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authorHenri Beauchamp <sldevel@users.noreply.github.com>2023-01-31 17:42:51 +0100
committerGitHub <noreply@github.com>2023-01-31 18:42:51 +0200
commit9438ef5f79fdac11080c3fa10c518e335fd7d8d6 (patch)
tree9a97248bab30408815c4d242f1ce932e822853a3 /indra/newview/skins/default/xui/de
parent21b592865228bacf07ec8a526f1756bae69597e0 (diff)
SL-19110 Fast hashing classes for use in place of the slow LLMD5, where speed matters. (#64)
This commit adds the HBXX64 and HBXX128 classes for use as a drop-in replacement for the slow LLMD5 hashing class, where speed matters and backward compatibility (with standard hashing algorithms) and/or cryptographic hashing qualities are not required. It also replaces LLMD5 with HBXX* in a few existing hot (well, ok, just "warm" for some) paths meeting the above requirements, while paving the way for future use cases, such as in the DRTVWR-559 and sibling branches where the slow LLMD5 is used (e.g. to hash materials and vertex buffer cache entries), and could be use such a (way) faster algorithm with very significant benefits and no negative impact. Here is the comment I added in indra/llcommon/hbxx.h: // HBXXH* classes are to be used where speed matters and cryptographic quality // is not required (no "one-way" guarantee, though they are likely not worst in // this respect than MD5 which got busted and is now considered too weak). The // xxHash code they are built upon is vectorized and about 50 times faster than // MD5. A 64 bits hash class is also provided for when 128 bits of entropy are // not needed. The hashes collision rate is similar to MD5's. // See https://github.com/Cyan4973/xxHash#readme for details.
Diffstat (limited to 'indra/newview/skins/default/xui/de')
-rw-r--r--indra/newview/skins/default/xui/de/floater_about.xml1
1 files changed, 1 insertions, 0 deletions
diff --git a/indra/newview/skins/default/xui/de/floater_about.xml b/indra/newview/skins/default/xui/de/floater_about.xml
index b2708f7141..10ccf0d5da 100644
--- a/indra/newview/skins/default/xui/de/floater_about.xml
+++ b/indra/newview/skins/default/xui/de/floater_about.xml
@@ -29,6 +29,7 @@ mit Open-Source-Beiträgen von:</text>
SDL Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga.
SSLeay Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com).
xmlrpc-epi Copyright (C) 2000 Epinions, Inc.
+ xxHash Copyright (C) 2012-2020 Yann Collet.
zlib Copyright (C) 1995-2012 Jean-loup Gailly und Mark Adler.
Second Life Viewer verwendet Havok (TM) Physics. (c)Copyright 1999-2010 Havok.com Inc. (und Lizenzgeber). Alle Rechte vorbehalten. Details siehe www.havok.com.