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LeNet-5 in HLS

This repository is about my graduate report, implementing LeNet-5 in Vivado High Level Synthesis 2016.4 & Vivado SDSoC 2016.4

lenet5

Win 10 Test App

You can test the accelerator by your own handwritten digits image.

Youtube Video

Youtube Video Here

If you want to test the app, follow these instruction

  1. Configure the IP address of Zedboard.
	username@Zedboard:~# ifconfig
  1. Start .elf file with port name argument (in here, 5555 is port name)
	username@Zedboard:~# lenet5_test.elf 5555
  1. Start the win 10 test application and input the IP address & port name.
  2. Press connect
  3. Open image file

I did not put a zoom in/out function to the app, so please suit the image size.

Model description

Used model is LeNet5-Like Deep CNN
Input : -1.0 to 1.0
Conv1 : 1x32x32 -> 6x28x28, ksize = 1x6x5x5, stride = 1
Pool1 : 6x28x28 -> 6x14x14, average pooling, window size = 2x2, stride = 2
Conv2 : 6x14x14 -> 16x10x10, ksize = 6x16x25, stride = 1
Pool2 : 16x10x10 -> 16x5x5, average pooling, window size = 2x2, stride = 2
Conv3 : 16x5x5 -> 120x1x1, ksize = 16x120x25, stride = 1
FC1 : 120x84
FC2 : 84x10

Environments

I used Zedboard(Zynq 7z020) for testing.

HW Functions : CONVOLUTION_ LAYER_ 1, CONVOLUTION_ LAYER_ 2, and CONVOLUTION_ LAYER_ 3, Clk freq set as 100MHz.

Accuracy

SW accuracy : 98.63% (single precision fp)    
HW accuracy : 98.63% (single precision fp)

Runtime

# of images : 10,000, batch size : 1  

SW runtime  : 59.4456 seconds  
HW runtime  : 16.3954 seconds  

speedup : x3.63 faster