Comments (7)
finnally the train loss eaqual 4 is normal?
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@zxt881108 Hi, the training log is too big, here is a part of training log of RefineDet512_ResNet101_COCO:
I1009 15:11:17.230608 5518 solver.cpp:243] Iteration 0, loss = 77.6168
I1009 15:11:17.230693 5518 solver.cpp:259] Train net output #0: arm_loss = 30.3417 (* 1 = 30.3417 loss)
I1009 15:11:17.230715 5518 solver.cpp:259] Train net output #1: odm_loss = 47.2751 (* 1 = 47.2751 loss)
I1009 15:11:17.230823 5518 sgd_solver.cpp:138] Iteration 0, lr = 0.001
I1009 22:51:56.919220 13991 solver.cpp:243] Iteration 10000, loss = 8.28546
I1009 22:51:56.919309 13991 solver.cpp:259] Train net output #0: arm_loss = 4.22539 (* 1 = 4.22539 loss)
I1009 22:51:56.919328 13991 solver.cpp:259] Train net output #1: odm_loss = 5.07301 (* 1 = 5.07301 loss)
I1009 22:51:58.349028 13991 sgd_solver.cpp:138] Iteration 10000, lr = 0.001
1010 06:42:09.443035 13991 solver.cpp:243] Iteration 20000, loss = 8.75266
I1010 06:42:09.443153 13991 solver.cpp:259] Train net output #0: arm_loss = 4.03777 (* 1 = 4.03777 loss)
I1010 06:42:09.443168 13991 solver.cpp:259] Train net output #1: odm_loss = 3.69968 (* 1 = 3.69968 loss)
I1010 06:42:10.775079 13991 sgd_solver.cpp:138] Iteration 20000, lr = 0.001
I1010 22:09:05.001247 13991 solver.cpp:243] Iteration 40000, loss = 8.14145
I1010 22:09:05.001334 13991 solver.cpp:259] Train net output #0: arm_loss = 3.60879 (* 1 = 3.60879 loss)
I1010 22:09:05.001350 13991 solver.cpp:259] Train net output #1: odm_loss = 3.71262 (* 1 = 3.71262 loss)
I1010 22:09:05.995534 13991 sgd_solver.cpp:138] Iteration 40000, lr = 0.001
I1012 05:23:05.806807 13991 solver.cpp:243] Iteration 80000, loss = 7.2509
I1012 05:23:05.806875 13991 solver.cpp:259] Train net output #0: arm_loss = 3.2211 (* 1 = 3.2211 loss)
I1012 05:23:05.806884 13991 solver.cpp:259] Train net output #1: odm_loss = 2.79722 (* 1 = 2.79722 loss)
I1012 05:23:06.111764 13991 sgd_solver.cpp:138] Iteration 80000, lr = 0.001
I1014 21:35:23.140607 13991 solver.cpp:243] Iteration 160000, loss = 6.43958
I1014 21:35:23.140681 13991 solver.cpp:259] Train net output #0: arm_loss = 3.72447 (* 1 = 3.72447 loss)
I1014 21:35:23.140689 13991 solver.cpp:259] Train net output #1: odm_loss = 2.4261 (* 1 = 2.4261 loss)
I1014 21:35:24.672145 13991 sgd_solver.cpp:138] Iteration 160000, lr = 0.001
I1019 00:20:20.329696 21651 solver.cpp:243] Iteration 280000, loss = 6.08943
I1019 00:20:20.329771 21651 solver.cpp:259] Train net output #0: arm_loss = 3.02973 (* 1 = 3.02973 loss)
I1019 00:20:20.329785 21651 solver.cpp:259] Train net output #1: odm_loss = 2.79212 (* 1 = 2.79212 loss)
I1019 00:20:21.572805 21651 sgd_solver.cpp:138] Iteration 280000, lr = 0.001
I1025 10:35:06.596961 22840 solver.cpp:243] Iteration 480000, loss = 5.46378
I1025 10:35:06.597018 22840 solver.cpp:259] Train net output #0: arm_loss = 3.11097 (* 1 = 3.11097 loss)
I1025 10:35:06.597024 22840 solver.cpp:259] Train net output #1: odm_loss = 3.3891 (* 1 = 3.3891 loss)
I1025 10:35:06.973990 22840 sgd_solver.cpp:138] Iteration 480000, lr = 1e-05
PS: If you train the RefineDet512_ResNet101_COCO model, every GPU must have more than 4 images (e.g., 5 images in our training stage) to keep the BN layer stable.
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Thx! Limit to the GPU memory, I set minibatch=2 for each GPU, maybe this is the main reason.
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@sfzhang15 hi, which gpu hardware and cuda/cudnn version are u using for training resnet101-512? I use P100 cards with 16G memory ,but can only holds at most 3 images.
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@XiongweiWu Hi, as said in footnote 7 in our paper, we use 4 M40 (24G) with cuda 8.0 and cudnn 6.0.
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@moyans
The following is our log in the end:
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@sfzhang15 thanks
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