NVIDIACUDA Toolkit Documentation
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CUDA Toolkit v11.6.1
CUDA Driver 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. Data types used by CUDA driver
    • 6.2. Error Handling
    • 6.3. Initialization
    • 6.4. Version Management
    • 6.5. Device Management
    • 6.6. Device Management [DEPRECATED]
    • 6.7. Primary Context Management
    • 6.8. Context Management
    • 6.9. Context Management [DEPRECATED]
    • 6.10. Module Management
    • 6.11. Memory Management
    • 6.12. Virtual Memory Management
    • 6.13. Stream Ordered Memory Allocator
    • 6.14. Unified Addressing
    • 6.15. Stream Management
    • 6.16. Event Management
    • 6.17. External Resource Interoperability
    • 6.18. Stream memory operations
    • 6.19. Execution Control
    • 6.20. Execution Control [DEPRECATED]
    • 6.21. Graph Management
    • 6.22. Occupancy
    • 6.23. Texture Reference Management [DEPRECATED]
    • 6.24. Surface Reference Management [DEPRECATED]
    • 6.25. Texture Object Management
    • 6.26. Surface Object Management
    • 6.27. Peer Context Memory Access
    • 6.28. Graphics Interoperability
    • 6.29. Driver Entry Point Access
    • 6.30. Profiler Control [DEPRECATED]
    • 6.31. Profiler Control
    • 6.32. OpenGL Interoperability
      • 6.32.1. OpenGL Interoperability [DEPRECATED]
    • 6.33. VDPAU Interoperability
    • 6.34. EGL Interoperability
  • 7. Data Structures
    • 7.1. CUaccessPolicyWindow_v1
    • 7.2. CUarrayMapInfo_v1
    • 7.3. CUDA_ARRAY3D_DESCRIPTOR_v2
    • 7.4. CUDA_ARRAY_DESCRIPTOR_v2
    • 7.5. CUDA_ARRAY_MEMORY_REQUIREMENTS_v1
    • 7.6. CUDA_ARRAY_SPARSE_PROPERTIES_v1
    • 7.7. CUDA_EXT_SEM_SIGNAL_NODE_PARAMS_v1
    • 7.8. CUDA_EXT_SEM_WAIT_NODE_PARAMS_v1
    • 7.9. CUDA_EXTERNAL_MEMORY_BUFFER_DESC_v1
    • 7.10. CUDA_EXTERNAL_MEMORY_HANDLE_DESC_v1
    • 7.11. CUDA_EXTERNAL_MEMORY_MIPMAPPED_ARRAY_DESC_v1
    • 7.12. CUDA_EXTERNAL_SEMAPHORE_HANDLE_DESC_v1
    • 7.13. CUDA_EXTERNAL_SEMAPHORE_SIGNAL_PARAMS_v1
    • 7.14. CUDA_EXTERNAL_SEMAPHORE_WAIT_PARAMS_v1
    • 7.15. CUDA_HOST_NODE_PARAMS_v1
    • 7.16. CUDA_KERNEL_NODE_PARAMS_v1
    • 7.17. CUDA_LAUNCH_PARAMS_v1
    • 7.18. CUDA_MEM_ALLOC_NODE_PARAMS
    • 7.19. CUDA_MEMCPY2D_v2
    • 7.20. CUDA_MEMCPY3D_PEER_v1
    • 7.21. CUDA_MEMCPY3D_v2
    • 7.22. CUDA_MEMSET_NODE_PARAMS_v1
    • 7.23. CUDA_POINTER_ATTRIBUTE_P2P_TOKENS_v1
    • 7.24. CUDA_RESOURCE_DESC_v1
    • 7.25. CUDA_RESOURCE_VIEW_DESC_v1
    • 7.26. CUDA_TEXTURE_DESC_v1
    • 7.27. CUdevprop_v1
    • 7.28. CUeglFrame_v1
    • 7.29. CUexecAffinityParam_v1
    • 7.30. CUexecAffinitySmCount_v1
    • 7.31. CUipcEventHandle_v1
    • 7.32. CUipcMemHandle_v1
    • 7.33. CUkernelNodeAttrValue_v1
    • 7.34. CUmemAccessDesc_v1
    • 7.35. CUmemAllocationProp_v1
    • 7.36. CUmemLocation_v1
    • 7.37. CUmemPoolProps_v1
    • 7.38. CUmemPoolPtrExportData_v1
    • 7.39. CUstreamAttrValue_v1
    • 7.40. CUstreamBatchMemOpParams_v1
  • 8. Data Fields
  • 9. Deprecated List

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    CUDA Driver API (PDF) - v11.6.1 (older) - Last updated February 22, 2022 - Send Feedback

    7.34. CUmemAccessDesc_v1 Struct Reference

    [Data types used by CUDA driver]

    Memory access descriptor

    Public Variables

    CUmemAccess_flags flags
    struct CUmemLocation location

    Variables

    CUmemAccess_flagsCUmemAccessDesc_v1::flags [inherited]

    CUmemProt accessibility flags to set on the request

    struct CUmemLocationCUmemAccessDesc_v1::location [inherited]

    Location on which the request is to change it's accessibility

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