On 09.08.21 15:55, Tobias Burnus wrote:
Now that the GCN/OpenACC patches for this have been committed today,
I think it makes sense to add it to the documentation.
(I was told that some follow-up items are still pending, but as
the feature does work ...)
I think the follow-up patches have now been committed.
How about the attached patch?
Tobias
-----------------
Siemens Electronic Design Automation GmbH; Anschrift: Arnulfstraße 201, 80634
München; Gesellschaft mit beschränkter Haftung; Geschäftsführer: Thomas
Heurung, Frank Thürauf; Sitz der Gesellschaft: München; Registergericht
München, HRB 106955
gcc-12/changes.html (GCN): >1 workers per gang
diff --git a/htdocs/gcc-12/changes.html b/htdocs/gcc-12/changes.html
index 479bd6c5..738f4c73 100644
--- a/htdocs/gcc-12/changes.html
+++ b/htdocs/gcc-12/changes.html
@@ -360,6 +360,10 @@ a work-in-progress.</p>
<li>Debug experience with ROCGDB has been improved.</li>
<li>Support for the type <code>__int128_t</code>/<code>integer(kind=16)</code>
was added.</li>
+ <li>For offloading, the limitation of using only one wavefront per compute
+ unit (CU) has been lifted; up to 40 workgroup per CU and 16 wavefronts
+ per workgroup are supported. Additionally, the number of used wavefronts
+ and workgroups was tuned for performance.</li>
</ul>
<!-- <h3 id="arc">ARC</h3> -->
