# \#cache **URL:** https://forums.unrealengine.com/tag/cache/2062.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [How do I set Zen DDC location to the project folder?](https://forums.unrealengine.com/t/how-do-i-set-zen-ddc-location-to-the-project-folder/2017286)
**Author:** [@BOB.cat](https://forums.unrealengine.com/u/BOB.cat)\ **Replies:** 5\ **Last updated:** [August 9, 2026, 12:27pm UTC](https://forums.unrealengine.com/t/how-do-i-set-zen-ddc-location-to-the-project-folder/2017286 "2026-08-09T12:27:41Z")
I’ve always set the DDC to be local inside my project folder, each project had its own LocalDerivedDataCache folder. That way, when I backed up up a project and moved it to a different computer, I’d keep the cache so th… --- ## [Chaos Cloth Cache Double Transform](https://forums.unrealengine.com/t/chaos-cloth-cache-double-transform/2474845)
**Author:** [@Muggawumps](https://forums.unrealengine.com/u/Muggawumps)\ **Replies:** 1\ **Last updated:** [July 7, 2026, 8:36am UTC](https://forums.unrealengine.com/t/chaos-cloth-cache-double-transform/2474845 "2026-07-07T08:36:42Z")
Hello! I’ve created a long jacket Cloth Asset in UE5.5. I’ve successfully recorded a Chaos Cloth Cache after following this helpful guide, and I’m attempting to assemble an animation sequence after prepping the rest of … --- ## [UE 5 won’t import Alembic Groom Cache](https://forums.unrealengine.com/t/ue-5-won-t-import-alembic-groom-cache/2721440)
**Author:** [@Peach.meantri](https://forums.unrealengine.com/u/Peach.meantri)\ **Replies:** 2\ **Last updated:** [May 27, 2026, 8:53pm UTC](https://forums.unrealengine.com/t/ue-5-won-t-import-alembic-groom-cache/2721440 "2026-05-27T20:53:43Z")
Has anyone experienced this issue with Houdini Groom Cache imports in Unreal? I’m working on a Houdini → Unreal groom pipeline for cinematic hair, and I’m running into a really confusing problem with Groom Cache importi… --- ## [About return pins on BPs](https://forums.unrealengine.com/t/about-return-pins-on-bps/2607169)
**Author:** [@thelukasoliver](https://forums.unrealengine.com/u/thelukasoliver)\ **Replies:** 3\ **Last updated:** [July 21, 2025, 6:45pm UTC](https://forums.unrealengine.com/t/about-return-pins-on-bps/2607169 "2025-07-21T18:45:40Z")
Does functions create a temporary class variable (property) when they have a return pin and are placed in the event graph? Because the shown on the image below will work forever, it will never crash or return something … --- ## [Motion Matching (GASP) - PSD Indexing Cancellation Issues](https://forums.unrealengine.com/t/motion-matching-gasp-psd-indexing-cancellation-issues/2077906)
**Author:** [@syrcon](https://forums.unrealengine.com/u/syrcon)\ **Replies:** 7\ **Last updated:** [April 27, 2025, 10:28pm UTC](https://forums.unrealengine.com/t/motion-matching-gasp-psd-indexing-cancellation-issues/2077906 "2025-04-27T22:28:07Z")
Hello all, I’m having an issue implementing the Game Animation Sample project’s Motion Matching system into my own project and was curious if anyone else had come across the same issue. Context I have duplicated the an… --- ## [Chaos Caching Issues in UE 5.5 ](https://forums.unrealengine.com/t/chaos-caching-issues-in-ue-5-5/2467944)
**Author:** [@Beot\_Tea87](https://forums.unrealengine.com/u/Beot_Tea87)\ **Replies:** 0\ **Last updated:** [April 21, 2025, 1:17pm UTC](https://forums.unrealengine.com/t/chaos-caching-issues-in-ue-5-5/2467944 "2025-04-21T13:17:41Z")
I have spent the last couple days working on a project, but nearing the deadline, I have discovered that I am unable to cache out Chaos in UE 5.5. It is not the same as in 5.4- it appears that the method of simulation ha… --- ## [Playback Each Individual Index Separately in a Chaos Cache](https://forums.unrealengine.com/t/playback-each-individual-index-separately-in-a-chaos-cache/2444502)
**Author:** [@D\_Siggs3](https://forums.unrealengine.com/u/D_Siggs3)\ **Replies:** 3\ **Last updated:** [April 8, 2025, 6:23am UTC](https://forums.unrealengine.com/t/playback-each-individual-index-separately-in-a-chaos-cache/2444502 "2025-04-08T06:23:18Z")
Hello, I am setting up a destructible asset comprised of 8 meshes. Each mesh has been fractured and exists in the level as a geometry collection. I recorded the 8 geometry collections with the Chaos Cache Manager. The C… --- ## [Cloth Chaos Cache Manager overwrites its cache during rendering](https://forums.unrealengine.com/t/cloth-chaos-cache-manager-overwrites-its-cache-during-rendering/2350356)
**Author:** [@zeroInstance](https://forums.unrealengine.com/u/zeroInstance)\ **Replies:** 1\ **Last updated:** [April 3, 2025, 3:58am UTC](https://forums.unrealengine.com/t/cloth-chaos-cache-manager-overwrites-its-cache-during-rendering/2350356 "2025-04-03T03:58:31Z")
I have written a cloth simulation to the ChaosCacheManager and it works fine in the sequencer, but when I try to render, the cache manager switches to recording mode and instead of playing the simulation cache, it overwr… --- ## [Low performance with cached gas simulations (Niagara Fluids 3D gas sim)](https://forums.unrealengine.com/t/low-performance-with-cached-gas-simulations-niagara-fluids-3d-gas-sim/2177751)
**Author:** [@ABordeu](https://forums.unrealengine.com/u/ABordeu)\ **Replies:** 2\ **Last updated:** [December 7, 2024, 1:54am UTC](https://forums.unrealengine.com/t/low-performance-with-cached-gas-simulations-niagara-fluids-3d-gas-sim/2177751 "2024-12-07T01:54:10Z")
Hello guys, I’m trying to develop an effect using Niagara Fluids 3d Gas sim to create muzzle fire smoke that dissipates. Because I know that computing 3d grid sims in real-time is prohibitive performance-wise, I’ve ‘… --- ## [Physics/Chaos Cache Playback Bug?](https://forums.unrealengine.com/t/physics-chaos-cache-playback-bug/2156758)
**Author:** [@StoneyMaroney](https://forums.unrealengine.com/u/StoneyMaroney)\ **Replies:** 1\ **Last updated:** [December 3, 2024, 1:17pm UTC](https://forums.unrealengine.com/t/physics-chaos-cache-playback-bug/2156758 "2024-12-03T13:17:31Z")
Hello! Im not sure if this is intended or not so thats why I didnt add a Bug report tag to this. Im running Unreal 5.4 But im currently working on a VR project that is using the VRExpansionPlugin. Im needing to destro… --- ## [Steam Achievements Always Fail in Standalone](https://forums.unrealengine.com/t/steam-achievements-always-fail-in-standalone/423762)
**Author:** [@ScrapingBottom](https://forums.unrealengine.com/u/ScrapingBottom)\ **Replies:** 3\ **Last updated:** [October 26, 2024, 2:59pm UTC](https://forums.unrealengine.com/t/steam-achievements-always-fail-in-standalone/423762 "2024-10-26T14:59:59Z")
Hey there, I see the Steam overlay appear when I run on standalone, however, whenever I attempt to cache achievements, it always fails. Achievements worked without issue for my release on 4.15, but I’m running into iss… --- ## [How to move "Derived Data Cache" folder?](https://forums.unrealengine.com/t/how-to-move-derived-data-cache-folder/295868)
**Author:** [@bobmartien](https://forums.unrealengine.com/u/bobmartien)\ **Replies:** 13\ **Last updated:** [September 10, 2024, 1:08am UTC](https://forums.unrealengine.com/t/how-to-move-derived-data-cache-folder/295868 "2024-09-10T01:08:41Z")
Hey guys, I installed UE4 on my second HArd Disk (Sata III HDD rather than my SSD). Even if I did that, some files are still installed on my SSD (C:\\Users\\xxxxxxx\\AppData\\Local). I’m fine with it, but there is a fold… --- ## [PSO Cache: for iOS Devices](https://forums.unrealengine.com/t/pso-cache-for-ios-devices/1725721)
**Author:** [@Lapampadoura](https://forums.unrealengine.com/u/Lapampadoura)\ **Replies:** 1\ **Last updated:** [October 9, 2024, 6:15pm UTC](https://forums.unrealengine.com/t/pso-cache-for-ios-devices/1725721 "2024-10-09T18:15:51Z")
Hello everyone, I hope y’all fine. I am creating a small game for a customer, it is feature-ready and the only thing left to do is optimizing the first launch of the game, let me explain: I’m testing a shipping package… --- ## [Caching the simulation of Cloth Asset - does it work?](https://forums.unrealengine.com/t/caching-the-simulation-of-cloth-asset-does-it-work/2016196)
**Author:** [@Evanesme](https://forums.unrealengine.com/u/Evanesme)\ **Replies:** 0\ **Last updated:** [September 11, 2024, 1:19pm UTC](https://forums.unrealengine.com/t/caching-the-simulation-of-cloth-asset-does-it-work/2016196 "2024-09-11T13:19:50Z")
Hi, I have a problem when I try to record cache simulation of my cloth assets attached to a blueprint. The simulation works fine, I can see it during the recording, but when it finishes, the Chaos Cache Collection seems … --- ## [Rendering Simulation Data (Particles)](https://forums.unrealengine.com/t/rendering-simulation-data-particles/402517)
**Author:** [@anonymous\_user\_c15eefcd](https://forums.unrealengine.com/u/anonymous_user_c15eefcd)\ **Replies:** 2\ **Last updated:** [June 15, 2024, 4:47am UTC](https://forums.unrealengine.com/t/rendering-simulation-data-particles/402517 "2024-06-15T04:47:09Z")
Short version first, what is the best way to render millions of particles from a cache, visualizing individual particle attributes? Is there a particle object in the API I can instance (I can’t seem to find one)? I am w… --- ## [PSO Cache not removing completely stutters on Android](https://forums.unrealengine.com/t/pso-cache-not-removing-completely-stutters-on-android/795698)
**Author:** [@Gil](https://forums.unrealengine.com/u/Gil)\ **Replies:** 2\ **Last updated:** [March 18, 2024, 2:09pm UTC](https://forums.unrealengine.com/t/pso-cache-not-removing-completely-stutters-on-android/795698 "2024-03-18T14:09:25Z")
Hi everyone, I have integrated the PSO Cache system on Android but still get stutters. I use Unreal 4.27.2 with the Oculus branch. I have successfully generated the csv file. When the file is placed in the correct folder… --- ## [\[UE5\] How to cook a shadermap?](https://forums.unrealengine.com/t/ue5-how-to-cook-a-shadermap/1585970)
**Author:** [@EsmeraldaQuinter](https://forums.unrealengine.com/u/EsmeraldaQuinter)\ **Replies:** 0\ **Last updated:** [January 3, 2024, 11:12pm UTC](https://forums.unrealengine.com/t/ue5-how-to-cook-a-shadermap/1585970 "2024-01-03T23:12:20Z")
Hello! Is there any tutorial in order to learn how to cook and load cache shadermap. I have seen this type of implementation in plugins like Niagara and OCIO but I don’t get the complete idea of the implementation. --- ## [Geometry Cache (Alembic) "Receives Decals" not working](https://forums.unrealengine.com/t/geometry-cache-alembic-receives-decals-not-working/377096)
**Author:** [@LucidMikeB](https://forums.unrealengine.com/u/LucidMikeB)\ **Replies:** 6\ **Last updated:** [November 8, 2023, 1:14pm UTC](https://forums.unrealengine.com/t/geometry-cache-alembic-receives-decals-not-working/377096 "2023-11-08T13:14:34Z")
Hi I’ve been using the new geometry cache feature in UE4.13 and found that the standard rendering flag “Receives Decals” doesn’t seem to do anything at all for geometry cache components. I want to be able to turn decals… --- ## [How to bind groom cache(!) to skeletal mesh?](https://forums.unrealengine.com/t/how-to-bind-groom-cache-to-skeletal-mesh/496247)
**Author:** [@anonymous\_user\_e6c582a91](https://forums.unrealengine.com/u/anonymous_user_e6c582a91)\ **Replies:** 1\ **Last updated:** [September 21, 2023, 1:09pm UTC](https://forums.unrealengine.com/t/how-to-bind-groom-cache-to-skeletal-mesh/496247 "2023-09-21T13:09:24Z")
Hello, I’m desperately trying to hide parts of a groom at runtime. Similar to the meerkat demo I got a furred animal and need to get rid/hide/disable/fade out the fur from the body center outwards. I have tried messing… --- ## [C cache changed, VR not functional, no sound, etc.](https://forums.unrealengine.com/t/c-cache-changed-vr-not-functional-no-sound-etc/1189734)
**Author:** [@Paindwich](https://forums.unrealengine.com/u/Paindwich)\ **Replies:** 0\ **Last updated:** [June 5, 2023, 4:08pm UTC](https://forums.unrealengine.com/t/c-cache-changed-vr-not-functional-no-sound-etc/1189734 "2023-06-05T16:08:22Z")
Good morning, Today i was unable to start my project anymore, because no more space on the C: drive, so I followed this video to modify my cache emplacement. After changing in the EpicLauncher and in the … --- ## [Shared Derived Data Cache (DDC) settings are not read from DefaultEngine.ini](https://forums.unrealengine.com/t/shared-derived-data-cache-ddc-settings-are-not-read-from-defaultengine-ini/778692)
**Author:** [@ftarlier](https://forums.unrealengine.com/u/ftarlier)\ **Replies:** 2\ **Last updated:** [April 2, 2023, 6:49pm UTC](https://forums.unrealengine.com/t/shared-derived-data-cache-ddc-settings-are-not-read-from-defaultengine-ini/778692 "2023-04-02T18:49:39Z")
I did follow those steps, but no matter what I do in the DefaultEngine.ini, the settings doesn’t show up in the Editor. UE won’t connect to the DDC. Derived Data Cache | Unreal Engine 5.1 Documentation The only way it … --- ## [Blend alembic grometry cache](https://forums.unrealengine.com/t/blend-alembic-grometry-cache/832182)
**Author:** [@a-marthina](https://forums.unrealengine.com/u/a-marthina)\ **Replies:** 0\ **Last updated:** [March 29, 2023, 2:24pm UTC](https://forums.unrealengine.com/t/blend-alembic-grometry-cache/832182 "2023-03-29T14:24:11Z")
Hello, Is it possible to blend between either multiple geometry caches or one cache, that has been cut in the sequencer, and blend them in the same way as skeletal animations in sequencer? I believe it could work in th… --- ## [Cache crash](https://forums.unrealengine.com/t/cache-crash/480042)
**Author:** [@jeremycouillard](https://forums.unrealengine.com/u/jeremycouillard)\ **Replies:** 4\ **Last updated:** [January 31, 2023, 9:24am UTC](https://forums.unrealengine.com/t/cache-crash/480042 "2023-01-31T09:24:25Z")
I am trying to run an endless simulation across 15 levels. When a level opens up, cameras fly around, a song plays, when the song is done, another level opens up, repeat above. This works for around 14 hours, for around… --- ## [It is possible to deform a mesh with a geometry cache?](https://forums.unrealengine.com/t/it-is-possible-to-deform-a-mesh-with-a-geometry-cache/745560)
**Author:** [@PwPwPower](https://forums.unrealengine.com/u/PwPwPower)\ **Replies:** 0\ **Last updated:** [January 9, 2023, 4:20pm UTC](https://forums.unrealengine.com/t/it-is-possible-to-deform-a-mesh-with-a-geometry-cache/745560 "2023-01-09T16:20:24Z")
I wanna work with alembic caches, but the UV (and the normal) attribute increases the cache size by a lot. So instead of writing the UV coordinate into each frame, there is a way to deform an already unwrapped static mes… --- ## [Is there a way to Bake/Cache Particle Data in UE4, so that each time I render a sequencer animation that the particles are in the exact same location each time?](https://forums.unrealengine.com/t/is-there-a-way-to-bake-cache-particle-data-in-ue4-so-that-each-time-i-render-a-sequencer-animation-that-the-particles-are-in-the-exact-same-location-each-time/405239)
**Author:** [@anonymous\_user\_e48f496d](https://forums.unrealengine.com/u/anonymous_user_e48f496d)\ **Replies:** 4\ **Last updated:** [September 29, 2022, 9:45pm UTC](https://forums.unrealengine.com/t/is-there-a-way-to-bake-cache-particle-data-in-ue4-so-that-each-time-i-render-a-sequencer-animation-that-the-particles-are-in-the-exact-same-location-each-time/405239 "2022-09-29T21:45:45Z")
Does anyone know of a way to Cache/Bake UE4 particle Data so that it plays back exactly the same time every time? I need this for multiple reasons. Most pressing at the moment is that I am rendering out Stereo cameras t… --- ## [Adding collision to alembic character](https://forums.unrealengine.com/t/adding-collision-to-alembic-character/431464)
**Author:** [@GavinCrout1030](https://forums.unrealengine.com/u/GavinCrout1030)\ **Replies:** 1\ **Last updated:** [July 8, 2022, 2:07pm UTC](https://forums.unrealengine.com/t/adding-collision-to-alembic-character/431464 "2022-07-08T14:07:28Z")
I just imported an alembic character animation to UE4 (via geometry cache) and I planned on adding collision to it so my cloth and hair can collide with the alembic cache. Is their a way to do this. I’m not trying to mak… --- ## [Groom cache Render issue](https://forums.unrealengine.com/t/groom-cache-render-issue/490288)
**Author:** [@anonymous\_user\_1d3546eb](https://forums.unrealengine.com/u/anonymous_user_1d3546eb)\ **Replies:** 1\ **Last updated:** [February 2, 2022, 11:15pm UTC](https://forums.unrealengine.com/t/groom-cache-render-issue/490288 "2022-02-02T23:15:28Z")
Hi there I try again import groom cache in UE 4.27.1 But continuously miss match. I’m not use geometry cache binding groom cache. The maya data is correct but result rendered by engine is not correct. Should I chang… --- ## [ChaosのCachingをしてシーケンサで使いたい](https://forums.unrealengine.com/t/chaos-caching/491315)
**Author:** [@\_YOUAT](https://forums.unrealengine.com/u/_YOUAT)\ **Replies:** 1\ **Last updated:** [November 26, 2021, 11:45am UTC](https://forums.unrealengine.com/t/chaos-caching/491315 "2021-11-26T11:45:23Z")
UE4.27Chaos.verにてchaos破壊動作のキャッシュを作成してシーケンサで使いたいです。 公式の方法はジオメトリコレクションにcache項目が存在しないため使えず chaos cache collectionやchaos cache managerというものを見つけたのですが使い方が分からず手詰まりの状態です。 どなたか分かる方教えてください。 --- ## [Swarm Agent \[Error\]](https://forums.unrealengine.com/t/swarm-agent-error/490359)
**Author:** [@ChrisRapid94](https://forums.unrealengine.com/u/ChrisRapid94)\ **Replies:** 0\ **Last updated:** [October 28, 2021, 2:16pm UTC](https://forums.unrealengine.com/t/swarm-agent-error/490359 "2021-10-28T14:16:10Z")
Hi, I have a problem with Swarm Agent when building light in Unreal Engine 4 4.27.1. When I go to build light only I get a window popping up mentioning that the build status - Starting up Swarm Connection…(100%) and the… --- ## [\[4.27\] Groom Cache just crash](https://forums.unrealengine.com/t/4-27-groom-cache-just-crash/489275)
**Author:** [@anonymous\_user\_1d3546eb](https://forums.unrealengine.com/u/anonymous_user_1d3546eb)\ **Replies:** 3\ **Last updated:** [September 30, 2021, 1:36am UTC](https://forums.unrealengine.com/t/4-27-groom-cache-just-crash/489275 "2021-09-30T01:36:26Z")
Hi there I want to use groom cache in 4.27. But put in the groom cache just crash. (I try strands, guides cache both all) And If I success, that can’t move. Just hold. I use Maya 2022, Yeti 4.0.3. How I can fix it ? … [Next page](https://forums.unrealengine.com/tag/cache/2062.md?match_all_tags=true&page=1&tags%5B%5D=cache)