49 lines
1.3 KiB
Lua
49 lines
1.3 KiB
Lua
-- ref: https://github.com/torch/nn/issues/112#issuecomment-64427049
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local function zeroDataSize(data)
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if type(data) == 'table' then
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for i = 1, #data do
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data[i] = zeroDataSize(data[i])
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end
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elseif type(data) == 'userdata' then
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data = torch.Tensor():typeAs(data)
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end
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return data
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end
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-- Resize the output, gradInput, etc temporary tensors to zero (so that the
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-- on disk size is smaller)
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local function cleanupModel(node)
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if node.output ~= nil then
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node.output = zeroDataSize(node.output)
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end
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if node.gradInput ~= nil then
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node.gradInput = zeroDataSize(node.gradInput)
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end
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if node.finput ~= nil then
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node.finput = zeroDataSize(node.finput)
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end
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if tostring(node) == "nn.LeakyReLU" or tostring(node) == "w2nn.LeakyReLU" then
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if node.negative ~= nil then
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node.negative = zeroDataSize(node.negative)
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end
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end
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if tostring(node) == "nn.Dropout" then
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if node.noise ~= nil then
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node.noise = zeroDataSize(node.noise)
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end
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end
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-- Recurse on nodes with 'modules'
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if (node.modules ~= nil) then
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if (type(node.modules) == 'table') then
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for i = 1, #node.modules do
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local child = node.modules[i]
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cleanupModel(child)
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end
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end
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end
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end
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function w2nn.cleanup_model(model)
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cleanupModel(model)
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return model
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end
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