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Opened 9月 09, 2016 by saxon_zh@saxon_zhGuest

New LSTM error!

Created by: lqniunjunlper

When lstm run more than 2000 batches in first iteration, the error (float point exception) occurred! some print info as following:

I0909 17:38:59.281976 23954 TrainerInternal.cpp:162] Batch=2000 samples=128000 AvgCost=0.239344 CurrentCost=0.201116 Eval: classification_error_evaluator=0.0999063 CurrentEval: classification_error_evaluator=0.0798125 I0909 17:40:21.527977 23954 Tester.cpp:111] Test samples=25000 cost=0.184603 Eval: classification_error_evaluator=0.07068 .............................................................................................................................. .........................................................................................................................................................................................................................................................................................................................................................................................................................Current Layer forward/backward stack is LayerName: lstmemory_0 LayerName: fc_layer_0 LayerName: embedding_0 LayerName: word

* Aborted at 1473414360 (unix time) try "date -d @1473414360" if you are using GNU date *

Current Layer forward/backward stack is PC: @ 0x7f0182f0ab25 __ieee754_exp Current Layer forward/backward stack is

* SIGFPE (@0x7f0182f0ab25) received by PID 23954 (TID 0x7f017130c700) from PID 18446744071611394853; stack trace: *

Current Layer forward/backward stack is @ 0x7f018414d710 (unknown) Current Layer forward/backward stack is @ 0x7f0182f0ab25 __ieee754_exp Current Layer forward/backward stack is @ 0x7f0182f20b52 __GI___exp Current Layer forward/backward stack is @ 0x800235 hppl::tanh() Current Layer forward/backward stack is @ 0x587383 paddle::LstmCompute::forwardOneSequence<>() Current Layer forward/backward stack is @ 0x58788a paddle::LstmCompute::forwardBatch<>() Current Layer forward/backward stack is @ 0x581bdc paddle::LstmLayer::forwardBatch() Current Layer forward/backward stack is @ 0x58521a paddle::LstmLayer::forward() Current Layer forward/backward stack is @ 0x614b94 paddle::NeuralNetwork::forward() Current Layer forward/backward stack is @ 0x61efe6 paddle::TrainerThread::forward() Current Layer forward/backward stack is @ 0x621194 paddle::TrainerThread::computeThread() Current Layer forward/backward stack is @ 0x7f01832553d2 execute_native_thread_routine Current Layer forward/backward stack is @ 0x7f01841459d1 start_thread Current Layer forward/backward stack is @ 0x7f0182a3a8fd clone /data11/dis_ml/deeplearning/paddle/bin/paddle: line 46: 23954 Floating point exception${DEBUGGER} $MYDIR/../opt/paddle/bin/paddle_trainer ${@:2}
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标识: paddlepaddle/Paddle#56
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