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Commit f76a0bb7 authored by Franck Dary's avatar Franck Dary
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Loss

parent 66deb59c
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......@@ -56,6 +56,10 @@ def selectAction(network, state, ts, config, missingLinks, probaRandom, probaOra
################################################################################
def optimizeModel(batchSize, policy_net, target_net, memory, optimizer, gamma) :
#lossFct = torch.nn.MSELoss()
#lossFct = torch.nn.L1Loss()
lossFct = torch.nn.SmoothL1Loss()
totalLoss = 0.0
for fromState in range(len(memory)) :
for toState in range(len(memory[fromState])) :
......@@ -74,7 +78,7 @@ def optimizeModel(batchSize, policy_net, target_net, memory, optimizer, gamma) :
expectedReward = gamma*nextQ + rewards
loss = F.smooth_l1_loss(predictedQ, expectedReward)
loss = lossFct(predictedQ, expectedReward)
optimizer.zero_grad()
loss.backward()
for param in policy_net.parameters() :
......
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