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e8d18cb014
- Added Rate limit the rate in which signals are processed for NPC's (.5 seconds instead of .01 seconds)
Added Perl Export Settings which should heavily reduce the Perl footprint
- Normally when any sub EVENT_ gets triggered, all kinds of variables have to get exported every single time an event is triggered and
this can make Perl very slow when events are triggered constantly
- The two most taxing variable exports are the item variables ($itemcount{} $hasitem{} $oncursor{}) and qglobals ($qglobals{})
- qglobals can pose to be an issue quickly when global qglobals build up, it is highly recommend to use the GetGlobal() and SetGlobal()
methods instead as they don't reference the hashmap $qglobals{} that is rebuilt every single time a sub event is triggered
- A stress test conducted with 10,000 samples shows an excess of time taken to export variables: http://i.imgur.com/NEpW1tS.png
- After the Perl Export Settings table is implemented, and all exports are shut off you see the following test result:
http://i.imgur.com/Du5hth9.png
- The difference of eliminating uneeded exports brings the overhead and footprint of 10,000 triggers from 54 seconds to 2 seconds
- In a 10,000 sample test (10,000 sub event triggers), exporting item variables adds 12 seconds alone, when item variables are only needed in
EVENT_ITEM and EVENT_SAY a majority of the time if at all
- In a 10,000 sample test (10,000 sub event triggers), exporting qglobals with approximately 1,000 global qglobals in the database creates
about 11-20 seconds of delay on its own (Depending on hardware of course)
- I've written a parser that has determined which of these exports are needed in which sub routines and have turned off all of the unneeded
exports in sub routines that do not need them and used it to create the default table that will be installed in the database.
- The export table is called 'perl_event_export_settings' and it resembles the following structure and contains all current 81 EVENTS
- If an entry doesn't exist in this table and a new subroutine is added to the source, all exports will be on by default for that routine
+----------+-----------------------------------------+-----------------+------------+-------------+-------------+--------------+
| event_id | event_description | export_qglobals | export_mob | export_zone | export_item | export_event |
+----------+-----------------------------------------+-----------------+------------+-------------+-------------+--------------+
| 0 | EVENT_SAY | 1 | 1 | 1 | 1 | 1 |
| 1 | EVENT_ITEM | 1 | 1 | 1 | 0 | 1 |
| 2 | EVENT_DEATH | 1 | 1 | 1 | 0 | 1 |
| 3 | EVENT_SPAWN | 1 | 1 | 1 | 0 | 1 |
| 4 | EVENT_ATTACK | 0 | 1 | 1 | 0 | 1 |
| 5 | EVENT_COMBAT | 1 | 1 | 1 | 0 | 1 |
+----------+-----------------------------------------+-----------------+------------+-------------+-------------+--------------+
- If a change is made to this table while the server is live and running, you can hot reload all zone process settings via:
#reloadperlexportsettings
- For those who wonder what "exports" are, they are reference to variables that are made available at runtime of the sub event, such as:
(export_qglobals) (Heavy) : $qglobals https://github.com/EQEmu/Server/blob/master/zone/embparser.cpp#L916
(export_item) (Heavy) : $itemcount{} $hasitem{} $oncursor{} https://github.com/EQEmu/Server/blob/master/zone/embparser.cpp#L1103
(export_zone) : $zoneid, $instanceid, $zoneln etc. https://github.com/EQEmu/Server/blob/master/zone/embparser.cpp#L1083
(export_mob) : $x, $y, $z, $h, $hpratio etc. https://github.com/EQEmu/Server/blob/master/zone/embparser.cpp#L1032
(export_event) : (event specific) IE: EVENT_SAY ($text) https://github.com/EQEmu/Server/blob/master/zone/embparser.cpp#L1141
49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
/* EQEMu: Everquest Server Emulator
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Copyright (C) 2001-2013 EQEMu Development Team (http://eqemulator.net)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY except by those people which sell it, which
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are required to give you total support for your newly bought product;
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without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _EQEMU_VERSION_H
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#define _EQEMU_VERSION_H
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#define LOGIN_VERSION "0.8.0"
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#define EQEMU_PROTOCOL_VERSION "0.3.10"
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#define CURRENT_VERSION "1.1.3"
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/*
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Everytime a Database SQL is added to Github,
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increment CURRENT_BINARY_DATABASE_VERSION number and make sure you update the manifest
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Manifest: https://github.com/EQEmu/Server/blob/master/utils/sql/db_update_manifest.txt
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*/
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#define CURRENT_BINARY_DATABASE_VERSION 9088
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#ifdef BOTS
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#define CURRENT_BINARY_BOTS_DATABASE_VERSION 9000
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#else
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#define CURRENT_BINARY_BOTS_DATABASE_VERSION 0 // must be 0
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#endif
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#define COMPILE_DATE __DATE__
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#define COMPILE_TIME __TIME__
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#ifndef WIN32
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#define LAST_MODIFIED __TIME__
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#else
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#define LAST_MODIFIED __TIMESTAMP__
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#endif
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#endif
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