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VC4CL

VC4CL stands for VideoCore IV OpenCL and is an open-source OpenCL implementation for the VideoCore IV GPU in the Raspberry Pi models.

General information

• Download and installation instructions
• A short overview of the hardware components in the VideoCore IV GPU
• hardware-specific performance considerations
• Current status of the OpenCL conformance test suite
• List of tested libraries and their status of support
• List of available (and partially tested) benchmarks
• Collection of limitations of the various parts of the implementation

Host-side pages

• Status of the host-side runtime library with notes on implementation details and expected behavior

Compiler pages

• Unsupported OpenCL C language features
• Comparison of the implemented front-ends

Device-side pages

• Implementation status (including how functions are implemented) of the device-side standard library
• Current status of the numerical compliance of the mathematical functions

Development pages

• Contributing guidelines
• Cross compilation instructions
• Draft of a concept to support the various OpenCL image-types
• Thanks to all the people providing the required information for me to create this implementation

Specifications and papers

• OpenCL 1.2 specification
• OpenCL 1.2 extensions specification
• SPIR-V 1.2 specification
• The VideoCore IV specification
• The original Master's thesis this project was created for