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ecs_bench's Introduction

Benchmarks of various Rust Entity Component Systems

Benchmarks

Benchmarks are run on Travis CI.

Benchmarks are located in benches/[bench_name]_[ecs_crate_name].rs.

Benchmark ecs specs recs trex
pos_vel build 1,951,491 ns/iter (+/- 857,043) 670,377 ns/iter (+/- 512,758) 18,996,823 ns/iter (+/- 1,069,643) 996,287 ns/iter (+/- 60,093)
pos_vel update 412,365 ns/iter (+/- 8,586) 298,299 ns/iter (+/- 49,538) 7,919,529 ns/iter (+/- 1,925,982) 227,512 ns/iter (+/- 3,805)
parallel build 1,895,539 ns/iter (+/- 58,357) 697,000 ns/iter (+/- 255,898) 37,157,731 ns/iter (+/- 2,366,647) 1,875,981 ns/iter (+/- 155,118)
parallel update 5,024,416 ns/iter (+/- 1,512,566) 351,186 ns/iter (+/- 94,830) 15,971,093 ns/iter (+/- 2,943,492) 480,172 ns/iter (+/- 102,786)

pos_vel

  • 1000 entities with position and velocity components
  • 9000 entities with position components only
  • stub render system
  • physics system: position += velocity

parallel

  • 10000 entities with 3 simple components R, W1 and W2
  • w1 system reads R and writes to W1
  • w2 system reads R and writes to W2
  • systems could be run in parallel

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