# \#memory

**URL:** https://forums.unrealengine.com/tag/memory/218.md

[Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md)

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## [\[UEFN\]\[Critical\] Persistent console memory issues — PS4, Xbox One, Series X and Switch crashes/disconnections](https://forums.unrealengine.com/t/uefn-critical-persistent-console-memory-issues-ps4-xbox-one-series-x-and-switch-crashes-disconnections/2842912)

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**Author:** [@Neppten](https://forums.unrealengine.com/u/Neppten)\
**Replies:** 1\
**Last updated:** [November 12, 2026, 9:00pm UTC](https://forums.unrealengine.com/t/uefn-critical-persistent-console-memory-issues-ps4-xbox-one-series-x-and-switch-crashes-disconnections/2842912 "2026-11-12T21:00:50Z")

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Summary My published UEFN island, Nepp’s Café – REMASTERED, has been experiencing persistent console-specific stability problems that have not been resolved despite extensive optimization work. The most affected platfor…

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## [Memory calculation succeeds but is not reported – "Missing required permission 'content-service:profiling UPDATE'" (cannot publish update)](https://forums.unrealengine.com/t/memory-calculation-succeeds-but-is-not-reported-missing-required-permission-content-service-profiling-update-cannot-publish-update/2848361)

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**Author:** [@Code\_Name\_Toshi](https://forums.unrealengine.com/u/Code_Name_Toshi)\
**Replies:** 1\
**Last updated:** [November 1, 2026, 10:53am UTC](https://forums.unrealengine.com/t/memory-calculation-succeeds-but-is-not-reported-missing-required-permission-content-service-profiling-update-cannot-publish-update/2848361 "2026-11-01T10:53:20Z")

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Summary Memory calculation completes successfully in UEFN, but the result is never reported to the server because of “Missing required permission ‘content-service:profiling UPDATE’”. The Creator Portal keeps showing “Mem…

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## [Prop Manipulator Stops Sending Events to Verse on Spatially Loaded Props](https://forums.unrealengine.com/t/prop-manipulator-stops-sending-events-to-verse-on-spatially-loaded-props/2815359)

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**Author:** [@feketiko](https://forums.unrealengine.com/u/feketiko)\
**Replies:** 1\
**Last updated:** [October 23, 2026, 5:00pm UTC](https://forums.unrealengine.com/t/prop-manipulator-stops-sending-events-to-verse-on-spatially-loaded-props/2815359 "2026-10-23T17:00:29Z")

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Summary Prop Manipulator events intermittently stop reaching Verse when the manipulated prop is spatially loaded and Streaming is enabled. This started after 42.10 and is still reproducible in 42.20. Disabling Is Spatial…

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## [How do I get a TArray of grayscale pixels from a Render Target](https://forums.unrealengine.com/t/how-do-i-get-a-tarray-of-grayscale-pixels-from-a-render-target/397439)

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**Author:** [@anonymous\_user\_6b572aea](https://forums.unrealengine.com/u/anonymous_user_6b572aea)\
**Replies:** 2\
**Last updated:** [October 19, 2026, 8:34am UTC](https://forums.unrealengine.com/t/how-do-i-get-a-tarray-of-grayscale-pixels-from-a-render-target/397439 "2026-10-19T08:34:40Z")

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I have a USceneCaptureComponent2d attached to an actor that I am programatically controlling which is set to NOT capture every frame and NOT capture on movement. I have a non-scene component that holds a pointer to this…

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## [\[UE 5.8.3 HotFix Bug)](https://forums.unrealengine.com/t/ue-5-8-3-hotfix-bug/2833385)

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**Author:** [@neokinder](https://forums.unrealengine.com/u/neokinder)\
**Replies:** 3\
**Last updated:** [October 5, 2026, 4:46pm UTC](https://forums.unrealengine.com/t/ue-5-8-3-hotfix-bug/2833385 "2026-10-05T16:46:58Z")

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Summary \[5.8.3\] Abnormal RAM usage + UE freeze for more than a minute + fault report from the diagnostic service What Type of Bug are you experiencing? Foundation (C++ Tools, Profiling, & Pipeline) Steps to Reproduce H…

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## [Out of Memory on UEFN For Low end tier PC/Laptop while Live Edit on both Devices](https://forums.unrealengine.com/t/out-of-memory-on-uefn-for-low-end-tier-pc-laptop-while-live-edit-on-both-devices/2733010)

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**Author:** [@yoshili](https://forums.unrealengine.com/u/yoshili)\
**Replies:** 2\
**Last updated:** [July 23, 2026, 7:00pm UTC](https://forums.unrealengine.com/t/out-of-memory-on-uefn-for-low-end-tier-pc-laptop-while-live-edit-on-both-devices/2733010 "2026-07-23T19:00:41Z")

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Summary i want to give a other issue between UEFN and Out of memory. I following the instructions made by epic games and listing up other creators via YT, social media. I set my VRAM, 8GB normal RAM 6GB, my graphics dr…

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## [Says Not Enough Space But There Is](https://forums.unrealengine.com/t/says-not-enough-space-but-there-is/459508)

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**Author:** [@anonymous\_user\_802e910a](https://forums.unrealengine.com/u/anonymous_user_802e910a)\
**Replies:** 4\
**Last updated:** [July 10, 2026, 3:56pm UTC](https://forums.unrealengine.com/t/says-not-enough-space-but-there-is/459508 "2026-07-10T15:56:56Z")

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Operating System: Mac My Problem When Trying to Install/Re-Install Unreal Engine: I have 74 GB available on my Mac BUT I received the following error message when trying to install/re-install Unreal Engine: There is no…

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## [SceneCapture 2d massive Vram leak in UE5 - (tested in UE4 with no problems).](https://forums.unrealengine.com/t/scenecapture-2d-massive-vram-leak-in-ue5-tested-in-ue4-with-no-problems/2701481)

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**Author:** [@Poet\_11](https://forums.unrealengine.com/u/Poet_11)\
**Replies:** 1\
**Last updated:** [April 21, 2026, 5:42am UTC](https://forums.unrealengine.com/t/scenecapture-2d-massive-vram-leak-in-ue5-tested-in-ue4-with-no-problems/2701481 "2026-04-21T05:42:29Z")

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Hi, I’ve noticed everytime i have a scenecapture2d which is updated in the editor it shoots up the Vram from a typical 5 gb to 16+ crashing my gpu in seconds. The render to texture target is very small in size 128 by 1…

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## [I seem to have a memory leak except when... wait for it... I'm profiling memory](https://forums.unrealengine.com/t/i-seem-to-have-a-memory-leak-except-when-wait-for-it-im-profiling-memory/488736)

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**Author:** [@mmmmGoodDinner](https://forums.unrealengine.com/u/mmmmGoodDinner)\
**Replies:** 1\
**Last updated:** [April 13, 2026, 7:08am UTC](https://forums.unrealengine.com/t/i-seem-to-have-a-memory-leak-except-when-wait-for-it-im-profiling-memory/488736 "2026-04-13T07:08:15Z")

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If I package my UE4 game in shipping mode and then run the packaged game, I seem to have a memory leak and it starts going up to the 2000-3000 MB range and sometimes even past 10,000MB! When I deploy my game in developm…

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## [Collision memory optimization per mesh](https://forums.unrealengine.com/t/collision-memory-optimization-per-mesh/2708298)

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**Author:** [@Anonymous\_2210d72d3515234552b42f64ab1279fd](https://forums.unrealengine.com/u/Anonymous_2210d72d3515234552b42f64ab1279fd)\
**Replies:** 2\
**Last updated:** [March 25, 2026, 5:26am UTC](https://forums.unrealengine.com/t/collision-memory-optimization-per-mesh/2708298 "2026-03-25T05:26:13Z")

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Hi, I am currently optimizing collision memory and have some questions. How is memory for collision measured? Are Simple Collisions like Sphere, Box, and Capsule smaller in terms of memory? Or does it purely depend on…

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## [FIXED: "Out of Video Memory" Crashes](https://forums.unrealengine.com/t/fixed-out-of-video-memory-crashes/2703784)

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**Author:** [@tutugm](https://forums.unrealengine.com/u/tutugm)\
**Replies:** 0\
**Last updated:** [March 5, 2026, 5:39am UTC](https://forums.unrealengine.com/t/fixed-out-of-video-memory-crashes/2703784 "2026-03-05T05:39:34Z")

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Hi everyone, If you are experiencing the “Out of video memory trying to allocate a rendering resource” error—especially in massive projects—the culprit is likely Nanite, even if you have a high-end GPU (like an RTX 30, …

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## [\[Mutable\] Crash in MeshApplyShape() in packed game](https://forums.unrealengine.com/t/mutable-crash-in-meshapplyshape-in-packed-game/2695867)

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**Author:** [@NoPanDa](https://forums.unrealengine.com/u/NoPanDa)\
**Replies:** 6\
**Last updated:** [February 23, 2026, 9:25am UTC](https://forums.unrealengine.com/t/mutable-crash-in-meshapplyshape-in-packed-game/2695867 "2026-02-23T09:25:26Z")

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When running our game in a packaged build (both debug and shipping configurations, engine version 5.7.2), it crashes inside the MeshApplyShape() function at line 877. https://github.com/EpicGames/UnrealEngine/blob/0f7a9…

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## [Avoiding overriding the global operators new, delete](https://forums.unrealengine.com/t/avoiding-overriding-the-global-operators-new-delete/1593241)

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**Author:** [@Ivazhuk](https://forums.unrealengine.com/u/Ivazhuk)\
**Replies:** 1\
**Last updated:** [January 25, 2026, 8:48am UTC](https://forums.unrealengine.com/t/avoiding-overriding-the-global-operators-new-delete/1593241 "2026-01-25T08:48:16Z")

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Hi everybody, In one of my game modules, global operators new, delete cannot be overridden. To do this, in my module I can define a custom macro IMPLEMENT\_MODULE (for example IMPLEMENT\_MODULE2) where I will delete the l…

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## [How can I fix the beginning with a 0% calculation in memory and a long calculation in memory (2-4 hours)? ](https://forums.unrealengine.com/t/how-can-i-fix-the-beginning-with-a-0-calculation-in-memory-and-a-long-calculation-in-memory-2-4-hours/2690899)

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**Author:** [@RabbitCreative](https://forums.unrealengine.com/u/RabbitCreative)\
**Replies:** 0\
**Last updated:** [January 9, 2026, 4:05pm UTC](https://forums.unrealengine.com/t/how-can-i-fix-the-beginning-with-a-0-calculation-in-memory-and-a-long-calculation-in-memory-2-4-hours/2690899 "2026-01-09T16:05:58Z")

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Summary When performing a memory calculation, it starts at 0% and reaches 100% after 3-4 hours. Before that, memory calculation worked in 5 minutes. The character no longer flies during memory calculation, but simply sta…

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## [UE5.4 NavmeshRecast crash on package build](https://forums.unrealengine.com/t/ue5-4-navmeshrecast-crash-on-package-build/2622598)

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**Author:** [@me\_HiDE](https://forums.unrealengine.com/u/me_HiDE)\
**Replies:** 0\
**Last updated:** [July 29, 2025, 3:11pm UTC](https://forums.unrealengine.com/t/ue5-4-navmeshrecast-crash-on-package-build/2622598 "2025-07-29T15:11:01Z")

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Hi! I stumble upon a memory problem regarding the NavmeshRecast. Somehow, whenever I load a level, there will be a memory allocation of ~4GBs for NavmeshRecast (got this from LLM). It only occurs on the first 3-5mins a…

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## [Memory Calculation stuck at 0%](https://forums.unrealengine.com/t/memory-calculation-stuck-at-0/2602164)

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**Author:** [@PAKPrime](https://forums.unrealengine.com/u/PAKPrime)\
**Replies:** 0\
**Last updated:** [July 12, 2025, 10:16pm UTC](https://forums.unrealengine.com/t/memory-calculation-stuck-at-0/2602164 "2025-07-12T22:16:49Z")

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Summary Hey all, I am currently having issues performing memory calculation in UEFN. It no longer performs memory calculation successfully and I cannot go to publishing my island, nor optimising memory when using results…

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## [6月8日アプデ後のメモリ使用量大幅増加について ](https://forums.unrealengine.com/t/6-8/2548249)

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**Author:** [@Megane\_PAPA](https://forums.unrealengine.com/u/Megane_PAPA)\
**Replies:** 0\
**Last updated:** [June 9, 2025, 1:12pm UTC](https://forums.unrealengine.com/t/6-8/2548249 "2025-06-09T13:12:19Z")

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前回のアプデ後にMAPの更新をしたところ、メモリ使用量が大幅に増加しました。 具体的には85,000前後だったものが94,000前後になっています。 何か考えられる原因と解決方法（元に戻す）方法はありますか？ なお、MAPはエイム練習MAPで更新内容はロビーに設置してある武器を整理し、新武器を追加（アイテムプレーサーを追加）しただけで、メモリに大きく影響する内容ではありません。

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## [Crash when restarting level out of memory](https://forums.unrealengine.com/t/crash-when-restarting-level-out-of-memory/2299691)

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**Author:** [@AndrewFord](https://forums.unrealengine.com/u/AndrewFord)\
**Replies:** 4\
**Last updated:** [January 25, 2025, 11:27am UTC](https://forums.unrealengine.com/t/crash-when-restarting-level-out-of-memory/2299691 "2025-01-25T11:27:34Z")

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Hello! My game has a memory overflow and crash every time I restart a level. When loading the level for the first time it consumes 6GB, if I try to load it again immediately, the memory goes to 8GB+. This happens on dif…

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## [High Memory](https://forums.unrealengine.com/t/high-memory/2489258)

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**Author:** [@XxFN-JoexX](https://forums.unrealengine.com/u/XxFN-JoexX)\
**Replies:** 1\
**Last updated:** [May 4, 2025, 4:49am UTC](https://forums.unrealengine.com/t/high-memory/2489258 "2025-05-04T04:49:42Z")

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Summary I was at 71k memory this morning but when I launched a session I jumped to 78 or 79…forget but then without adding anything to my map It went up 1.5k so I re-launched and it went up another 4k in memory. This wen…

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## [Release a SceneCaptureComponent2D from GPU memory](https://forums.unrealengine.com/t/release-a-scenecapturecomponent2d-from-gpu-memory/731780)

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**Author:** [@SHADESPIRIT](https://forums.unrealengine.com/u/SHADESPIRIT)\
**Replies:** 1\
**Last updated:** [May 1, 2025, 2:23pm UTC](https://forums.unrealengine.com/t/release-a-scenecapturecomponent2d-from-gpu-memory/731780 "2025-05-01T14:23:32Z")

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Hello everyone, As the title suggests: As soon as I initialize a scene capture’s texture target to a render target (be it persistent from the content browser or created via script) that has a size of 4K (I believe it’s …

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## [Unreal doesn't use shared-RAM for GPU](https://forums.unrealengine.com/t/unreal-doesnt-use-shared-ram-for-gpu/1225645)

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**Author:** [@Frenetic](https://forums.unrealengine.com/u/Frenetic)\
**Replies:** 8\
**Last updated:** [April 26, 2025, 2:53am UTC](https://forums.unrealengine.com/t/unreal-doesnt-use-shared-ram-for-gpu/1225645 "2025-04-26T02:53:53Z")

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So, I am wondering what I, the user, did incorrectly here to get my system in such a state. It just doesn’t seem to want to use shared RAM in 5.2. Struggling to get what was working 4.26 (well enough) to just-run in 5.…

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## [100% System Memory Usage](https://forums.unrealengine.com/t/100-system-memory-usage/2471064)

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**Author:** [@celestia](https://forums.unrealengine.com/u/celestia)\
**Replies:** 0\
**Last updated:** [April 23, 2025, 5:37am UTC](https://forums.unrealengine.com/t/100-system-memory-usage/2471064 "2025-04-23T05:37:19Z")

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I’ve been trying to solve this issue for weeks now and still no solutions. I’ve tried all the usual fixes. No matter what I try, when having my project open, after some random amount of time (even when doing complete…

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## [Inability to unload an object from memory](https://forums.unrealengine.com/t/inability-to-unload-an-object-from-memory/2385870)

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**Author:** [@blAddddDe](https://forums.unrealengine.com/u/blAddddDe)\
**Replies:** 2\
**Last updated:** [March 12, 2025, 4:00pm UTC](https://forums.unrealengine.com/t/inability-to-unload-an-object-from-memory/2385870 "2025-03-12T16:00:12Z")

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Good afternoon/evening/morning. The more I learn about PDA and AssetManager, the faster I go crazy. Today I encountered a new problem: object (Primary Data Asset ) is not unloaded from memory. I run ForceGC and check …

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## [Instant disconnection from session + Unable to run memory calculation](https://forums.unrealengine.com/t/instant-disconnection-from-session-unable-to-run-memory-calculation/2229704)

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**Author:** [@blau.222](https://forums.unrealengine.com/u/blau.222)\
**Replies:** 2\
**Last updated:** [December 18, 2024, 7:19pm UTC](https://forums.unrealengine.com/t/instant-disconnection-from-session-unable-to-run-memory-calculation/2229704 "2024-12-18T19:19:08Z")

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Summary Short description: My session disconnect as soon as i launch session and it is happening everytime i have 2 or more of a heavy versedevice in my map. (i must have 3 instances of that device) . The memory calcula…

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## [Out of Video Memory (Ram Cause)](https://forums.unrealengine.com/t/out-of-video-memory-ram-cause/365738)

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**Author:** [@sbnewsom](https://forums.unrealengine.com/u/sbnewsom)\
**Replies:** 15\
**Last updated:** [November 25, 2024, 4:08pm UTC](https://forums.unrealengine.com/t/out-of-video-memory-ram-cause/365738 "2024-11-25T16:08:34Z")

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Lets start with system specs. AMD Phenom II X6 1055T NVIDIA GeForce GTX 1080 (8 GB of VRAM) 16GB of Ram And four harddrives. Now for the problem. I have a third display which diagnoses and displays stats for my comp…

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## [Fatal error: \[File:D:\\build\\++UE5\\Sync\\Engine\\Source\\Runtime\\Core\\Private\\GenericPlatform\\GenericPlatformMemory.cpp\] \[Line: 241\] Ran out of memory when saving matrix large city demo map](https://forums.unrealengine.com/t/fatal-error-file-build-ue5-sync-engine-source-runtime-core-private-genericplatform-genericplatformmemory-cpp-line-241-ran-out-of-memory-when-saving-matrix-large-city-demo-map/1164163)

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**Author:** [@renderqueen13](https://forums.unrealengine.com/u/renderqueen13)\
**Replies:** 6\
**Last updated:** [November 22, 2024, 1:36am UTC](https://forums.unrealengine.com/t/fatal-error-file-build-ue5-sync-engine-source-runtime-core-private-genericplatform-genericplatformmemory-cpp-line-241-ran-out-of-memory-when-saving-matrix-large-city-demo-map/1164163 "2024-11-22T01:36:58Z")

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I keep getting Fatal error: \[File:D:\\build++UE5\\Sync\\Engine\\Source\\Runtime\\Core\\Private\\GenericPlatform\\GenericPlatformMemory.cpp\] \[Line: 241\] Ran out of memory allocating 22369620 bytes with alignment 0. Last error msg:…

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## [How to Get Detailed Memory informaton for Each Shader when game running?](https://forums.unrealengine.com/t/how-to-get-detailed-memory-informaton-for-each-shader-when-game-running/2137963)

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**Author:** [@Ruiqi777x](https://forums.unrealengine.com/u/Ruiqi777x)\
**Replies:** 0\
**Last updated:** [November 20, 2024, 4:17pm UTC](https://forums.unrealengine.com/t/how-to-get-detailed-memory-informaton-for-each-shader-when-game-running/2137963 "2024-11-20T16:17:05Z")

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I am currently able to track the overall memory size for shaders using the STAT LLMFULL command. However, I want to go further and obtain detailed information about each shader instance, including: • The number of shade…

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## [Malloc slack and waste](https://forums.unrealengine.com/t/malloc-slack-and-waste/2137306)

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**Author:** [@milantaticek1](https://forums.unrealengine.com/u/milantaticek1)\
**Replies:** 2\
**Last updated:** [November 20, 2024, 10:49am UTC](https://forums.unrealengine.com/t/malloc-slack-and-waste/2137306 "2024-11-20T10:49:20Z")

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Hello, I have a question regarding memory slack and waste in UE 5.4. I am trying to reduce memory consumption and using DUMPALLOCS I noticed that we have about 91% malloc efficiency. The slack memory was about 200MB and…

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## [Costless transfer of a std::vector\<T\>'s data to a TArray\<T\>.](https://forums.unrealengine.com/t/costless-transfer-of-a-std-vector-t-s-data-to-a-tarray-t/2124316)

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**Author:** [@OctoberIC](https://forums.unrealengine.com/u/OctoberIC)\
**Replies:** 0\
**Last updated:** [November 15, 2024, 9:54am UTC](https://forums.unrealengine.com/t/costless-transfer-of-a-std-vector-t-s-data-to-a-tarray-t/2124316 "2024-11-15T09:54:51Z")

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When working with external libraries, one often has to cast from C++ types to Unreal Engine types with the exact same binary representation. Here for instance, boost::geometry’s point\_xy and FVector2D. I don’t see why th…

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## [Solution to Unreal and Twinmotion Lumen DX12 crashes!](https://forums.unrealengine.com/t/solution-to-unreal-and-twinmotion-lumen-dx12-crashes/2049731)

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**Author:** [@Koen\_76](https://forums.unrealengine.com/u/Koen_76)\
**Replies:** 0\
**Last updated:** [October 2, 2024, 1:34pm UTC](https://forums.unrealengine.com/t/solution-to-unreal-and-twinmotion-lumen-dx12-crashes/2049731 "2024-10-02T13:34:17Z")

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Hi, after days of searching why Twinmotion and Unreal Engine crashes in DX12 mode (memory errors), I finally found the solution here: It is not a software or graphic driver problem, but it was the Intel i9 processor. (m…

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