OpenCL* Quick Start User Guide: Intel FPGA Programmable Acceleration Card D5005

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ID 683324
Date 7/21/2020
Public

5.1. Running Hello World

  1. Extract hello_world example:
    cd $OPAE_PLATFORM_ROOT/opencl
    
    mkdir exm_opencl_hello_world_x64_linux
    
    cd exm_opencl_hello_world_x64_linux
    
    tar xf ../exm_opencl_hello_world_x64_linux.tgz
    
  2. Build example:
    cd hello_world
    
    make
    
  3. Copy aocx to example bin folder:
    cp $OPAE_PLATFORM_ROOT/opencl/hello_world.aocx ./bin/
  4. Program the aocx file:
    aocl program acl0 ./bin/hello_world.aocx
    Note: This step is not necessary for non SR-IOV enabled system as OpenCL* by default performs partial reconfiguration to program the new kernel on FPGA. The aocx file in the release OpenCL* folder is unsigned. If you are using Intel® FPGA PAC features and programming a signed aocx file to the device, ensure that you copy the same file in the bin before running.
  5. Run example:
    ./bin/host
    Example sample output:
    Querying platform for info:
    ==========================
    CL_PLATFORM_NAME                         = Intel(R) FPGA SDK for OpenCL(TM)
    CL_PLATFORM_VENDOR                       = Intel(R) Corporation
    CL_PLATFORM_VERSION                      = OpenCL 1.0 Intel(R) FPGA SDK for OpenCL(TM), Version 19.2
    
    Querying device for info:
    ========================
    CL_DEVICE_NAME                           = pac_s10_dc : Intel PAC Platform (pac_ec00001)
    CL_DEVICE_VENDOR                         = Intel Corp
    CL_DEVICE_VENDOR_ID                      = 4466
    CL_DEVICE_VERSION                        = OpenCL 1.0 Intel(R) FPGA SDK for OpenCL(TM), Version 19.2
    CL_DRIVER_VERSION                        = 19.2
    CL_DEVICE_ADDRESS_BITS                   = 64
    CL_DEVICE_AVAILABLE                      = true
    CL_DEVICE_ENDIAN_LITTLE                  = true
    CL_DEVICE_GLOBAL_MEM_CACHE_SIZE          = 32768
    CL_DEVICE_GLOBAL_MEM_CACHELINE_SIZE      = 0
    CL_DEVICE_GLOBAL_MEM_SIZE                = 34359737344
    CL_DEVICE_IMAGE_SUPPORT                  = false
    CL_DEVICE_LOCAL_MEM_SIZE                 = 16384
    CL_DEVICE_MAX_CLOCK_FREQUENCY            = 1000
    CL_DEVICE_MAX_COMPUTE_UNITS              = 1
    CL_DEVICE_MAX_CONSTANT_ARGS              = 8
    CL_DEVICE_MAX_CONSTANT_BUFFER_SIZE       = 8589934336
    CL_DEVICE_MAX_WORK_ITEM_DIMENSIONS       = 3
    CL_DEVICE_MEM_BASE_ADDR_ALIGN            = 8192
    CL_DEVICE_MIN_DATA_TYPE_ALIGN_SIZE       = 1024
    CL_DEVICE_PREFERRED_VECTOR_WIDTH_CHAR    = 4
    CL_DEVICE_PREFERRED_VECTOR_WIDTH_SHORT   = 2
    CL_DEVICE_PREFERRED_VECTOR_WIDTH_INT     = 1
    CL_DEVICE_PREFERRED_VECTOR_WIDTH_LONG    = 1
    CL_DEVICE_PREFERRED_VECTOR_WIDTH_FLOAT   = 1
    CL_DEVICE_PREFERRED_VECTOR_WIDTH_DOUBLE  = 0
    Command queue out of order?              = false
    Command queue profiling enabled?         = true
    Using AOCX: hello_world.aocx
    
    Kernel initialization is complete.
    Launching the kernel...
    
    Thread #2: Hello from Altera's OpenCL Compiler!
    
    Kernel execution is complete.

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