Altera RTE for OpenCL Bedienungsanleitung PDF herunterladen (Seite 40)

The hello_world executable will be in the <path_to_exm_opencl_hello_world_arm32_linux_<version>>\hello_

world\bin directory.

Related Information

OpenCL Design Examples page on the Altera website

Running the Host Application

To execute the hello_world.aocx Altera Offline Compiler Executable file on the SoC, run the host

application you built from the ARM-specific Makefile.

1. Log into your SoC board.

2. Copy the hello_world.aocx hardware configuration file and the hello_world host executable from the

<exm_opencl_hello_world_arm32_linux_<version>>\hello_world\bin to the board.

3. Ensure that the LD_LIBRARY_PATH environment variable includes the $%ALTERAOCLSDKROOT%\host\

arm32\lib.

4. To execute the kernel on the SoC, at a command prompt, navigate to the host executable directory and

run the hello_world host executable.

Output from Successful Kernel Execution on the Cyclone V SoC Development Kit

When you run the host application to execute your OpenCL kernel on the Cyclone V SoC Development

Kit, the software notifies you of a successful kernel execution.

Example output:

Found 1 OpenCL platforms.

Querying platform for info:

==========================

CL_PLATFORM_NAME = Altera SDK for OpenCL

CL_PLATFORM_VENDOR = Altera Corporation

CL_PLATFORM_VERSION = OpenCL 1.0 Altera SDK for OpenCL, Version <version>

Querying device for info:

========================

CL_DEVICE_NAME = c5soc : Cyclone V SoC Development Kit

CL_DEVICE_VENDOR = Altera

CL_DEVICE_VENDOR_ID = 4466

CL_DEVICE_VERSION = OpenCL 1.0 Altera SDK for OpenCL, Version <version>

CL_DRIVER_VERSION = <version>

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 = 2147483648

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 = 3758096384

CL_DEVICE_MAX_WORK_ITEM_DIMENSIONS = 3

CL_DEVICE_MAX_WORK_ITEM_DIMENSIONS = 1024

CL_DEVICE_MIN_DATA_TYPE_ALIGN_SIZE = 128

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

OCL005-15.0.0

2015.05.04

Running the Host Application

4-11

Getting Started with the Altera RTE for OpenCL for Altera ARMv7-A SoC

Altera Corporation

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