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-- Torch Android demo script | |
-- Script: main.lua | |
-- Copyright (C) 2013 Soumith Chintala | |
require 'torch' | |
require 'cunn' | |
require 'nnx' | |
require 'dok' | |
require 'image' | |
function demoluafn() | |
ret = 'Called demo function from inside lua' | |
print() | |
return ret | |
end | |
print("Hello from Lua") | |
torch.setdefaulttensortype('torch.FloatTensor') | |
-- Doing a small benchmark of the convolution module | |
in_planes = 3 | |
out_planes = 16 | |
imsz_x = 640 | |
imsz_y = 480 | |
num_ops = 2 -- 2 ops, i.e one for multiply and one for accumulate | |
test_tensor = torch.rand(in_planes,imsz_x,imsz_y):cuda() | |
for kernel_sz=1,16 do | |
local model = nn.SpatialConvolution(in_planes,out_planes,kernel_sz,kernel_sz):cuda() | |
tstart = os.clock() | |
output1 = model:forward(test_tensor) | |
tend = os.clock() | |
print('-------------------------------------------------------------------------------------------') | |
print('Input Size: ' .. in_planes .. 'x' .. imsz_x .. 'x' .. imsz_y | |
.. '\t\tKernel Size: ' .. kernel_sz .. 'x' .. kernel_sz .. '\t\tOutput Planes:' .. out_planes) | |
print('Time taken (in seconds): ' .. (tend-tstart)) | |
total_ops = in_planes*kernel_sz*kernel_sz*out_planes*(imsz_x-kernel_sz+1)*(imsz_y-kernel_sz+1)*num_ops | |
print('GOps:' .. total_ops / 1e9) | |
print('Gops/s: ' .. ( total_ops/( (tend-tstart) * 1e9))) | |
print('-------------------------------------------------------------------------------------------') | |
end |
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