提交 50c3dbf6 编写于 作者: Y Yu Yang 提交者: GitHub

Merge branch 'master' into custom_stack_trace_refines

......@@ -114,27 +114,30 @@ void CudnnBatchNormLayer::backward(const UpdateCallback& callback) {
} else {
create(tmpBiasGrad_, 1, channels_, &betaGrad);
}
#if CUDNN_VERSION < 5000
// because of the different api of cudnn v4 and v5.
if (hl_get_cudnn_lib_version() < 5000) {
if (weight_->getWGrad()) {
create(tmpWGrad_, 1, channels_, &gammaGrad);
}
if (biases_ && biases_->getWGrad()) {
create(tmpBiasGrad_, 1, channels_, &betaGrad);
}
#endif
}
hl_batch_norm_backward(ioDesc_, input, ioDesc_, outGrad,
ioDesc_, inGrad, bnParamDesc_,
gamma, gammaGrad, betaGrad,
EPS, savedMean, savedInvVar);
#if CUDNN_VERSION < 5000
// because of the different api of cudnn v4 and v5.
if (hl_get_cudnn_lib_version() < 5000) {
if (weight_->getWGrad() && biases_->getWGrad()) {
weight_->getWGrad()->add(*tmpWGrad_);
biases_->getWGrad()->add(*tmpBiasGrad_);
}
#endif
}
{
REGISTER_TIMER_INFO("WeightUpdate", getName().c_str());
biases_->getParameterPtr()->incUpdate(callback);
......
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