NVIDIACUDA Toolkit Documentation
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CUDA Toolkit v12.2.2
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. Thread 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. Occupancy
    • 6.9. Memory Management
    • 6.10. Memory Management [DEPRECATED]
    • 6.11. Stream Ordered Memory Allocator
    • 6.12. Unified Addressing
    • 6.13. Peer Device Memory Access
    • 6.14. OpenGL Interoperability
    • 6.15. OpenGL Interoperability [DEPRECATED]
    • 6.16. Direct3D 9 Interoperability
    • 6.17. Direct3D 9 Interoperability [DEPRECATED]
    • 6.18. Direct3D 10 Interoperability
    • 6.19. Direct3D 10 Interoperability [DEPRECATED]
    • 6.20. Direct3D 11 Interoperability
    • 6.21. Direct3D 11 Interoperability [DEPRECATED]
    • 6.22. VDPAU Interoperability
    • 6.23. EGL Interoperability
    • 6.24. Graphics Interoperability
    • 6.25. Texture Object Management
    • 6.26. Surface Object Management
    • 6.27. Version Management
    • 6.28. Graph Management
    • 6.29. Driver Entry Point Access
    • 6.30. C++ API Routines
    • 6.31. Interactions with the CUDA Driver API
    • 6.32. Profiler Control
    • 6.33. Data types used by CUDA Runtime
  • 7. Data Structures
    • 7.1. __cudaOccupancyB2DHelper
    • 7.2. cudaAccessPolicyWindow
    • 7.3. cudaArrayMemoryRequirements
    • 7.4. cudaArraySparseProperties
    • 7.5. cudaChannelFormatDesc
    • 7.6. cudaChildGraphNodeParams
    • 7.7. cudaDeviceProp
    • 7.8. cudaEglFrame
    • 7.9. cudaEglPlaneDesc
    • 7.10. cudaEventRecordNodeParams
    • 7.11. cudaEventWaitNodeParams
    • 7.12. cudaExtent
    • 7.13. cudaExternalMemoryBufferDesc
    • 7.14. cudaExternalMemoryHandleDesc
    • 7.15. cudaExternalMemoryMipmappedArrayDesc
    • 7.16. cudaExternalSemaphoreHandleDesc
    • 7.17. cudaExternalSemaphoreSignalNodeParams
    • 7.18. cudaExternalSemaphoreSignalNodeParamsV2
    • 7.19. cudaExternalSemaphoreSignalParams
    • 7.20. cudaExternalSemaphoreSignalParams_v1
    • 7.21. cudaExternalSemaphoreWaitNodeParams
    • 7.22. cudaExternalSemaphoreWaitNodeParamsV2
    • 7.23. cudaExternalSemaphoreWaitParams
    • 7.24. cudaExternalSemaphoreWaitParams_v1
    • 7.25. cudaFuncAttributes
    • 7.26. cudaGraphExecUpdateResultInfo
    • 7.27. cudaGraphInstantiateParams
    • 7.28. cudaHostNodeParams
    • 7.29. cudaHostNodeParamsV2
    • 7.30. cudaIpcEventHandle_t
    • 7.31. cudaIpcMemHandle_t
    • 7.32. cudaKernelNodeParams
    • 7.33. cudaKernelNodeParamsV2
    • 7.34. cudaLaunchAttribute
    • 7.35. cudaLaunchAttributeValue
    • 7.36. cudaLaunchConfig_t
    • 7.37. cudaLaunchParams
    • 7.38. cudaMemAccessDesc
    • 7.39. cudaMemAllocNodeParams
    • 7.40. cudaMemAllocNodeParamsV2
    • 7.41. cudaMemcpy3DParms
    • 7.42. cudaMemcpy3DPeerParms
    • 7.43. cudaMemcpyNodeParams
    • 7.44. cudaMemFreeNodeParams
    • 7.45. cudaMemLocation
    • 7.46. cudaMemPoolProps
    • 7.47. cudaMemPoolPtrExportData
    • 7.48. cudaMemsetParams
    • 7.49. cudaMemsetParamsV2
    • 7.50. cudaPitchedPtr
    • 7.51. cudaPointerAttributes
    • 7.52. cudaPos
    • 7.53. cudaResourceDesc
    • 7.54. cudaResourceViewDesc
    • 7.55. cudaTextureDesc
    • 7.56. CUuuid_st
  • 8. Data Fields
  • 9. Deprecated List

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    CUDA Runtime API (PDF) - v12.2.2 (older) - Last updated August 29, 2023 - Send Feedback

    7.5. cudaChannelFormatDesc Struct Reference

    [Data types used by CUDA Runtime]

    CUDA Channel format descriptor

    Public Variables

    enumcudaChannelFormatKind f
    int  w
    int  x
    int  y
    int  z

    Variables

    enumcudaChannelFormatKindcudaChannelFormatDesc::f [inherited]

    Channel format kind

    int cudaChannelFormatDesc::w [inherited]

    w

    int cudaChannelFormatDesc::x [inherited]

    x

    int cudaChannelFormatDesc::y [inherited]

    y

    int cudaChannelFormatDesc::z [inherited]

    z

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