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Other Extension Metadata

Last Modified Date

2025-08-30

IP Status

No known IP claims.

Contributors

  • Brice Videau, Argonne National Laboratory

  • Kévin Petit, Arm Ltd.

  • Ewan Crawford, Codeplay Software Ltd.

  • Paul Fradgley, Imagination Technologies

  • Ben Ashbaugh, Intel

  • Pekka Jääskeläinen, Intel

  • Nikhil Joshi, NVIDIA

  • Balaji Calidas, Qualcomm Technologies Inc.

  • Isaac George, Qualcomm Technologies Inc.

  • Jose Lopez, Qualcomm Technologies Inc.

Description

This extension adds additional types of Shared Virtual Memory (SVM) to OpenCL.

The extension is still under development. To learn more about the APIs proposed for this extension, or to provide feedback, please visit:

New Commands

  • {clSVMAllocWithPropertiesKHR}

  • {clSVMFreeWithPropertiesKHR}

  • {clGetSVMPointerInfoKHR}

  • {clGetSVMSuggestedTypeIndexKHR}

New Types

  • {cl_svm_capabilities_khr_TYPE}

  • {cl_svm_alloc_properties_khr_TYPE}

  • {cl_svm_alloc_access_flags_khr_TYPE}

  • {cl_svm_free_properties_khr_TYPE}

  • {cl_svm_free_flags_khr_TYPE}

  • {cl_svm_pointer_info_khr_TYPE}

New Enums

  • {cl_platform_info_TYPE}

    • {CL_PLATFORM_SVM_TYPE_CAPABILITIES_KHR_ANCHOR}

  • {cl_device_info_TYPE}

    • {CL_DEVICE_SVM_TYPE_CAPABILITIES_KHR_ANCHOR}

    • {CL_DEVICE_SVM_CONCURRENT_ACCESS_ATOM_SIZE_KHR_ANCHOR}

  • {cl_svm_capabilities_khr_TYPE}

    • {CL_SVM_CAPABILITY_SINGLE_ADDRESS_SPACE_KHR_ANCHOR}

    • {CL_SVM_CAPABILITY_SYSTEM_ALLOCATED_KHR_ANCHOR}

    • {CL_SVM_CAPABILITY_DEVICE_OWNED_KHR_ANCHOR}

    • {CL_SVM_CAPABILITY_DEVICE_UNASSOCIATED_KHR_ANCHOR}

    • {CL_SVM_CAPABILITY_CONTEXT_ACCESS_KHR_ANCHOR}

    • {CL_SVM_CAPABILITY_HOST_OWNED_KHR_ANCHOR}

    • {CL_SVM_CAPABILITY_HOST_READ_KHR_ANCHOR}

    • {CL_SVM_CAPABILITY_HOST_WRITE_KHR_ANCHOR}

    • {CL_SVM_CAPABILITY_HOST_MAP_KHR_ANCHOR}

    • {CL_SVM_CAPABILITY_DEVICE_READ_KHR_ANCHOR}

    • {CL_SVM_CAPABILITY_DEVICE_WRITE_KHR_ANCHOR}

    • {CL_SVM_CAPABILITY_DEVICE_ATOMIC_ACCESS_KHR_ANCHOR}

    • {CL_SVM_CAPABILITY_CONCURRENT_ACCESS_KHR_ANCHOR}

    • {CL_SVM_CAPABILITY_CONCURRENT_ATOMIC_ACCESS_KHR_ANCHOR}

    • {CL_SVM_CAPABILITY_INDIRECT_ACCESS_KHR_ANCHOR}

  • {cl_svm_alloc_properties_khr_TYPE}

    • {CL_SVM_ALLOC_ASSOCIATED_DEVICE_HANDLE_KHR_ANCHOR}

    • {CL_SVM_ALLOC_ACCESS_FLAGS_KHR_ANCHOR}

    • {CL_SVM_ALLOC_ALIGNMENT_KHR_ANCHOR}

  • {cl_svm_alloc_access_flags_khr_TYPE}

    • {CL_SVM_ALLOC_ACCESS_HOST_NOREAD_KHR_ANCHOR}

    • {CL_SVM_ALLOC_ACCESS_HOST_NOWRITE_KHR_ANCHOR}

    • {CL_SVM_ALLOC_ACCESS_DEVICE_NOREAD_KHR_ANCHOR}

    • {CL_SVM_ALLOC_ACCESS_DEVICE_NOWRITE_KHR_ANCHOR}

  • {cl_svm_pointer_info_khr_TYPE}

    • {CL_SVM_INFO_TYPE_INDEX_KHR_ANCHOR}

    • {CL_SVM_INFO_CAPABILITIES_KHR_ANCHOR}

    • {CL_SVM_INFO_PROPERTIES_KHR_ANCHOR}

    • {CL_SVM_INFO_ACCESS_FLAGS_KHR_ANCHOR}

    • {CL_SVM_INFO_BASE_PTR_KHR_ANCHOR}

    • {CL_SVM_INFO_SIZE_KHR_ANCHOR}

    • {CL_SVM_INFO_ASSOCIATED_DEVICE_HANDLE_KHR_ANCHOR}

  • {cl_kernel_exec_info_TYPE}

    • {CL_KERNEL_EXEC_INFO_SVM_INDIRECT_ACCESS_KHR_ANCHOR}

SVM Type Convenience Macros

  • {CL_SVM_TYPE_MACRO_COARSE_GRAIN_BUFFER_KHR_ANCHOR}

  • {CL_SVM_TYPE_MACRO_FINE_GRAIN_BUFFER_KHR_ANCHOR}

  • {CL_SVM_TYPE_MACRO_DEVICE_KHR_ANCHOR}

  • {CL_SVM_TYPE_MACRO_HOST_KHR_ANCHOR}

  • {CL_SVM_TYPE_MACRO_SINGLE_DEVICE_SHARED_KHR_ANCHOR}

  • {CL_SVM_TYPE_MACRO_SYSTEM_KHR_ANCHOR}

Version History

  • Revision 0.9.0, 2025-08-30

    • Initial revision incorporated into the main specification (experimental).