NVIDIACUDA Toolkit Documentation
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CUDA Toolkit v13.1.0
CUDA Runtime API
  • 1. Difference between the driver and runtime APIs
  • 2. API synchronization behavior
  • 3. Stream synchronization behavior
  • 4. Graph object thread safety
  • 5. Rules for version mixing
  • 6. Modules
    • 6.1. Device Management
    • 6.2. Device Management [DEPRECATED]
    • 6.3. Error Handling
    • 6.4. Stream Management
    • 6.5. Event Management
    • 6.6. External Resource Interoperability
    • 6.7. Execution Control
    • 6.8. Execution Control [DEPRECATED]
    • 6.9. Occupancy
    • 6.10. Memory Management
    • 6.11. Memory Management [DEPRECATED]
    • 6.12. Stream Ordered Memory Allocator
    • 6.13. Unified Addressing
    • 6.14. Peer Device Memory Access
    • 6.15. OpenGL Interoperability
    • 6.16. OpenGL Interoperability [DEPRECATED]
    • 6.17. Direct3D 9 Interoperability
    • 6.18. Direct3D 9 Interoperability [DEPRECATED]
    • 6.19. Direct3D 10 Interoperability
    • 6.20. Direct3D 10 Interoperability [DEPRECATED]
    • 6.21. Direct3D 11 Interoperability
    • 6.22. Direct3D 11 Interoperability [DEPRECATED]
    • 6.23. VDPAU Interoperability
    • 6.24. EGL Interoperability
    • 6.25. Graphics Interoperability
    • 6.26. Texture Object Management
    • 6.27. Surface Object Management
    • 6.28. Version Management
    • 6.29. Error Log Management Functions
    • 6.30. Graph Management
    • 6.31. Driver Entry Point Access
    • 6.32. Library Management
    • 6.33. Execution Context Management
    • 6.34. C++ API Routines
    • 6.35. Interactions with the CUDA Driver API
    • 6.36. Profiler Control
    • 6.37. Data types used by CUDA Runtime
  • 7. Data Structures
    • 7.1. __cudaOccupancyB2DHelper
    • 7.2. cudaAccessPolicyWindow
    • 7.3. cudaArrayMemoryRequirements
    • 7.4. cudaArraySparseProperties
    • 7.5. cudaAsyncNotificationInfo_t
    • 7.6. cudaChannelFormatDesc
    • 7.7. cudaChildGraphNodeParams
    • 7.8. cudaConditionalNodeParams
    • 7.9. cudaDeviceProp
    • 7.10. cudaDevResource
    • 7.11. cudaDevSmResource
    • 7.12. cudaDevSmResourceGroupParams
    • 7.13. cudaDevWorkqueueConfigResource
    • 7.14. cudaDevWorkqueueResource
    • 7.15. cudaEglFrame
    • 7.16. cudaEglPlaneDesc
    • 7.17. cudaEventRecordNodeParams
    • 7.18. cudaEventWaitNodeParams
    • 7.19. cudaExtent
    • 7.20. cudaExternalMemoryBufferDesc
    • 7.21. cudaExternalMemoryHandleDesc
    • 7.22. cudaExternalMemoryMipmappedArrayDesc
    • 7.23. cudaExternalSemaphoreHandleDesc
    • 7.24. cudaExternalSemaphoreSignalNodeParams
    • 7.25. cudaExternalSemaphoreSignalNodeParamsV2
    • 7.26. cudaExternalSemaphoreSignalParams
    • 7.27. cudaExternalSemaphoreWaitNodeParams
    • 7.28. cudaExternalSemaphoreWaitNodeParamsV2
    • 7.29. cudaExternalSemaphoreWaitParams
    • 7.30. cudaFuncAttributes
    • 7.31. cudaGraphEdgeData
    • 7.32. cudaGraphExecUpdateResultInfo
    • 7.33. cudaGraphInstantiateParams
    • 7.34. cudaGraphKernelNodeUpdate
    • 7.35. cudaGraphNodeParams
    • 7.36. cudaHostNodeParams
    • 7.37. cudaHostNodeParamsV2
    • 7.38. cudaIpcEventHandle_t
    • 7.39. cudaIpcMemHandle_t
    • 7.40. cudaKernelNodeParams
    • 7.41. cudaKernelNodeParamsV2
    • 7.42. cudaLaunchAttribute
    • 7.43. cudaLaunchAttributeValue
    • 7.44. cudaLaunchConfig_t
    • 7.45. cudaLaunchMemSyncDomainMap
    • 7.46. cudaMemAccessDesc
    • 7.47. cudaMemAllocNodeParams
    • 7.48. cudaMemAllocNodeParamsV2
    • 7.49. cudaMemcpy3DOperand
    • 7.50. cudaMemcpy3DParms
    • 7.51. cudaMemcpy3DPeerParms
    • 7.52. cudaMemcpyAttributes
    • 7.53. cudaMemcpyNodeParams
    • 7.54. cudaMemFreeNodeParams
    • 7.55. cudaMemLocation
    • 7.56. cudaMemPoolProps
    • 7.57. cudaMemPoolPtrExportData
    • 7.58. cudaMemsetParams
    • 7.59. cudaMemsetParamsV2
    • 7.60. cudaOffset3D
    • 7.61. cudaPitchedPtr
    • 7.62. cudaPointerAttributes
    • 7.63. cudaPos
    • 7.64. cudaResourceDesc
    • 7.65. cudaResourceViewDesc
    • 7.66. cudaTextureDesc
    • 7.67. CUuuid_st
  • 8. Data Fields
  • 9. Deprecated List

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    CUDA Runtime API (PDF) - v13.1.0 (older) - Last updated December 4, 2025 - Send Feedback

    7.14. cudaDevWorkqueueResource Struct Reference

    [Data types used by CUDA Runtime]

    Handle to a pre-existing workqueue related resource

    Public Variables

    unsigned char  reserved[RESOURCE_ABI_BYTES]

    Variables

    unsigned char cudaDevWorkqueueResource::reserved[RESOURCE_ABI_BYTES] [inherited]

    Reserved for future use

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