OpenCL_EX

Enviroments

• Windows 10 laptop
• CPU 11th Gen Intel(R) Core(TM) i7-11375H @ 3.30GHz (cpu)
• Intel(R) Iris(R) Xe Graphics (iGPU)
• NVIDIA GeForce RTX 3060 Laptop GPU (gpu)

OpenCL Vector Add

• vector sum

OpenCL Matrix Multiplication(in progress)

• MatrixMultiplication project

  1. Naive Matrix Multiplication (Completed)

     • main.cpp with MatMul.cl
     • No limit on input size

  2. Matrix Multiplication Tiling in the local memoryv (Completed)

     • main2.cpp with MatMul2.cl
     • No limit on input size

  3. Matrix Multiplication Tiling in the local memory with register level(Verification Required)

     • main3.cpp with MatMul3.cl

  4. Register Blocking Matrix Multiplication(Verification Required)

     • main4.cpp with MatMul4.cl
  • Time check for A[1024, 1024] * B[1024, 1024] = C[1024, 1024] (wo : without data transfer time for Device)

OpenCL Convolution(in progress)

1. GEMM Convolution(Completed)

   • process : im2col -> Matrix Multiplication -> col2im
   • Matrix Multiplication can be changed to better logic

2. Naive Convolution(Completed)

3. FFT Convolution(Plan)

4. Winograd Convolution(Plan)

   • Time Check (input[1, 3, 512, 512] kernel[3, 3, 3, 3] output[ 1, 3, 510, 510])
     • GEMM Conv2d (gpu) : 1.76237 [msec]
     • Naive Conv2d (gpu) : 0.22528 [msec]
     • Naive Conv2d (cpu) : 22.32400 [msec]

OpenCL Bicubic Interpolation

• Bicubic Interpolation
• Add test code(validation results with pytorch Bicubic Interpolation)

OpenCL Nearnest Neighbor Interpolation

• Nearnest Neighbor Interpolation
• Add test code(validation results with pytorch Nearnest Neighbor Interpolation)

OpenCL BGR2YCbCr

• transformation image data format BGR to YCbC, NHWC->NCHW
• Add test code(validation results with python BGR2YCbC)

OpenCL YCbCr2BGR

• transformation image data format YCbC to BGR, NCHW->NHWC
• Add test code(validation results with python YCbC2BGR)

OpenCL Concat

• Concatenate two tensor for channal side
• Add test code(validation results with python concat)

Reference