From: Nicholas Nethercote <njn@valgrind.org>
Date: Thu, 15 Dec 2005 19:41:14 +0000 (+0000)
Subject: add note about recent performance improvement
X-Git-Tag: svn/VALGRIND_3_2_0~506
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a75ddd7aaa4cf0457d989c6a00f43d2a43c8f746;p=thirdparty%2Fvalgrind.git

add note about recent performance improvement



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@5349
---

diff --git a/docs/internals/performance.txt b/docs/internals/performance.txt
index 6f7a178d56..dcf1225071 100644
--- a/docs/internals/performance.txt
+++ b/docs/internals/performance.txt
@@ -14,6 +14,11 @@ Post 3.1.0:
 - Nick improved vg_SP_update_pass() to identify more small constant
   increments/decrements of SP, so the fast cases can be used more often.
   Saved 1--3% on a few programs.
+- r5345,r5346: Julian improved the dispatcher so that x86 and AMD64 use
+  jumps instead of call/return for calling translations, and also removed
+  the --profile-flags profiling from the dispatcher unless --profile-flags
+  is being used.  Improved Nulgrind performance typically by 10--20%,
+  and Memcheck performance typically by 2--20%.
 
 COMPVBITS branch:
 - Nick converted to compress V bits, initial version saved 0--5% on most