From bb62899db57cde576a1250a793e4e00a1121bbde Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Sat, 23 Apr 2005 21:38:42 +0000 Subject: [PATCH] Done: < * Improve SMP performance on i386 machines > * -Improve SMP performance on i386 machines --- doc/TODO | 4 ++-- doc/src/FAQ/TODO.html | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/doc/TODO b/doc/TODO index a50b53ab29..de5b5d6794 100644 --- a/doc/TODO +++ b/doc/TODO @@ -2,7 +2,7 @@ PostgreSQL TODO List ==================== Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) -Last updated: Sat Apr 23 17:25:48 EDT 2005 +Last updated: Sat Apr 23 17:38:41 EDT 2005 The most recent version of this document can be viewed at http://www.postgresql.org/docs/faqs.TODO.html. @@ -785,7 +785,7 @@ Locking while on non-SMP machines, the backend should sleep so the process holding the lock can complete and release it. -* Improve SMP performance on i386 machines +* -Improve SMP performance on i386 machines i386-based SMP machines can generate excessive context switching caused by lock failure in high concurrency situations. This may be diff --git a/doc/src/FAQ/TODO.html b/doc/src/FAQ/TODO.html index 865a3f51fc..58eca34b7f 100644 --- a/doc/src/FAQ/TODO.html +++ b/doc/src/FAQ/TODO.html @@ -8,7 +8,7 @@

PostgreSQL TODO List

Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
-Last updated: Sat Apr 23 17:25:48 EDT 2005 +Last updated: Sat Apr 23 17:38:41 EDT 2005

The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html. @@ -718,7 +718,7 @@ first. while on non-SMP machines, the backend should sleep so the process holding the lock can complete and release it.

Improve SMP performance on i386 machines +

-Improve SMP performance on i386 machines

i386-based SMP machines can generate excessive context switching caused by lock failure in high concurrency situations. This may be caused by CPU cache line invalidation inefficiencies. -- 2.11.0