NVIDIACUDA Toolkit Documentation
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CUDA Toolkit v12.9.0
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. 
    • 6.2. Device Management [DEPRECATED]
    • 6.3. Thread Management [DEPRECATED]
    • 6.4. Error Handling
    • 6.5. Stream Management
    • 6.6. Event Management
    • 6.7. External Resource Interoperability
    • 6.8. Execution Control
    • 6.9. Execution Control [DEPRECATED]
    • 6.10. Occupancy
    • 6.11. Memory Management
    • 6.12. Memory Management [DEPRECATED]
    • 6.13. Stream Ordered Memory Allocator
    • 6.14. Unified Addressing
    • 6.15. Peer Device Memory Access
    • 6.16. OpenGL Interoperability
    • 6.17. OpenGL Interoperability [DEPRECATED]
    • 6.18. Direct3D 9 Interoperability
    • 6.19. Direct3D 9 Interoperability [DEPRECATED]
    • 6.20. Direct3D 10 Interoperability
    • 6.21. Direct3D 10 Interoperability [DEPRECATED]
    • 6.22. Direct3D 11 Interoperability
    • 6.23. Direct3D 11 Interoperability [DEPRECATED]
    • 6.24. VDPAU Interoperability
    • 6.25. EGL Interoperability
    • 6.26. Graphics Interoperability
    • 6.27. Texture Object Management
    • 6.28. Surface Object Management
    • 6.29. Version Management
    • 6.30. Graph Management
    • 6.31. Driver Entry Point Access
    • 6.32. Library Management
    • 6.33. C++ API Routines
    • 6.34. Interactions with the CUDA Driver API
    • 6.35. Profiler Control
    • 6.36. 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. cudaEglFrame
    • 7.11. cudaEglPlaneDesc
    • 7.12. cudaEventRecordNodeParams
    • 7.13. cudaEventWaitNodeParams
    • 7.14. cudaExtent
    • 7.15. cudaExternalMemoryBufferDesc
    • 7.16. cudaExternalMemoryHandleDesc
    • 7.17. cudaExternalMemoryMipmappedArrayDesc
    • 7.18. cudaExternalSemaphoreHandleDesc
    • 7.19. cudaExternalSemaphoreSignalNodeParams
    • 7.20. cudaExternalSemaphoreSignalNodeParamsV2
    • 7.21. cudaExternalSemaphoreSignalParams
    • 7.22. cudaExternalSemaphoreSignalParams_v1
    • 7.23. cudaExternalSemaphoreWaitNodeParams
    • 7.24. cudaExternalSemaphoreWaitNodeParamsV2
    • 7.25. cudaExternalSemaphoreWaitParams
    • 7.26. cudaExternalSemaphoreWaitParams_v1
    • 7.27. cudaFuncAttributes
    • 7.28. cudaGraphEdgeData
    • 7.29. cudaGraphExecUpdateResultInfo
    • 7.30. cudaGraphInstantiateParams
    • 7.31. cudaGraphKernelNodeUpdate
    • 7.32. cudaGraphNodeParams
    • 7.33. cudaHostNodeParams
    • 7.34. cudaHostNodeParamsV2
    • 7.35. cudaIpcEventHandle_t
    • 7.36. cudaIpcMemHandle_t
    • 7.37. cudaKernelNodeParams
    • 7.38. cudaKernelNodeParamsV2
    • 7.39. cudaLaunchAttribute
    • 7.40. cudaLaunchAttributeValue
    • 7.41. cudaLaunchConfig_t
    • 7.42. cudaLaunchMemSyncDomainMap
    • 7.43. cudaLaunchParams
    • 7.44. cudaMemAccessDesc
    • 7.45. cudaMemAllocNodeParams
    • 7.46. cudaMemAllocNodeParamsV2
    • 7.47. cudaMemcpy3DOperand
    • 7.48. cudaMemcpy3DParms
    • 7.49. cudaMemcpy3DPeerParms
    • 7.50. cudaMemcpyAttributes
    • 7.51. cudaMemcpyNodeParams
    • 7.52. cudaMemFreeNodeParams
    • 7.53. cudaMemLocation
    • 7.54. cudaMemPoolProps
    • 7.55. cudaMemPoolPtrExportData
    • 7.56. cudaMemsetParams
    • 7.57. cudaMemsetParamsV2
    • 7.58. cudaOffset3D
    • 7.59. cudaPitchedPtr
    • 7.60. cudaPointerAttributes
    • 7.61. cudaPos
    • 7.62. cudaResourceDesc
    • 7.63. cudaResourceViewDesc
    • 7.64. cudaTextureDesc
    • 7.65. CUuuid_st
  • 8. Data Fields
  • 9. Deprecated List

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    CUDA Runtime API (PDF) - v12.9.0 (older) - Last updated April 30, 2025 - Send Feedback

    7.35. cudaIpcEventHandle_t Struct Reference

    [Data types used by CUDA Runtime]

    CUDA IPC event handle

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