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[wwwdocs,GCN] gcc-14/changes.html: GCN - Mention improvements due to VGPR register use

Message ID 9a1b7f88-4c27-40d3-bf77-c8e13de6a13b@codesourcery.com
State New
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Series [wwwdocs,GCN] gcc-14/changes.html: GCN - Mention improvements due to VGPR register use | expand

Commit Message

Tobias Burnus Nov. 24, 2023, 4:20 p.m. UTC 
As in a set of benchmarks, an geometric-mean improvement of 9% (noise to 25%)
was found, I think we should mention this improvement proudly.
(Kudos goes to two Andrews - Jenner and Stubbs!)

Current version: https://gcc.gnu.org/gcc-14/changes.html#amdgcn

Comments?

Tobias
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Comments

Gerald Pfeifer Nov. 24, 2023, 10:32 p.m. UTC | #1 
On Fri, 24 Nov 2023, Tobias Burnus wrote:
> As in a set of benchmarks, an geometric-mean improvement of 9% (noise to 
> 25%) was found, I think we should mention this improvement proudly.

Definitely!

> Comments?

The ", hence," broke my reading flow; maybe simply omit it? Either way, 
okay.

Gerald
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Patch

gcc-14/changes.html: GCN - Mention improvements due to VGPR register use

diff --git a/htdocs/gcc-14/changes.html b/htdocs/gcc-14/changes.html
index 455798d1..1fa74f9a 100644
--- a/htdocs/gcc-14/changes.html
+++ b/htdocs/gcc-14/changes.html
@@ -191,6 +211,8 @@ 
 <h3 id="amdgcn">AMD Radeon (GCN)</h3>
 
 <ul>
+  <li>Improved register usage and, hence, performance on CDNA Instinct MI100
+    and MI200 series devices.</li>
   <li>The default device architecture is now <code>gfx900</code> (Vega).</li>
   <li>
     Fiji (gfx803) device support is now deprecated and will be removed from