Unity allocator example We identified settings that could be used to optimize for a specific applications unique needs and verified the gains in a selection of games and The following example declares and creates a rewindable allocator: // Example user structure internal struct ExampleStruct { // Use AllocatorHelper to help creating a rewindable alloctor AllocatorHelper<RewindableAllocator> rwdAllocatorHelper; // Rewindable allocator property for accessibility public ref RewindableAllocator RwdAllocator => ref The wrapper AllocatorHelper helps the process in creating a custom allocator. For very short-lived allocations. For example, you can't pass a native array that's Temp allocated in the main thread into a job. On main thread - Temp allocator disposes every frame. Close. I want to ensure that this approach is both safe and Each native memory allocator type has its own different usages and behavior. Enable Full StackTraces to get more details. Unfortunately, the related documentation is poor. Commented May 5, Product of nth roots of unity more hot questions Question feed Subscribe to RSS Question feed Custom allocator overview. Customizing native memory allocators: Customize the allocator types with the Editor or command line. Allocate( AllocatorHandle allocatorHandle , int itemSizeInBytes , int intalignmentInBytes , int items ) tries to be a little bit more accessible. Both are unsafe so the . Collections. The main concept of the talk was how to support entities to interact i. Is the performance cost only on allocation or is it using the Persistent container is less performant than using a TempJob container in a Job?. In this post, we describe a small shooter game sample that animates and renders several interactive objects. TempJob then Disposed every time after Complete. If a chosen Temp allocator is full, Unity chooses a fallback allocator instead (usually TempJob, or Temp Overflow). TempJob. The Performance Optimization Team have recently taken a deeper look at the memory allocation systems within Unity. Refer to Setting up your project for Unity services. PlanetGraph, TriangleIndices = triangleToBuild. Persistent. . System group allocator. Although we cannot accept all submissions, we do read each suggested change from our users and will make updates where applicable. TempJob then Disposed every time For example, a long-lived (persistent) allocation goes to the heap and bucket allocators, while short-lived allocations go to the threadsafe linear and TLS allocators. memorysetup-job-temp-allocator-block-size: 2097152: Note: The examples in this documentation use the memory usage reports that are written to the log when you close the player or Editor. Show / Hide Table of Contents. Project Settings > Memory Settings, showing a selection of Player memory settings The examples use the memory usage reports that are written to the log when you close the Player or Unity Editor. To find your log files, follow the instructions on the log files page. Native heap allocator was changed from jemalloc to scudo. Most small jobs use this allocation type. If I have job that executed in update, maybe it is better to create global NativeArray with Allocator. var jobBuildTriangles = new BuildTriangles { Graph = g. After you create a custom allocator, you need to register it in a global allocator table in The wrapper AllocatorHelper helps the process in creating a custom allocator. unity_67663A5F035AA11DD006 July 23, 2021, It is possible to expose the unity allocator to the libsodium, but I am not sure if Temp allocator used inside jobs it’s not the same Temp allocator which used on main thread and tracked a bit differently, Sebastian definitely will explain this better but in simple words: Inside job - Temp allocator disposed when thread with job done. Examples are given below as how to declare and create a custom allocator defined in the #if ENABLE_UNITY_COLLECTIONS_CHECKS // Object disposed exception throws because nativeArray is already disposed Assert. Based on the “Overflow Count”, it looks like I really need to increase the size of this allocator. The change affected Unity’s native heap allocator, causing Unity based applications to crash on Android 11 when running on ARM 64. The allocation timeout value sets the payload TTL in the Fleet scaling settings, which is one hour by default if not set at the fleet level. Throws<ObjectDisposedException>(() => { It would be sweet to be able to clean up my sodium allocators when a Temp allocator is cleaned up for example. Asking for help, clarification, or responding to other answers. using UnityEngine; using Unity. Unity uses these allocators for allocations that are too large for the bucket allocator. 0 MB Peak Block count 2 Peak Allocated memory 54. The following example configuration demonstrates the process of reserving blocks for allocations: Shared Bucket Allocator for the Windows, Mac and Linux Player. Provide details and share your research! But avoid . One can find more information about NativeArrays on the Unity Forums, although that information will be coming from users rather than Unity In this example usage report, the 0. Note: There is no protection against accessing static data from within a job. An example usage report for the dynamic heap allocator: Version: Unity 6. memorysetup-job-temp-allocator-block-size: 2097152: Burst friendly (special) native collections for Unity - andywiecko/BurstCollections. now the only part pending is rendering the mesh in an efficient manner,perhaps on the main thread and Generating thousands of mesh instance at A member of the Unity. Many demos are made for high-end PCs only, but the goal here is to achieve a high frame rate on a budget phone using GLES 3. After walking through the component data Yes, but it is copied from current Unity Editor folder ( for example D:\UnityEngines\2020. For an example of the dynamic heap allocator usage, refer to Dynamic heap allocator example. Two dynamic heap allocators: A lock-free allocator for the main thread, and an allocator that is shared by all other threads, which locks on allocation and deallocation. In a Job you can not . Persistent); using var tree = new Native2dTree Example usage. LowLevel. Additional resources. Dispose(), it This this expected or am i missing something. Spline, Unity. ArgMax returns the index of the maximum value in a tensor, for example the prediction with the highest probability in a classification model. The dynamic heap allocator uses memory blocks. TLS stack allocator usage reports For example, to change the block size of the main heap allocators, use -memorysetup-main-allocator-block-size=<new_value> The allocator parameter names and their default values: Allocator The round robin linear thread allocator Unity mainly uses for the job worker threads. Version: Unity 6. Allocator. Temp in a Job, so it has to be Allocator. The round robin linear thread allocator Unity mainly uses for the job worker threads. Examples are given below as how to declare and create a custom allocator defined in the Example custom allocator. You can use MeshCollider. TempJob NativeList gives “A Native Collection has not been disposed, resulting in a memory leak. The Deallocate V2 endpoint differs from the original Server Deallocate endpoint in that it requires the allocation UUID and the fleet ID, and supports the Allocations Payload feature. Suggest a change. memorysetup-job-temp-allocator-block-size: 2097152: The process of deallocating an allocation deletes the payload associated with the allocation. Burst friendly (special) native collections for Unity (64, Allocator. Temp. 2 MB In this example, the TLSF block size is set to 16 MB Allocator. 2 MB In this example, the TLSF block size is set to 16 MB Efficient memory access patterns are a key factor in creating high performance software applications. Dispose(); } A bucket allocator for small allocations. You can not use Allocator. Project Settings > Memory Settings, showing a selection of Player memory settings The examples use the memory usage reports that Unity writes to the log when you close the Player or Unity Editor. To overcome this limitation you need to store the results in a type of shared memory called NativeContainer. you can't pass main thread Temp allocations into a job. A NativeContainer is a managed value type that provides a safe C# wrapper for native memory. This simple example in the docs use a native array to run a job over the I have a question about how to properly assign Allocator type in NativeArray. NativeSpline m_Spline; void OnEnable() { m_Spline = new NativeSpline(m_Container. In this setup, the total block size (Bucket Allocator Block Size) is 4MB, and the granularity of allocations (Bucket Allocator Granularity) is 16B. 26f1. It looks like if I’d be able to undefine ENABLE_UNITY_COLLECTIONS_CHECKS in the editor somehow temporarily, I would be able to get rid of the DisposeSentinel blocking Burst from compiling the jobs with NativeArray allocations in them. This must be a valid UUID that you generate. Native memory allocators; Hello, INSIDE a long running Job (e. To create a custom allocator, it must contain an allocator handle of type AllocatorManager. Submission failed. Domain: Use an allocation associated with the lifetime of a domain. Unity has five allocator types. a Follower entity moves toward the Leader entity. Allocator. Each frame, the main thread creates a Temp allocator which is deallocated in its entirety at the end of the frame. memorysetup-job-temp-allocator-block-size: 2097152: Example configuration. Persistant, initializes the allocated memory with a user configured value, and increments an allocation count. The following example populates a list with integers in one job and passes that data to a second job as a deferred array. This this expected or am i missing something. Persistent); } void OnDisable() { m_Spline. To start with simple optimizations i followed this small tutorial. – Naaff. Make sure required components are added. Native memory allocators: Understand the different types of allocators Unity uses to allocate memory. enumeration. Throws<ObjectDisposedException>(() => { Allocator overview. you must deallocate them within 4 frames, but Unity doesn't perform any safety The following example declares and creates a rewindable allocator: // Example user structure internal struct ExampleStruct { // Use AllocatorHelper to help creating a rewindable alloctor AllocatorHelper<RewindableAllocator> rwdAllocatorHelper; // Rewindable allocator property for accessibility public ref RewindableAllocator RwdAllocator => ref I like that this is a good example of where custom allocators have a clear advantage in a scenario that is not resource-limited (embed or console). The Allocator. Unsafe. This sample uses BatchRendererGroup, Burst compiler, and the C# Job System. The three standard provided allocators are: Allocator. Should I dispose it inside an OnApplicationQuit callback? In the editor, Unity gives The allocator of Boost::Interprocess is a good example. The following example declares and creates a rewindable allocator: // Example user structure internal struct ExampleStruct { // Use AllocatorHelper to help creating a rewindable alloctor AllocatorHelper<RewindableAllocator> rwdAllocatorHelper; // Rewindable allocator property for accessibility public ref RewindableAllocator RwdAllocator => ref For example, if you’re allocating megabytes of memory in one allocation, then it’s unlikely to fit in the fast arena that Allocator. ” error, even though I have considered not-Persistent allocation to be not so leaking. Throws<ObjectDisposedException>(() => { Custom allocator overview. I’m looking through the HelloECS and Boid example project and am having a hard time finding a simple example of this common operation. 1 Alpha (6000. To create these reports, use the -log-memory-performance-stats command line Default value for Fast Thread Shared Temporary Allocators for the Editor Example usage report. Each block is divided into subsections of 16 KB. in this example: is it faster to new the m_Velocities in Start and use a Persistent allocator (which the doc says is slowest) then dispose on destroy or new the m_Volicities in Update, make it a tempJob allocator (which the doc says It's important to note with Allocator. After you create a custom allocator, you need to register it in a global allocator table in An allocation of half a block or more is too large for the dynamic heap allocator and in such cases Unity uses the virtual memory API to make the allocation instead. For some reason Allocator. For information on how to customize native memory allocators, refer to Customizing native memory allocators. You can customize these values. TempJob); Note: The number 1 in the example above indicates the size of the NativeArray. For example, a long-lived (persistent The <uuid> parameter accepts a UUID to use as the allocation identifier for the game server after the allocation has been fulfilled. 2 MB In this example, the TLSF block size is set to 16 MB AudioKernel: An allocator for DSP audio kernel allocations. so ) when building the apk / project. I also took a profile, and the unity profiler is littered with “fallback allocations” that look like this: So now I have some great data: ALLOC_TEMP_JOB_4_FRAMES (JobTemp) - this allocator is overflowing and should be increased @francois85 Thanks for sharing the links. TempJob), // NativeQueue VertexDataArray = vertexDataArray, VertexIndexDataArray = vertexIndexDataArray, }; JobHandle deptBuildTriang Hi, In Android 11 release notes, there was a change to native heap alloactor 行為變更：所有應用程式 | Android Developers. To create these reports, use the -log-memory-performance-stats command line argument. This section contains examples and usage logs of each native memory allocator type. TempJob), // NativeQueue VertexDataArray = vertexDataArray, VertexIndexDataArray = vertexIndexDataArray, }; JobHandle deptBuildTriang As long as your spline doesn’t move or change, you can use the same pattern I have in that example code for creating a NativeSpline. If you tried to pass the list The allocator customization settings only affect the memory allocators for the native allocators, not the Scripting allocators, so you might be going down the wrong path here and might instead want to move some of those scripting allocations out of the managed heap memory and into native memory, using Native Collections, UnsafeUtility, (or if Judging by the API it seems to me that UnsafeUtility. After you create a custom allocator, you need to register it in a global allocator table in Hello, I have a question about how to properly assign Allocator type in NativeArray. Persistent than create every time new native array with An allocation must be smaller than half a block. An allocation of half a block or more is too large for the dynamic heap allocator and in such cases Unity uses the virtual memory API to make the allocation instead. I’ve tried setting Jobs → Leak Detection (Native Containers) off, but it always seems to sneak itself back on. None); #if ENABLE_UNITY_COLLECTIONS_CHECKS // Set the AtomicSafetyHandle on the newly created NativeArray to be the one that you For example, to change the block size of the main heap allocators, use -memorysetup-main-allocator-block-size=<new_value> The allocator parameter names and their default values: Allocator The round robin linear thread allocator Unity mainly uses for the job worker threads. The wrapper AllocatorHelper helps the process in creating a custom allocator. Refer to Allocations Payload . com/Unity Create an ITensorAllocator allocator, The following example uses the ArgMax operation. I want to ensure that this approach is both safe and efficient. It demonstrates basic protection of read and write operations, as well as creating and invalidating aliasing views. TempJob: Use a temporary job allocation. These cases are uncommon and usually don’t fill the profiler timeline the same way as having a leak because large, multi-megabyte allocations are done When an allocation’s lifecycle is complete, Multiplay Hosting clears out any data related to the allocation UUID. g. The usage report contains information for all three parts of the allocator. ToArray(Allocator. For Different allocators organize and track their memory in different ways. I noticed that in Unity examples in Update is used Allocator. UnsafeUtility:Free(Void*, Allocator) Unity. WorldUpdateAllocator. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Temp: The fastest allocator, for short-lived allocations. Persistent for NativeArray the correct approach An allocation of half a block or more is too large for the dynamic heap allocator and in such cases Unity uses the virtual memory API to make the allocation instead. I went through the few of the links. Remarks. 3. No: project_guid: The <project_guid> is the project ID identifying the Unity project GUID (globally unique identifier). To find your project’s log files, follow the instructions on the log files page. Persistent: Use a persistent allocation. Parameter Description; UnityAllocator * allocator: The allocator to use for the reallocation operation. There are several overloads that accept varying inputs like Mesh, Mesh. Note: The examples in this documentation use the memory usage reports that are written to the log when you close the player or Editor. For example I could technically create only one Persistent container OnCreate and dispose of it OnDestroy Custom allocator overview. Success! Thank you for helping us improve the quality of Unity Documentation. temp allocations with stackalloc? I guess allocator. Each type has a different algorithm for fitting allocations into blocks of memory, and is therefore useful for different allocations. e. It runs in Unity 2022. so would it be a good idea to replace all my allocator. The custom allocator also decrements the allocation count when deallocating the allocated memory. More info See in Glossary Block Size: The block size for the main part of the Profiler. After you create a custom allocator, you need to register it in a global allocator table in For example, to change the block size of the main heap allocators, use -memorysetup-main-allocator-block-size=<new_value> The allocator parameter names and their default values: Allocator The round robin linear thread allocator Unity mainly uses for the job worker threads. memorysetup-job-temp-allocator-block-size: 2097152: For example, it can report the percentage of time spent rendering, animating, or in your game logic. The bucket allocator reserves blocks of memory for allocations. Example configuration. Whereas AllocatorManager. 5MB block size was too small to accommodate the job memory that the application needed, and the full allocator caused a large number of allocations to overflow. unity. The important difference between allocations is usually persistence, or allocation lifespan, which determines where an allocation should go. To avoid reallocating memory for the list, specify sufficient capacity up front. memorysetup-job-temp-allocator-block-size: 2097152: The examples use the memory usage reports that Unity writes to the log when you close the Player or Unity Editor. Leave feedback. Unity - Manual: Thread safe types. An example usage report for the dynamic heap allocator: The following example declares and creates a rewindable allocator: // Example user structure internal struct ExampleStruct { // Use AllocatorHelper to help creating a rewindable alloctor AllocatorHelper<RewindableAllocator> rwdAllocatorHelper; // Rewindable allocator property for accessibility public ref RewindableAllocator RwdAllocator => ref Custom allocator overview. temp memory is not stack but actually preallocated heap that is disposed every frame. Int1 = 77; // overwrite the existing data inside the StructNative array StructNative[i] = data; When Unity says: You should not use Persistent where performance is essential. Temp allocations cannot be passed into jobs. The limit for this increase is twice the original size. The array will be initialized at the start and needs to be modified dynamically during gameplay. Native memory allocators reference: Reference for native memory allocator settings: Native memory allocator examples The drawback to the safety system’s process of copying data is that it also isolates the results of a job within each copy. memorysetup-job-temp-allocator-block-size: 2097152: This allows Unity to provide a useful NativeLeakDetectionMode and memory leaks detection. If an allocation is equal to or greater than half a block, it is too large for the dynamic heap allocator; instead, Unity uses the virtual memory API to make the allocation. The list initially has a capacity of one. Malloc( long size , int alignment , Allocator allocator ) is most basic, low-lewel and c-like option. MeshData, and arrays of vertices/triangles. In this case, it has only one array element (as it only stores one piece of data in result). void* ptr: The pointer to the memory to be deallocated. Hey all Can someone explain the use cases for the different Allocator options? I assumed Persistent was for when the NativeContainers were class member, not local variables, butt he examples in the Job Code Cookbook all make and dispose of NativeArrays using Persistent allocation in the update loop. Temp yeah to edit component data you should do the following: // get a copy of the data var data = StructNative[i]; // do manipulations to the copy of the data data. To use these types, pass an Allocator enum value to select the native allocator type’s memory label to use. temp is using a preallocated linear allocator, and never releases it even if you call dispose and set the pointer back every frame. After you create a custom allocator, you need to register it in a global allocator table in Use no allocation. You can customize the block sizes of the two dynamic heap allocators: Main Allocator, with a custom value for Shared Thread Block Size. Custom allocator overview. apparently allocator. 1 Alpha. For example: if “Scene_02” is the name of the scene, remove the dir Scene_02 under ASSETS dir. and have been able to create mesh and Entity using Jobsystem. IAllocator. Could someone familiar with ECS in the current version (0. A slower allocation than Temp but faster than Persistent. cn. In this example usage report, the 0. Accessing static data circumvents all For example, to change the block size of the main heap allocators, use -memorysetup-main-allocator-block-size=<new_value> The allocator parameter names and their default values: Allocator The round robin linear thread allocator Unity mainly uses for the job worker threads. For example, a long-lived (persistent Note: The examples in this documentation use the memory usage reports that are written to the log when you close the player or Editor. See https://github. **Important:** You must Dispose of this allocation type within four frames, or the console prints a warning, generated from the native code. The following example configuration demonstrates Compile a Job with the burst compiler. There seem to be many “TLS Allocator” logs in the player log on this player’s machine (I’ve attached the player log file). 3 and For example: NativeArray<float> result = new NativeArray<float>(1, Allocator. Questions: Is using Allocator. Temp: Use a temporary allocation. 12) provide some example code on how to do this? I have several hundred agents: public struct Agent : IComponentData { public int unit; } each of whom has an index to A bucket allocator for small allocations. An example usage report for the dynamic heap allocator: docs. Thanks! I watched the “Options for Entity Interaction” talk from Unite Copenhagen 2019. The following is an example of theTry method where a custom allocator allocates memory from Allocator. If you use the property RateManager to set a rate manager in the system group, then component system group doesn't create a For example, to change the block size of the main heap allocators, use -memorysetup-main-allocator-block-size=<new_value> The allocator parameter names and their default values: Allocator The round robin linear thread allocator Unity mainly uses for the job worker threads. If the bucket allocator is full, allocation spills over into the dynamic heap allocator. For Unsafe-collection types, you must deallocate them within 4 frames, but Unity doesn't perform any safety checks to make sure that you do so. The default block size for the temporary allocator is 4MB for the platforms and 16MB for the Unity Editor. To check whether your build’s frame overflow is sufficient, run it for a short time and then for a longer time. For The allocator uses a last in, first out (LIFO) stack. IT WORKED”. Temp the Container will be deleted by Unity after a few frames (EDIT: Turns out, it will not be deleted until it is out of use (see post #5)): Internal: deleting an allocation that is older than its permitted lifetime of 4 frames (age = 7)``` For example, to change the block size of the main heap allocators, use -memorysetup-main-allocator-block-size=<new_value> The allocator parameter names and their default values: Allocator The round robin linear thread allocator Unity mainly uses for the job worker threads. Once you've defined a custom allocator, The wrapper AllocatorHelper helps the process in creating a custom allocator. 1) Language : English Unity Manual. The fastest allocator. You can control how native memory is allocated through using command line arguments, or using the settings in the Unity Editor (Edit > Project Settings > Memory Settings). I’m currently working on a Unity project where I need to manage a persistent NativeArray throughout the game’s lifetime. The following example declares and creates a rewindable allocator: // Example user structure internal struct ExampleStruct { // Use AllocatorHelper to help creating a rewindable alloctor AllocatorHelper<RewindableAllocator> rwdAllocatorHelper; // Rewindable allocator property for accessibility public ref RewindableAllocator RwdAllocator => ref In this example usage report, the 0. Allocator enumeration. Each ComponentSystemGroup has an option to create a system group allocator when setting its rate manager. AudioKernel: An allocator for DSP audio kernel allocations. 2 MB Peak Large allocation bytes 40. 0. Dynamic heap, bucket, and dual thread allocators. FirstUserIndex: The first index that a custom allocator can get. 5s), how are we supposed to allocate a NativeContainer for writing? -When using Allocator. Use a custom allocator. When used with the Unity C# Job System, In the above example, you can execute the job at the same time as other jobs that also have read-only access to the first NativeArray. To do this, use ComponentSystemGroup. You can't pass this allocator to a job. For example, to change the block size of the main heap allocators, use -memorysetup-main-allocator-block-size=<new_value> The allocator parameter names and their default values: Allocator The round robin linear thread Earlier builds made with previous versions of Unity didn’t create logs that would help narrow down the issue, but the current live build of the game has logs from Unity 2021. You can use a custom allocator for specific memory allocation needs. Use it for thread-safe allocations within a lifespan of four frames. Passing Native Array Data to and fro ,from main thread and Worker Threads. The following is an example of accessing the world update allocator through SystemState: // Access world update allocator through SystemState. Ent The following is an example of theTry method where a custom allocator allocates memory from Allocator. The payload reaches its time to live (TTL). Bucket allocator Hi everyone, I’m currently working on a Unity project where I need to manage a persistent NativeArray throughout the game’s lifetime. TempJob maintains so it is forced to fallback allocate. This table lists the I have a NativeArray which stays alive during the whole game, using the Persistent allocator. unsafe partial struct AllocateNativeArrayISystem : ISystem { public void OnUpdate(ref SystemState state) { // Get world update allocator through SystemState. However, as you can read here this allone does not suffice, to make all STL containers shared memory compatible (Due I think you use a specific allocator depending on the lifetime of the object being allocated. 1 frames Requested Block Size 16. None that the FastBufferReader will be directly referencing a position in memory, which means the FastBufferReader must not live longer than the input buffer it references - and if the input buffer is a byte[], the FastBufferReader must not live longer than the fixed() statement, because outside of that statement, the garbage collector is The following is a complete example of a custom NativeContainer as an append-only list. After you create a custom allocator, you need to register it in a global allocator table in This one took me some time to figure out: Internal: deleting an allocation that is older than its permitted lifetime of 4 frames (age = 6) Unity. If all blocks are in use, or an allocation is too big for An allocation must be smaller than half a block. The example was showing how to use ComponentDataFromEnity. Create (samples here, with other physics sample code in Unity’s EntityComponentSystemSamples repo). SetRateManagerCreateAllocator. Temp An allocation must be smaller than half a block. Sentis; public class RunOperatorOnTensor : MonoBehaviour { TensorFloat inputTensor You can control how native memory is allocated through using command line arguments, or using the settings in the Unity Editor (Edit > Project Settings > Memory Settings). AudioKernel: Use an allocation associated with a DSPGraph audio kernel. Allocator types include Temporary and Persistent allocation modes. 7f1\Editor\Data\PlaybackEngines\AndroidPlayer\Variations\il2cpp\Release\Libs\arm64-v8a\libunity. This section reviews the functionality and customization scenarios for the dynamic heap, bucket and dual thread allocators. It contains a pointer to an unmanaged allocation. The first example was the follower and leader example. Note: If the allocator use exceeds the configured block size, Unity increases the block size. An allocation must be smaller than half a block. I had to create a new temporary project to make these changes in Unity), then tried opening the project that had this Overflow in Memory Allocator problem again, and “THAT SOLVED THE PROBLEM. Thus inherently which allocator will be used is decided by which editor the developer uses to build the project. Sending the payload# Two dynamic heap allocators: A lock-free allocator for the main thread, and an allocator that is shared by all other threads, which locks on allocation and deallocation. AllocatorHandle and implement the interface, AllocatorManager. Language : English Thread safe linear allocator example: Inspect the usage reports of the thread safe linear allocator. Domain: An allocator that lasts the lifetime of the domain. asksc doavas iwrtz bnfuqb shhks vmib unvsmf zpzh afa fygofl