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commit f7dd4172cf535cf52601a8819cf5c8bfabcd1fe4 Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Tue Jul 31 10:26:27 2018 +0200 Improve Travis script Fixed after reordering project structure commit d054e5c91762da15defa458404e355d7c670e301 Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Mon Jul 30 15:11:21 2018 +0200 Update Travis CI for linux and OSX commit 63395f5a7e3dd9f2a52b2d6a254da89ec1d6e5e9 Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Fri Jul 27 14:38:40 2018 +0200 Secure EventBus from wrong usage For example user previously could do such thing: bus.listen<const MyEvent>(...) bus.listen<MyEvent>(...) Those we 2 different events :/ commit f9195316d3ba6313ee425e3194b65b32fe52d641 Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Thu Jul 26 12:44:17 2018 +0200 Update for better managing Debug/Release Updated project for easy switch between debug/release versions of library Thanks to that we can do only find_package and don't have to care about if's switching between debug/release Thanks: https://github.com/forexample/package-example commit 7d708959d9e96176875ca882f0f69a72622added Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Wed Jul 25 13:45:55 2018 +0200 Update clang-format style commit beb1d3b863379490f321e43f3e42ab272954ea67 Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Tue Jul 24 16:05:16 2018 +0200 Add some docs commit ca450dfeee2d4bc604bbb9bf0599f373c21a4173 Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Tue Jul 24 15:49:52 2018 +0200 Remove not needed includes commit 6473b80e8e60408675bcc4adc88653390576c4bd Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Tue Jul 24 15:41:57 2018 +0200 Code format commit 8abb56e1dd4b71df2b05bb34bef0530567e4ff2e Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Tue Jul 24 15:41:40 2018 +0200 Improve performance Thanks to that we don't need RTTI commit 1feacbb1f9ae6a5ac2209a6dc1df5c868ead8fd4 Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Tue Jul 24 15:14:16 2018 +0200 Remove trash commit b5dc5c05589b969dd61eb65b68e4cdce69c5a5fb Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Tue Jul 24 15:00:15 2018 +0200 Fix include path commit 9939fd09805191f0bdada6cb85193a291d519116 Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Tue Jul 24 14:51:02 2018 +0200 Update install lib commit 9eaa09f9ec5a29045b03ffc7632878863a2b2b9b Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Tue Jul 24 14:50:47 2018 +0200 Fix commit 7a5b3323af0b728f7e511ac22ff5027c6d06402e Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Tue Jul 24 14:16:12 2018 +0200 Update README commit beb6599ee4385fdffc747dc866db46e160be1358 Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Tue Jul 24 14:16:05 2018 +0200 Add performance compare to Poco::NotifactionCenter commit 1d25b997580a9ee09c9db86135b4ca9e1b1a10c6 Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Tue Jul 24 14:14:08 2018 +0200 Update clang-format commit 4f4cb4a7e8a849c067a42085eb3e76c3df894bc7 Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Tue Jul 24 13:04:30 2018 +0200 Remove bad flag It is only working for GCC commit 66a7945084607f94d9d0c803008398e8d281fd06 Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Tue Jul 24 13:03:15 2018 +0200 Remove deprecated stuff It was breaking encapsulation commit 1e7500607b42bff3632250f623888b95a503dfd0 Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Tue Jul 24 13:01:37 2018 +0200 Update sample commit 11a146bb9145fa55f9b9a39a9e033387007a7151 Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Tue Jul 24 13:01:27 2018 +0200 Add clang-format rules commit 685562c632d9751f50a2f05b92ef9ebf53a5d6e0 Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Tue Jul 24 12:47:10 2018 +0200 Reorganize project layout Inspired by: https://www.youtube.com/watch?v=6sWec7b0JIc commit 40d1d6487814730533d7dd7cbedbaf2b4e34ef19 Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Tue Jul 24 12:45:55 2018 +0200 Remove Catch2 submodule Switch to own dependency commit ca21df04f392adcb027a5b4f25ffac085b51f48c Author: Dawid Drozd <dawid.drozd@mobica.com> Date: Tue Jul 24 11:28:51 2018 +0200 Remove old code
Performace
This is maybe not perfect but can show something. All result are run using RELESE build.
Why?
Sample DEBUG run:
Run on (8 X 3600 MHz CPU s)
2017-08-05 12:44:53
***WARNING*** Library was built as DEBUG. Timings may be affected.
---------------------------------------------------------------
Benchmark Time CPU Iterations
---------------------------------------------------------------
checkSimpleNotification 293 ns 293 ns 2319171
Sample RELEASE run:
Run on (8 X 3600 MHz CPU s)
2017-08-05 12:45:43
---------------------------------------------------------------
Benchmark Time CPU Iterations
---------------------------------------------------------------
checkSimpleNotification 6 ns 6 ns 116492914
So below all numbers are in release.
This library as you can read in main README.md was inspired by CCNotificationCenter from cocos2d-x game engine.
So I want to present comparision of performance of this two. Of course this is only showcase.
I don't want to add submodule of cocos2d-x so simply I run it only and present results. Cocos2d-x was also build as release. If you want to repeat it, here are steps I followed:
cd performance # From root of this project
git clone -b v2 https://github.com/cocos2d/cocos2d-x.git #this can take some time :/ it need to download ~900 MB
# Uncomment line in CMakeLists.txt which INCLUDE(Cocos2dxCompare.cmake)
# Apply patch CCNotificationCenterPerformance.patch
cd cocos2d-x
git apply ../CCNotificationCenterPerformance.patch
Run on (8 X 3600 MHz CPU s)
2017-08-06 17:03:13
------------------------------------------------------------------------------------------------------------------------------------------
Benchmark Time CPU Iterations UserCounters Faster
------------------------------------------------------------------------------------------------------------------------------------------
call1kLambdas_compare 2256 ns 2256 ns 327462 sum=1.21989G Compare with check1kListeners overhead is super small
------------------------------------------------------------------------------------------------------------------------------------------
checkSimpleNotification 16 ns 16 ns 42451425 sum=161.939M x 10.7
checkSimpleNotification_CCNotificationCenter 172 ns 172 ns 4193935 sum=15.9986M
------------------------------------------------------------------------------------------------------------------------------------------
check10Listeners 34 ns 34 ns 20564387 sum=784.469M x 8.9
check10Listeners_CCNotificationCenter 305 ns 305 ns 2208720 sum=84.256M
------------------------------------------------------------------------------------------------------------------------------------------
check100Listeners 208 ns 208 ns 3362931 sum=1.25279G x 8.4
check100Listeners_CCNotificationCenter 1758 ns 1758 ns 398100 sum=151.863M
------------------------------------------------------------------------------------------------------------------------------------------
check1kListeners 2074 ns 2074 ns 340081 sum=1.2669G x 8.1
check1kListeners_CCNotificationCenter 17001 ns 16999 ns 41548 sum=158.493M
------------------------------------------------------------------------------------------------------------------------------------------
check10NotificationsFor1kListeners 263 ns 263 ns 2668786 sum=-1.76281G x 53.1
check10NotificationsFor1kListeners_CCNotificationCenter 13987 ns 13986 ns 51560 sum=44.2743M
------------------------------------------------------------------------------------------------------------------------------------------
check100NotificationsFor1kListeners UNKNOWN result available with EventBus 2.0.1
check100NotificationsFor1kListeners_CCNotificationCenter 12128 ns 12127 ns 54017 sum=51.181M
------------------------------------------------------------------------------------------------------------------------------------------
check1kNotificationsFor1kListeners UNKNOWN result available with EventBus 2.0.1
check1kNotificationsFor1kListeners_CCNotificationCenter 11940 ns 11939 ns 57722 sum=55.2338M
------------------------------------------------------------------------------------------------------------------------------------------
check100NotificationsFor10kListeners UNKNOWN result available with EventBus 2.0.1
check100NotificationsFor10kListeners_CCNotificationCenter 128244 ns 128233 ns 5297 sum=49.5221M
------------------------------------------------------------------------------------------------------------------------------------------
checkNotifyFor10kListenersWhenNoOneListens 18 ns 18 ns 38976599 sum=0 x 7077 ;)
checkNotifyFor10kListenersWhenNoOneListens_CCNotificationCenter 127388 ns 127378 ns 5460 sum=0
So comparing to CCNotificationCenter, EventBus is something like ~10x FASTER especially when we have more unique notifications.