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authorBruce Momjian <bruce@momjian.us>2022-05-10 16:47:48 -0400
committerBruce Momjian <bruce@momjian.us>2022-05-10 16:47:48 -0400
commit40131af573514d9915798f5fa6399ddc3d214937 (patch)
tree7d795e17c5b78aceb1b1186ae00fb2af04fc5184 /doc/src
parent653443ed83f03820d29604b65dca6a56f3f8ab06 (diff)
relnote: add ARM64 spinlock item
Reported-by: Jonathan Katz Discussion: per private email
Diffstat (limited to 'doc/src')
-rw-r--r--doc/src/sgml/release-15.sgml11
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/src/sgml/release-15.sgml b/doc/src/sgml/release-15.sgml
index 8355bf48276..c9ea7c9fedf 100644
--- a/doc/src/sgml/release-15.sgml
+++ b/doc/src/sgml/release-15.sgml
@@ -840,6 +840,17 @@ Improve the performance of window functions that use row_number(), rank(), and c
</para>
</listitem>
+<!--
+Author: Tom Lane <tgl@sss.pgh.pa.us>
+2022-04-06 [a82a5eee3] Use ISB as a spin-delay instruction on ARM64.
+-->
+
+<listitem>
+<para>
+Improve the performance of spinlocks on high-core-count ARM64 systems (Geoffrey Blake)
+</para>
+</listitem>
+
</itemizedlist>
</sect4>