================
@@ -1483,6 +1483,53 @@ See the OpenCL documentation for some more complete
examples.
}];
}
+def CoopMatrixTypeDocs : Documentation {
+ let Category = DocCatType;
+ let Heading = "coop_mat";
+ let Content = [{
+The `coop_mat` attribute declares an OpenCL cooperative matrix type.
Cooperative
+matrix operations are distributed across a set of invocations, such as a
+subgroup, allowing the implementation to optimize matrix multiply operations.
+
+The attribute is applied to a scalar numerical component type and takes four
+arguments:
+
+```c
+__attribute__((coop_mat(scope, rows, columns, use)))
+```
+- scope specifies the memory scope of the cooperative matrix.
+ It must be one of the supported OpenCL memory scopes, such as
CLK_COOPERATIVE_MATRIX_SCOPE_SUBGROUP.
+- rows specifies the number of rows in the matrix. It must be a constant
expression.
+- columns specifies the number of columns in the matrix. It must be a constant
expression.
----------------
MrSidims wrote:
But where? https://github.com/KhronosGroup/OpenCL-Docs/pull/1533 doesn't
mention it.
See my head comment - the specification that is listed in RFC as well as the
RFC doesn't have any of the restrictions imposed or assumed in the
implementation. It doesn't mean, that the assumptions are wrong - I see why we
can only have constant expression shape, but it would be nice to compare
implementation with the actual specification in many other things.
https://github.com/llvm/llvm-project/pull/221328
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