Skip to content

[AUTOGENERATED] [release/2.9] [ROCm] [Normalization] Update block size #2758

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

Merged
merged 1 commit into from
Oct 28, 2025
Merged

[AUTOGENERATED] [release/2.9] [ROCm] [Normalization] Update block size #2758

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 aten/src/ATen/native/cuda/Normalization.cuh
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@ namespace at::native {

// The maximum number of threads in a block
#if defined(USE_ROCM)
constexpr int MAX_BLOCK_SIZE = 256;
constexpr int MAX_BLOCK_SIZE = 1024;
#else
constexpr int MAX_BLOCK_SIZE = 512;
#endif
Expand All @@ -33,7 +33,7 @@ constexpr unsigned MAX_GRID_SIZE = 65535u;
// Number of threads in a block given an input size up to MAX_BLOCK_SIZE
static int getNumThreads(int nElem) {
#if defined(USE_ROCM)
int threadSizes[5] = { 16, 32, 64, 128, MAX_BLOCK_SIZE };
int threadSizes[5] = { 64, 128, 256, 512, MAX_BLOCK_SIZE };
#else
int threadSizes[5] = { 32, 64, 128, 256, MAX_BLOCK_SIZE };
#endif
Expand Down