================
@@ -7532,6 +7532,25 @@ A managed variable can be accessed in both device and
host code.
}];
}
+def CUDAClusterDimsAttrDoc : Documentation {
+ let Category = DocCatDecl;
+ let Content = [{
+In CUDA/HIP programming, the ``__cluster_dims__`` attribute can be applied to
a kernel function
+to set the dimensions of a thread block cluster. This allows to group multiple
thread blocks into
+a larger unit called a "cluster". `__cluster_dims__` defines the cluster size
as ``(X, Y, Z)``,
+where each value is the number of thread blocks in that dimension.
+ }];
+}
+
+def CUDANoClusterAttrDoc : Documentation {
+ let Category = DocCatDecl;
+ let Content = [{
+In CUDA/HIP programming, the ``__no_cluster__`` attribute can be applied to a
kernel function to
+indicate that the thread block cluster feature will not be enabled at both
compile time and kernel
+launch time. Note: this is a LLVM/Clang only attribute.
----------------
erichkeane wrote:
Instead of as a note, I'd suggest making the first sentence be: `..., the
Clang/LLVM-exclusive __no_cluster__ attribute`
https://github.com/llvm/llvm-project/pull/156686
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