Skip to content

[Caffe2] max -> fmaxf in cross_entropy kernel #11733

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 1 commit into from
Closed

[Caffe2] max -> fmaxf in cross_entropy kernel #11733

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 2 additions & 2 deletions caffe2/operators/cross_entropy_op.cu
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -13,15 +13,15 @@ __global__ void LabelCrossEntropyKernel(
const float log_threshold, float* Ydata) {
CUDA_1D_KERNEL_LOOP(i, N) {
CUDA_KERNEL_ASSERT(labeldata[i] >= 0 && labeldata[i] < D);
Ydata[i] = -logf(max(Xdata[i * D + labeldata[i]], log_threshold));
Ydata[i] = -logf(fmaxf(Xdata[i * D + labeldata[i]], log_threshold));
}
}
__global__ void LabelCrossEntropyGradientKernel(
const int N, const int D, const float* Xdata, const int* labeldata,
const float* dYdata, const float log_threshold, float* dXdata) {
CUDA_1D_KERNEL_LOOP(i, N) {
int idx = i * D + labeldata[i];
dXdata[idx] = - dYdata[i] / max(Xdata[idx], log_threshold);
dXdata[idx] = - dYdata[i] / fmaxf(Xdata[idx], log_threshold);
}
}
} // namespace
Expand Down