Ark
Benchmarks

Benchmarks

This chapter gives an overview of the runtime cost of typical Ark operations. All time information is per entity. All components used in the benchmarks have two int64 fields. Batch operations are performed in batches of 1000 entities.

Benchmark code: benchmark/table in the GitHub repository.

Benchmarks are run automatically in the GitHub CI, and are updated on this page on every merge into the main branch. They always reflect the latest development state of Ark.

For comparative benchmarks of different Go ECS implementations, see the go-ecs-benchmarks repository.


Last run: Wed, 01 Apr 2026 10:43:40 UTC
Version: Ark v0.8.0
Go version: 1.25.4
CPU: AMD EPYC 7763 64-Core Processor

Query

Operation Time Remark
Query.Next 0.3 ns
Query.Next + Query.Get 1 1.3 ns
Query.Next + Query.Get 2 1.4 ns
Query.Next + Query.Get 5 2.5 ns
Query.Next + Query.Entity 1.2 ns
Query.Next + Query.Relation 1.6 ns
Pos/Vel Next/Get 1.8 ns iter entities
Pos/Vel NextTable/GetColumns 0.8 ns iter tables, w/ nested loop
Filter1.Query + Query1.Close 39.7 ns
Filter1.Query + Query1.Close 41.4 ns registered filter

World access

Operation Time Remark
World.Alive 0.8 ns random, 1000 entities
Map.Get 2.6 ns random, 1000 entities
Map.GetUnchecked 2.1 ns random, 1000 entities
Map.Has 2.2 ns random, 1000 entities
Map.HasUnchecked 1.6 ns random, 1000 entities
Map5.Get 5 10.2 ns random, 1000 entities
Map5.HasAll 5 5.7 ns random, 1000 entities
Map.GetRelation 2.6 ns random, 1000 entities
Map.GetRelationUnchecked 2.1 ns random, 1000 entities

Entities

Operation Time Remark
Entity.IsZero 0.3 ns
World.NewEntity 16.2 ns memory already alloc.
Map1.NewEntityFn w/ 1 Comp 32.6 ns memory already alloc.
Map5.NewEntityFn w/ 5 Comps 50.2 ns memory already alloc.
Map1.NewEntity w/ 1 Comp 41.1 ns memory already alloc.
Map5.NewEntity w/ 5 Comps 65.0 ns memory already alloc.
World.RemoveEntity 30.2 ns
World.RemoveEntity w/ 1 Comp 35.5 ns
World.RemoveEntity w/ 5 Comps 63.5 ns

Entities, batched

Operation Time Remark
World.NewEntities 9.8 ns 1000, memory already alloc.
Map1.NewBatchFn w/ 1 Comp 10.1 ns 1000, memory already alloc.
Map5.NewBatchFn w/ 5 Comps 9.9 ns 1000, memory already alloc.
World.RemoveEntities 5.6 ns 1000
World.RemoveEntities w/ 1 Comp 6.0 ns 1000
World.RemoveEntities w/ 5 Comps 7.0 ns 1000

Components

Operation Time Remark
Map1.AddFn 1 Comp 42.2 ns memory already alloc.
Map5.AddFn 5 Comps 58.2 ns memory already alloc.
Map1.AddFn 1 to 5 Comps 113.5 ns memory already alloc.
Map1.Add 1 Comp 50.7 ns memory already alloc.
Map5.Add 5 Comps 71.9 ns memory already alloc.
Map1.Add 1 to 5 Comps 120.5 ns memory already alloc.
Map1.Remove 1 Comp 46.5 ns memory already alloc.
Map5.Remove 5 Comps 90.4 ns memory already alloc.
Map1.Remove 1 of 5 Comps 97.0 ns memory already alloc.
Exchange1.ExchangeFn 1 Comp 59.1 ns memory already alloc.
Exchange1.ExchangeFn 1 of 5 Comps 111.4 ns memory already alloc.
Exchange1.Exchange 1 Comp 65.6 ns memory already alloc.
Exchange1.Exchange 1 of 5 Comps 118.5 ns memory already alloc.

Components, batched

Operation Time Remark
Map1.AddBatchFn 1 Comp 4.8 ns 1000, memory already alloc.
Map5.AddBatchFn 5 Comps 4.9 ns 1000, memory already alloc.
Map1.AddBatchFn 1 to 5 Comps 8.3 ns 1000, memory already alloc.
Map1.RemoveBatch 1 Comp 5.2 ns 1000, memory already alloc.
Map5.RemoveBatch 5 Comps 6.6 ns 1000, memory already alloc.
Map1.RemoveBatch 1 of 5 Comps 8.0 ns 1000, memory already alloc.
Exchange1.ExchangeBatchFn 1 Comp 5.2 ns 1000, memory already alloc.
Exchange1.ExchangeBatchFn 1 of 5 Comps 7.7 ns 1000, memory already alloc.

Other

Operation Time Remark
ecs.NewWorld 19.5 μs
World.Reset 81.4 ns empty world
ecs.ComponentID 17.8 ns component already registered
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