GPGPU Implementations and Optimizations

A Case Study on Algorithm Development and Research by Rawzor Technologies, India.

Challenge


Compressing an 8 Megapixel image using a proprietary image compression algorithm took 3 to 4 minutes on iOS and Android devices.

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Solution

GPU implementation of same algorithm reduced compression time to around 10 Seconds.

Used OpenGL Shaders instead of OpenCL or CUDA for maximum portability across desktop and mobile platforms.

Leveraged OpenGL ES 3.0 APIs for best performance, with fallback to OpenGL ES 2.0 for portability to older GPUs.

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