- ## [ViewPort fps high but playing fps limited (UE5.7)](https://forums.unrealengine.com/t/viewport-fps-high-but-playing-fps-limited-ue5-7/2676954)
**Author:** [@LoboTrovao](https://forums.unrealengine.com/u/LoboTrovao)\ **Replies:** 0\ **Last updated:** [November 20, 2025, 4:27pm UTC](https://forums.unrealengine.com/t/viewport-fps-high-but-playing-fps-limited-ue5-7/2676954 "2025-11-20T16:27:33Z")
Hello everyone, Hope everyone is doing good. I found some strange behavior happening in my unreal 5.7 project. By the using, the foliage is using the new experimental procedural foliage. When using view port (full sc… --- ## [Unreal Insights Trace does not reset.](https://forums.unrealengine.com/t/unreal-insights-trace-does-not-reset/2674208)
**Author:** [@XxpiingyxX](https://forums.unrealengine.com/u/XxpiingyxX)\ **Replies:** 0\ **Last updated:** [November 12, 2025, 1:42pm UTC](https://forums.unrealengine.com/t/unreal-insights-trace-does-not-reset/2674208 "2025-11-12T13:42:49Z")
Hi! TL;DR: I have a problem where my trace does not “reset”. By that I mean that I can see previous traces in the newest trace file. How can I reset a trace so it doesn’t include previous traces? I have a blueprint t… --- ## [How can the Niagara systems profiler be cleared?](https://forums.unrealengine.com/t/how-can-the-niagara-systems-profiler-be-cleared/2667443)
**Author:** [@kennetherhabor](https://forums.unrealengine.com/u/kennetherhabor)\ **Replies:** 1\ **Last updated:** [October 22, 2025, 6:27am UTC](https://forums.unrealengine.com/t/how-can-the-niagara-systems-profiler-be-cleared/2667443 "2025-10-22T06:27:20Z")
When profiling Niagara systems using the ‘stat niagarasystems’ console command or from the editor ‘Stat \> Niagara \> NiagaraSystems’, even in an empty map, the profiler continues to show Niagara systems that are not in th… --- ## [Insights tracing сaptures excess data: how to control it?](https://forums.unrealengine.com/t/insights-tracing-aptures-excess-data-how-to-control-it/1188939)
**Author:** [@PavloMK](https://forums.unrealengine.com/u/PavloMK)\ **Replies:** 2\ **Last updated:** [September 30, 2025, 5:13pm UTC](https://forums.unrealengine.com/t/insights-tracing-aptures-excess-data-how-to-control-it/1188939 "2025-09-30T17:13:46Z")
Hello there! I am not sure if this is right category for my question, but have not found any more suitable. I am trying to trace strictly timed gameplay parts for further analysis. As expected result, I want to see str… --- ## [Masterclass gratuites sur Unreal Engine!](https://forums.unrealengine.com/t/masterclass-gratuites-sur-unreal-engine/2660000)
**Author:** [@CorentinG78](https://forums.unrealengine.com/u/CorentinG78)\ **Replies:** 0\ **Last updated:** [September 26, 2025, 7:40am UTC](https://forums.unrealengine.com/t/masterclass-gratuites-sur-unreal-engine/2660000 "2025-09-26T07:40:56Z")
Cours en ligne Dans cette masterclass, nous allons découvrir le version control (aussi appelé source control), un outil essentiel du développement logiciel et du jeu vidéo. Ce tutoriel présente les bases e… --- ## [What does "Queue Present" mean in the RHI thread of Unreal insights?](https://forums.unrealengine.com/t/what-does-queue-present-mean-in-the-rhi-thread-of-unreal-insights/2654636)
**Author:** [@Boomer64](https://forums.unrealengine.com/u/Boomer64)\ **Replies:** 1\ **Last updated:** [September 22, 2025, 2:07pm UTC](https://forums.unrealengine.com/t/what-does-queue-present-mean-in-the-rhi-thread-of-unreal-insights/2654636 "2025-09-22T14:07:20Z")
I am extremely confused. I am currently working on a mobile game in UE5.5 and hitting some pretty severe performance drops. To determine the issue I’m using unreal insights but when looking at the tasks, both the game t… --- ## [UBX\_ from Blender to UE4](https://forums.unrealengine.com/t/ubx-from-blender-to-ue4/271279)
**Author:** [@phil123456](https://forums.unrealengine.com/u/phil123456)\ **Replies:** 42\ **Last updated:** [September 9, 2025, 1:11am UTC](https://forums.unrealengine.com/t/ubx-from-blender-to-ue4/271279 "2025-09-09T01:11:35Z")
Hi, what export pipeline from blender collisions (UBX, UCX, USP) to unreal editor do you use ? I tried, Blender Tools, Batex and the builtin blender export FBX …nothing works for collisions ( I keep having errors, no… --- ## [Sudden FPS Drop, Shadow Depths Spike, and Nanite/LOD Issues ](https://forums.unrealengine.com/t/sudden-fps-drop-shadow-depths-spike-and-nanite-lod-issues/2650391)
**Author:** [@Utsav138](https://forums.unrealengine.com/u/Utsav138)\ **Replies:** 0\ **Last updated:** [August 23, 2025, 10:21pm UTC](https://forums.unrealengine.com/t/sudden-fps-drop-shadow-depths-spike-and-nanite-lod-issues/2650391 "2025-08-23T22:21:14Z")
Hi, I need some help troubleshooting performance issues in my UE5 project. A few days ago I was getting over 60 FPS, but now I’m only seeing around 20–30 FPS even though I haven’t changed any major settings. Here are the… --- ## [CPU profiling questions](https://forums.unrealengine.com/t/cpu-profiling-questions/2568891)
**Author:** [@PrairieDog116](https://forums.unrealengine.com/u/PrairieDog116)\ **Replies:** 0\ **Last updated:** [June 21, 2025, 6:17am UTC](https://forums.unrealengine.com/t/cpu-profiling-questions/2568891 "2025-06-21T06:17:22Z")
So my game runs at around 90-120FPS most of the time, but I think I’ve made this CPU heavy as when I profile I get frames and ranges of frames that take around 1-1.4 seconds. It looks like this is mostly from “WaitForTa… --- ## [Complex Collision as simple?](https://forums.unrealengine.com/t/complex-collision-as-simple/8935)
**Author:** [@tooscary](https://forums.unrealengine.com/u/tooscary)\ **Replies:** 6\ **Last updated:** [August 16, 2014, 9:02am UTC](https://forums.unrealengine.com/t/complex-collision-as-simple/8935 "2014-08-16T09:02:12Z")
Hi All, I figured out the architecture samples collide without collision meshes using the “Use Complex Collision As Simple” option in the static mesh settings. My question, since this ‘generated’ collision isn’t shown,… --- ## [How to optimize Nanite performance in open-world projects? ](https://forums.unrealengine.com/t/how-to-optimize-nanite-performance-in-open-world-projects/2514520)
**Author:** [@xxjunlaix](https://forums.unrealengine.com/u/xxjunlaix)\ **Replies:** 1\ **Last updated:** [May 19, 2025, 9:39pm UTC](https://forums.unrealengine.com/t/how-to-optimize-nanite-performance-in-open-world-projects/2514520 "2025-05-19T21:39:34Z")
Hi everyone, I’m working on an open-world project in Unreal Engine 5 and using Nanite for most of my static meshes. Overall performance is good, but I’ve noticed some frame drops when moving quickly through large enviro… --- ## [How can I solve this bottleneck?](https://forums.unrealengine.com/t/how-can-i-solve-this-bottleneck/2491145)
**Author:** [@carta\_oro](https://forums.unrealengine.com/u/carta_oro)\ **Replies:** 2\ **Last updated:** [May 6, 2025, 5:20am UTC](https://forums.unrealengine.com/t/how-can-i-solve-this-bottleneck/2491145 "2025-05-06T05:20:39Z")
I occasionally experience severe lag, so I tried profiling, but I can’t pinpoint the cause. I’m pretty sure it’s a CPU bottleneck since I’m doing physics calculations. It’s all in WaitForTasks, and it’s happening inside… --- ## [Unreal Insights: TaskWorkerIsLookingForWork](https://forums.unrealengine.com/t/unreal-insights-taskworkerislookingforwork/2400463)
**Author:** [@Wujtah](https://forums.unrealengine.com/u/Wujtah)\ **Replies:** 0\ **Last updated:** [March 19, 2025, 10:05am UTC](https://forums.unrealengine.com/t/unreal-insights-taskworkerislookingforwork/2400463 "2025-03-19T10:05:27Z")
Hey all! I am trying to figure out why my performance isnt optimal in my scene. I attached a screenshot from Unreal Insights, which seems to point me towards this ‘TaskWorkerIsLookingForWork’, which takes up most of… --- ## [Association .uproject / unreal are broken](https://forums.unrealengine.com/t/association-uproject-unreal-are-broken/63101)
**Author:** [@anonymous\_user\_19b329021](https://forums.unrealengine.com/u/anonymous_user_19b329021)\ **Replies:** 21\ **Last updated:** [January 29, 2025, 9:18pm UTC](https://forums.unrealengine.com/t/association-uproject-unreal-are-broken/63101 "2025-01-29T21:18:14Z")
Hi I uninstall unreal, then reinstall it on another drive. But the association between .uproject are broken. If I associate them manually, I dont have the utility to make C++ project when I right click on a UProject fi… --- ## [Game Logs System (GLS): View and Filter Logs in Shipping Builds](https://forums.unrealengine.com/t/game-logs-system-gls-view-and-filter-logs-in-shipping-builds/2304118)
**Author:** [@FergiusTerro](https://forums.unrealengine.com/u/FergiusTerro)\ **Replies:** 0\ **Last updated:** [January 26, 2025, 1:58pm UTC](https://forums.unrealengine.com/t/game-logs-system-gls-view-and-filter-logs-in-shipping-builds/2304118 "2025-01-26T13:58:24Z")
Discover how the Game Logs System (GLS) plugin makes runtime log viewing possible in shipping builds. Features include advanced log filtering by classes and objects, a customizable game overlay, and seamless integration … --- ## [Profiling an actor's cpu gpu cost](https://forums.unrealengine.com/t/profiling-an-actors-cpu-gpu-cost/2282402)
**Author:** [@user\_03f0a1364975325bb3762b9b0e48114788315f551ac1f0f104b5b5](https://forums.unrealengine.com/u/user_03f0a1364975325bb3762b9b0e48114788315f551ac1f0f104b5b5)\ **Replies:** 5\ **Last updated:** [January 21, 2025, 10:29am UTC](https://forums.unrealengine.com/t/profiling-an-actors-cpu-gpu-cost/2282402 "2025-01-21T10:29:34Z")
How can I profile an actor’s cpu and gpu cost? I want to know how many spend the time for drawing that actor. And how many the time for cpp logic, like tick function ; cpu. Also Is there any way? Somthing like, make … --- ## [Unknown bottleneck in RHI or Render Thread in Insights](https://forums.unrealengine.com/t/unknown-bottleneck-in-rhi-or-render-thread-in-insights/2275467)
**Author:** [@Ozonefreerun](https://forums.unrealengine.com/u/Ozonefreerun)\ **Replies:** 0\ **Last updated:** [January 13, 2025, 8:50pm UTC](https://forums.unrealengine.com/t/unknown-bottleneck-in-rhi-or-render-thread-in-insights/2275467 "2025-01-13T20:50:59Z")
Game I’m working on recently has lost ~10 ms on an average frame. I’ve been profiling and can’t figure out how to delve further into the problem. The RHI thread in particular is showing that it’s waiting for task fo… --- ## [UE5 - Performance Overview (Targeting Older Hardware \[8th Gen\])](https://forums.unrealengine.com/t/ue5-performance-overview-targeting-older-hardware-8th-gen/2244175)
**Author:** [@Uno1982](https://forums.unrealengine.com/u/Uno1982)\ **Replies:** 0\ **Last updated:** [December 26, 2024, 6:49pm UTC](https://forums.unrealengine.com/t/ue5-performance-overview-targeting-older-hardware-8th-gen/2244175 "2024-12-26T18:49:58Z")
Hopefully this finds those who need it. Going over multiple scaling options for older Platform targets and the scalability of UE5 --- ## [Skeletal Mesh Flickering](https://forums.unrealengine.com/t/skeletal-mesh-flickering/3061)
**Author:** [@paulv2k4](https://forums.unrealengine.com/u/paulv2k4)\ **Replies:** 35\ **Last updated:** [December 23, 2024, 10:17pm UTC](https://forums.unrealengine.com/t/skeletal-mesh-flickering/3061 "2024-12-23T22:17:35Z")
Hey guys, I have tried to put my own skeletal mesh (3dsmax -\> FBX 2013) in to replace the current one in the third person template. The trouble is that the mesh flickers and dissappears when I move the camera around. D… --- ## [Shader debugging in UE5 with renderdoc](https://forums.unrealengine.com/t/shader-debugging-in-ue5-with-renderdoc/636227)
**Author:** [@udemegane](https://forums.unrealengine.com/u/udemegane)\ **Replies:** 3\ **Last updated:** [December 19, 2024, 1:49am UTC](https://forums.unrealengine.com/t/shader-debugging-in-ue5-with-renderdoc/636227 "2024-12-19T01:49:09Z")
As the title says, I’m trying to do pixel debugging using renderdock. for step-by-step execution. The problem is that in UE5 it doesn’t work. I started the project with the -d3ddebug option and I followed the documentat… --- ## [How do I actually find out what's taking time in a frame, using Unreal Insights?](https://forums.unrealengine.com/t/how-do-i-actually-find-out-whats-taking-time-in-a-frame-using-unreal-insights/2099302)
**Author:** [@Saturnian](https://forums.unrealengine.com/u/Saturnian)\ **Replies:** 0\ **Last updated:** [November 1, 2024, 3:36pm UTC](https://forums.unrealengine.com/t/how-do-i-actually-find-out-whats-taking-time-in-a-frame-using-unreal-insights/2099302 "2024-11-01T15:36:47Z")
Hello! In order to optimize my game, I have changed how my enemies work. Started with them being Characters, changed them to Pawns, and now their base class is Actor, and they use my custom movement implementation. The… [Next page](https://forums.unrealengine.com/tag/performance-profiling/11223.md?match_all_tags=true&page=1&tags%5B%5D=Performance-Profiling)