v2_perf_results.md

Creating entities

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Entity creation, empty (n = 1000000):

Framework	Measurement
EnTT	0.003885
EnTT	0.002851 (batching)
Flecs	0.002183
Flecs	0.000002 (batching)

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Entity creation, 1 component (n = 1000000):

Framework	Measurement
EnTT	0.020763
EnTT	0.016105 (prealloc)
EnTT	0.019004 (batching)
EnTT	0.016014 (batching, prealloc)
Flecs	0.054010
Flecs	0.041535 (prealloc)
Flecs	0.015325 (batching)
Flecs	0.008733 (batching, prealloc)

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Entity creation, 2 component (n = 1000000):

Framework	Measurement
EnTT	0.040723
EnTT	0.072564 (group)
EnTT	0.029323 (prealloc)
EnTT	0.037582 (batching)
EnTT	0.028950 (batching, prealloc)
EnTT	0.061740 (group, batch, prealloc)
Flecs	0.059002
Flecs	0.045178 (prealloc)
Flecs	0.016150 (batching)
Flecs	0.008996 (batching, prealloc)

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Entity creation, 3 component (n = 1000000):

Framework	Measurement
EnTT	0.060736
EnTT	0.116404 (group)
EnTT	0.056754 (batching)
EnTT	0.046042 (prealloc)
EnTT	0.043656 (batching, prealloc)
EnTT	0.097455 (group, batch, prealloc)
Flecs	0.067269
Flecs	0.051793 (prealloc)
Flecs	0.016733 (batching)
Flecs	0.008611 (batching, prealloc)

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Entity deletion, 1 component (n = 1000000):

Framework	Measurement
EnTT	0.010586
Flecs	0.039347

Adding & removing components

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Add one component (n = 1000000):

Framework	Measurement
EnTT	0.011405
Flecs	0.045979
Flecs	0.041949 (new w/component)
Flecs	0.062620 (to existing)
Flecs	0.004899 (to existing, bulk)

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Add two components (n = 1000000):

Framework	Measurement
EnTT	0.026182
EnTT	0.049856 (group)
Flecs	0.104675
Flecs	0.050565 (w/type)
Flecs	0.004963 (to existing, bulk)

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Add three components (n = 1000000):

Framework	Measurement
EnTT	0.038701
EnTT	0.081539 (group)
Flecs	0.182875
Flecs	0.057925 (w/type)
Flecs	0.005445 (to existing, bulk)

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Add four components (n = 1000000):

Framework	Measurement
EnTT	0.050804
EnTT	0.123943 (group)
Flecs	0.281679
Flecs	0.083186 (w/type)

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Remove one component (n = 1000000):

Framework	Measurement
EnTT	0.006571
EnTT	0.006435 (2 components)
EnTT	0.031558 (2 components, group)
Flecs	0.043705
Flecs	0.076521 (2 components)
Flecs	0.008093 (2 components, bulk)

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Remove two components (n = 1000000):

Framework	Measurement
EnTT	0.015961
EnTT	0.044271 (group)
Flecs	0.099121
Flecs	0.045020 (w/type)

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Remove three components (n = 1000000):

Framework	Measurement
EnTT	0.027496
EnTT	0.063556 (group)
Flecs	0.174181
Flecs	0.052527 (w/type)

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Remove four components (n = 1000000):

Framework	Measurement
EnTT	0.043570
EnTT	0.094226 (group)
Flecs	0.251029
Flecs	0.056783 (w/type)

Iterating over entities with systems

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Iterate, one component (n = 1000000):

Framework	Measurement
EnTT	0.000302 (view)
Flecs	0.000312

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Iterate, two components (n = 1000000):

Framework	Measurement
EnTT	0.001328 (view)
EnTT	0.000451 (group, owning)
Flecs	0.000501

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Iterate, two components, eight types (n = 1000000):

Framework	Measurement
EnTT	0.001341 (view)
EnTT	0.000450 (group, owning)
Flecs	0.000421

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Iterate, two components, eight types, four matching (n = 1000000):

Framework	Measurement
EnTT	0.002415 (view)
EnTT	0.000414 (group, owning)
Flecs	0.000432

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Iterate, three components (n = 1000000):

Framework	Measurement
EnTT	0.002078 (view)
EnTT	0.000683 (group, owning)
Flecs	0.000624

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Iterate, three components, two types (n = 1000000):

Framework	Measurement
EnTT	0.001672 (view)
EnTT	0.000686 (group, owning)
Flecs	0.005800

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Iterate, three components, eight types (n = 1000000):

Framework	Measurement
EnTT	0.001957 (view)
EnTT	0.000676 (group, owning)
Flecs	0.010478

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Iterate, three components, eight types, four matching (n = 1000000):

Framework	Measurement
EnTT	0.003991 (view)
EnTT	0.000744 (group, owning)
Flecs	0.010096

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Iterate, four components, eight types (n = 1000000):

Framework	Measurement
EnTT	0.001982 (view)
EnTT	0.000869 (group, owning)
Flecs	0.018458

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Iterate, four components, eight types, four matching (n = 1000000):

Framework	Measurement
EnTT	0.003833 (view)
EnTT	0.000865 (group, owning)
Flecs	0.017845

Ten randomized components

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Pathological, one component, 1024 types (n = 1000000):

Framework	Measurement
EnTT	0.000300 (view)
Flecs	0.000335

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Pathological, two components, 1024 types (n = 1000000):

Framework	Measurement
EnTT	0.001322 (view)
EnTT	0.000423 (group, owning)
Flecs	0.000576

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Pathological, three components, 1024 types (n = 1000000):

Framework	Measurement
EnTT	0.001964 (view)
EnTT	0.000681 (group, owning)
Flecs	0.000910

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Pathological, four components, 1024 types (n = 1000000):

Framework	Measurement
EnTT	0.003135 (view)
EnTT	0.000859 (group, owning)
Flecs	0.001155