Diagnosing CL_DEVICE_NOT_FOUND and OpenCL Platform Initialization Failures
A technical guide to diagnosing and fixing CL_DEVICE_NOT_FOUND errors in OpenCL, covering ICD loader failures, driver mismatches, and Linux permission issues.
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openclOpenCL clGetPlatformIDs returning CL_PLATFORM_NOT_FOUND in multi-vendor environments
OpenCL applications rely on the Installable Client Driver (ICD) loader to discover available platforms at runtime. In environments with a single hardware vendor, the loader typically identifies the platform without configuration. However, production environments often contain multiple GPUs or a mix of integrated and discrete graphics, which can introduce com