CUDA Grayscaler

Simple educational-purpose multi-threaded image grayscaler - CUDA version

Currently, only jpeg images are supported using libjpeg.

Usage

1. Configure

   You can configure

   • input image name (INPUT_IMAGE_FILENAME)
   • output images name (OUTPUT_IMAGE_FILENAME)
   • number of threads in each block (BLOCK_THREADS)
   • number of blocks in each grid (GRID_BLOCKS)

   configuration parameters in config.h file.

2. Build

   make build

3. Run

   ./build/grayscale

Development

You'll need CMake and a C compiler. I used CMake version 3.20.5 and clang version 12.0.1.