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@@ -1,2 +1,49 @@ # entities A C++ simple entity component system + +## the library +The file that actually contains the library is entities.hpp. + +## compared to EntityX +entities: +``` +entityx create destroy entity with components 5000000 254 ns/op + [25] entityx 25 entities component systems update 1000000 1572 ns/op + [50] entityx 50 entities component systems update 500000 3009 ns/op + [100] entityx 100 entities component systems update 200000 5995 ns/op + [200] entityx 200 entities component systems update 100000 11848 ns/op + [400] entityx 400 entities component systems update 50000 23631 ns/op + [800] entityx 800 entities component systems update 20000 51669 ns/op + [1600] entityx 1600 entities component systems update 10000 112446 ns/op + [3200] entityx 3200 entities component systems update 5000 225504 ns/op + [5000] entityx 5000 entities component systems update 5000 368282 ns/op + [10000] entityx 10000 entities component systems update 1000 1240502 ns/op + [30000] entityx 30000 entities component systems update 200 5196731 ns/op + [100000] entityx 100000 entities component systems update 100 18331731 ns/op + [500000] entityx 500000 entities component systems update 20 93182044 ns/op + [1000000] entityx 1000000 entities component systems update 10 191315282 ns/op + [2000000] entityx 2000000 entities component systems update 5 299790721 ns/op +./test 43.175s +``` + +EntityX: +``` +entityx create destroy entity with components 5000000 200 ns/op + [25] entityx 25 entities component systems update 500000 2903 ns/op + [50] entityx 50 entities component systems update 200000 5721 ns/op + [100] entityx 100 entities component systems update 100000 11338 ns/op + [200] entityx 200 entities component systems update 50000 22622 ns/op + [400] entityx 400 entities component systems update 50000 45560 ns/op + [800] entityx 800 entities component systems update 20000 92718 ns/op + [1600] entityx 1600 entities component systems update 10000 180159 ns/op + [3200] entityx 3200 entities component systems update 5000 360127 ns/op + [5000] entityx 5000 entities component systems update 2000 563316 ns/op + [10000] entityx 10000 entities component systems update 1000 1130659 ns/op + [30000] entityx 30000 entities component systems update 500 3431964 ns/op + [100000] entityx 100000 entities component systems update 100 11680312 ns/op + [500000] entityx 500000 entities component systems update 20 59996331 ns/op + [1000000] entityx 1000000 entities component systems update 10 128663563 ns/op + [2000000] entityx 2000000 entities component systems update 5 271582063 ns/op +./xtest 41.912s +``` +You can find EntityX [here](https://github.com/alecthomas/entityx). |