[Résolu] OpenCL sous Ubuntu avec Intel(R) HD Graphics. est-ce possible?

Code :

clinfo

Number of platforms                               1

  Platform Name                                   Intel Gen OCL Driver

  Platform Vendor                                 Intel

  Platform Version                                OpenCL 1.2 beignet 1.1.1

  Platform Profile                                FULL_PROFILE

  Platform Extensions                             cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_byte_addressable_store cl_khr_spir cl_khr_icd

  Platform Extensions function suffix             Intel



  Platform Name                                   Intel Gen OCL Driver

Number of devices                                 1

  Device Name                                     Intel(R) HD Graphics Skylake ULT GT1

  Device Vendor                                   Intel

  Device Vendor ID                                0x8086

  Device Version                                  OpenCL 1.2 beignet 1.1.1

  Driver Version                                  1.1.1

  Device OpenCL C Version                         OpenCL C 1.2 beignet 1.1.1

  Device Type                                     GPU

  Device Profile                                  FULL_PROFILE

  Max compute units                               12

  Max clock frequency                             1000MHz

  Device Partition                                (core)

    Max number of sub-devices                     1

    Supported partition types                     None, None, None

  Max work item dimensions                        3

  Max work item sizes                             512x512x512

  Max work group size                             512

  Preferred work group size multiple              16

  Preferred / native vector sizes                 

    char                                                16 / 8       

    short                                                8 / 8       

    int                                                  4 / 4       

    long                                                 2 / 2       

    half                                                 0 / 8        (cl_khr_fp16)

    float                                                4 / 4       

    double                                               0 / 2        (n/a)

  Half-precision Floating-point support           (cl_khr_fp16)

    Denormals                                     No

    Infinity and NANs                             Yes

    Round to nearest                              Yes

    Round to zero                                 No

    Round to infinity                             No

    IEEE754-2008 fused multiply-add               No

    Support is emulated in software               No

    Correctly-rounded divide and sqrt operations  No

  Single-precision Floating-point support         (core)

    Denormals                                     No

    Infinity and NANs                             Yes

    Round to nearest                              Yes

    Round to zero                                 No

    Round to infinity                             No

    IEEE754-2008 fused multiply-add               No

    Support is emulated in software               No

    Correctly-rounded divide and sqrt operations  No

  Double-precision Floating-point support         (n/a)

  Address bits                                    32, Little-Endian

  Global memory size                              2147483648 (2GiB)

  Error Correction support                        No

  Max memory allocation                           1073741824 (1024MiB)

  Unified memory for Host and Device              Yes

  Minimum alignment for any data type             128 bytes

  Alignment of base address                       1024 bits (128 bytes)

  Global Memory cache type                        Read/Write

  Global Memory cache size                        8192

  Global Memory cache line                        64 bytes

  Image support                                   Yes

    Max number of samplers per kernel             16

    Max size for 1D images from buffer            65536 pixels

    Max 1D or 2D image array size                 2048 images

    Max 2D image size                             8192x8192 pixels

    Max 3D image size                             8192x8192x2048 pixels

    Max number of read image args                 128

    Max number of write image args                8

  Local memory type                               Global

  Local memory size                               65536 (64KiB)

  Max constant buffer size                        134217728 (128MiB)

  Max number of constant args                     8

  Max size of kernel argument                     1024

  Queue properties                                

    Out-of-order execution                        No

    Profiling                                     Yes

  Prefer user sync for interop                    Yes

  Profiling timer resolution                      80ns

  Execution capabilities                          

    Run OpenCL kernels                            Yes

    Run native kernels                            Yes

    SPIR versions                                 <printDeviceInfo:138: get   SPIR versions size : error -30>

  printf() buffer size                            1048576 (1024KiB)

  Built-in kernels                                __cl_copy_region_align4;__cl_copy_region_align16;__cl_cpy_region_unalign_same_offset;__cl_copy_region_unalign_dst_offset;__cl_copy_region_unalign_src_offset;__cl_copy_buffer_rect;__cl_copy_image_1d_to_1d;__cl_copy_image_2d_to_2d;__cl_copy_image_3d_to_2d;__cl_copy_image_2d_to_3d;__cl_copy_image_3d_to_3d;__cl_copy_image_2d_to_buffer;__cl_copy_image_3d_to_buffer;__cl_copy_buffer_to_image_2d;__cl_copy_buffer_to_image_3d;__cl_fill_region_unalign;__cl_fill_region_align2;__cl_fill_region_align4;__cl_fill_region_align8_2;__cl_fill_region_align8_4;__cl_fill_region_align8_8;__cl_fill_region_align8_16;__cl_fill_region_align128;__cl_fill_image_1d;__cl_fill_image_1d_array;__cl_fill_image_2d;__cl_fill_image_2d_array;__cl_fill_image_3d;

  Device Available                                Yes

  Compiler Available                              Yes

  Linker Available                                Yes

  Device Extensions                               cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_byte_addressable_store cl_khr_fp16 cl_khr_spir cl_khr_icd



NULL platform behavior

  clGetPlatformInfo(NULL, CL_PLATFORM_NAME, ...)  Intel Gen OCL Driver

  clGetDeviceIDs(NULL, CL_DEVICE_TYPE_ALL, ...)   Success [Intel]

  clCreateContext(NULL, ...) [default]            Success [Intel]

  clCreateContextFromType(NULL, CL_DEVICE_TYPE_CPU)  No devices found in platform

  clCreateContextFromType(NULL, CL_DEVICE_TYPE_GPU)  Success (1)

    Platform Name                                 Intel Gen OCL Driver

    Device Name                                   Intel(R) HD Graphics Skylake ULT GT1

  clCreateContextFromType(NULL, CL_DEVICE_TYPE_ACCELERATOR)  No devices found in platform

  clCreateContextFromType(NULL, CL_DEVICE_TYPE_CUSTOM)  No devices found in platform

  clCreateContextFromType(NULL, CL_DEVICE_TYPE_ALL)  Success (1)

    Platform Name                                 Intel Gen OCL Driver

    Device Name                                   Intel(R) HD Graphics Skylake ULT GT1



ICD loader properties

  ICD loader Name                                 OpenCL ICD Loader

  ICD loader Vendor                               OCL Icd free software

  ICD loader Version                              2.2.8

  ICD loader Profile                              OpenCL 1.2

    NOTE:    your OpenCL library declares to support OpenCL 1.2,

        but it seems to support up to OpenCL 2.1 too.

Code :

./print-devices

platform 0: vendor 'Intel'

  device 0: 'Intel(R) HD Graphics Skylake ULT GT1'

ngux:~/Downloads/tools-master/ $ ./cl-demo 1000 10

Choose platform:

[0] Intel

Enter choice: 0

Choose device:

[0] Intel(R) HD Graphics Skylake ULT GT1

Enter choice: 0

---------------------------------------------------------------------

NAME: Intel(R) HD Graphics Skylake ULT GT1

VENDOR: Intel

PROFILE: FULL_PROFILE

VERSION: OpenCL 1.2 beignet 1.1.1

EXTENSIONS: cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_byte_addressable_store cl_khr_fp16 cl_khr_spir cl_khr_icd

DRIVER_VERSION: 1.1.1



Type: GPU 

EXECUTION_CAPABILITIES: Kernel Native 

GLOBAL_MEM_CACHE_TYPE: Read-Write (2)

CL_DEVICE_LOCAL_MEM_TYPE: Global (2)

SINGLE_FP_CONFIG: 0x6

QUEUE_PROPERTIES: 0x2



VENDOR_ID: 32902

MAX_COMPUTE_UNITS: 12

MAX_WORK_ITEM_DIMENSIONS: 3

MAX_WORK_GROUP_SIZE: 512

PREFERRED_VECTOR_WIDTH_CHAR: 16

PREFERRED_VECTOR_WIDTH_SHORT: 8

PREFERRED_VECTOR_WIDTH_INT: 4

PREFERRED_VECTOR_WIDTH_LONG: 2

PREFERRED_VECTOR_WIDTH_FLOAT: 4

PREFERRED_VECTOR_WIDTH_DOUBLE: 0

MAX_CLOCK_FREQUENCY: 1000

ADDRESS_BITS: 32

MAX_MEM_ALLOC_SIZE: 1073741824

IMAGE_SUPPORT: 1

MAX_READ_IMAGE_ARGS: 128

MAX_WRITE_IMAGE_ARGS: 8

IMAGE2D_MAX_WIDTH: 8192

IMAGE2D_MAX_HEIGHT: 8192

IMAGE3D_MAX_WIDTH: 8192

IMAGE3D_MAX_HEIGHT: 8192

IMAGE3D_MAX_DEPTH: 2048

MAX_SAMPLERS: 16

MAX_PARAMETER_SIZE: 1024

MEM_BASE_ADDR_ALIGN: 1024

MIN_DATA_TYPE_ALIGN_SIZE: 128

GLOBAL_MEM_CACHELINE_SIZE: 64

GLOBAL_MEM_CACHE_SIZE: 8192

GLOBAL_MEM_SIZE: 2147483648

MAX_CONSTANT_BUFFER_SIZE: 134217728

MAX_CONSTANT_ARGS: 8

LOCAL_MEM_SIZE: 65536

ERROR_CORRECTION_SUPPORT: 0

PROFILING_TIMER_RESOLUTION: 80

ENDIAN_LITTLE: 1

AVAILABLE: 1

COMPILER_AVAILABLE: 1

MAX_WORK_GROUP_SIZES: 512 512 512 

---------------------------------------------------------------------

*** Kernel compilation resulted in non-empty log message.

*** Set environment variable CL_HELPER_PRINT_COMPILER_OUTPUT=1 to see more.

*** NOTE: this may include compiler warnings and other important messages

***   about your code.

*** Set CL_HELPER_NO_COMPILER_OUTPUT_NAG=1 to disable this message.

0.000188 s

0.063956 GB/s

GOOD