Cellular Automatons on Rust (Rayon-CA)

High-performance Conway's Game of Life implementation in Rust with CLI, WebP animation export.

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Conway's game of life

Corridors generator mk2

Installation

CLI Installation

cargo install rayon-ca --features cli

Cargo Crate Installation (Lib for integration)

cargo add rayon-ca

Milestones

• Lib
  • Optimizations
  • Rules/Strats
• CLI
• Cargo Crate
  • Godot lib (or just implementation in HOA game)
  • CApi dll lib for BYOND and any other.

Benchmark

Tests name format: test{order_id}_{steps}_{Width}x{Height}.

running 10 tests
test automaton::tests::test11_100 ... 100 200 100 100
Test 0: 0.037s (0.200s): OK
test automaton::tests::test12_100_200x200 ... 100 400 200 200
Test 0: 0.089s (0.400s): OK
test automaton::tests::test13_100_300x300 ... 100 1500 300 300
Test 0: 0.180s (1.500s): OK
test automaton::tests::test14_100_400x400 ... 100 2000 400 400
Test 0: 0.332s (2.000s): OK
test automaton::tests::test15_100_1000x1000 ... 100 20000 1000 1000
Test 0: 1.949s (20.000s): OK
test automaton::tests::test21_1000 ... 1000 1500 100 100
Test 0: 0.184s (1.500s): OK
test automaton::tests::test22_1000_200x200 ... 1000 3500 200 200
Test 0: 0.807s (3.500s): OK
test automaton::tests::test31_50_100x100 ... 50 100 100 100
Test 0: 0.008s (0.100s): OK
test automaton::tests::test32_50_200x200 ... 50 300 200 200
Test 0: 0.043s (0.300s): OK
test automaton::tests::test33_50_1000x1000 ... 50 15000 1000 1000
Test 0: 1.040s (15.000s): OK

Vec vs HashMap

Vec<Vec<i32>> result

running 10 tests
test automaton::tests::test11_100 ... 100 200 100 100
Test 0: 0.037s (0.200s): OK
test automaton::tests::test12_100_200x200 ... 100 400 200 200
Test 0: 0.089s (0.400s): OK
test automaton::tests::test13_100_300x300 ... 100 1500 300 300
Test 0: 0.180s (1.500s): OK
test automaton::tests::test14_100_400x400 ... 100 2000 400 400
Test 0: 0.332s (2.000s): OK
test automaton::tests::test15_100_1000x1000 ... 100 20000 1000 1000
Test 0: 1.949s (20.000s): OK
test automaton::tests::test21_1000 ... 1000 1500 100 100
Test 0: 0.184s (1.500s): OK
test automaton::tests::test22_1000_200x200 ... 1000 3500 200 200
Test 0: 0.807s (3.500s): OK
test automaton::tests::test31_50_100x100 ... 50 100 100 100
Test 0: 0.008s (0.100s): OK
test automaton::tests::test32_50_200x200 ... 50 300 200 200
Test 0: 0.043s (0.300s): OK
test automaton::tests::test33_50_1000x1000 ... 50 15000 1000 1000
Test 0: 1.040s (15.000s): OK

HashMap<(u32, u32), i32> result

running 10 tests
test automaton::tests::test11_100 ... 100 200 100 100
Test 0: 0.069s (0.200s): OK
test automaton::tests::test12_100_200x200 ... 100 400 200 200
Test 0: 0.257s (0.400s): OK
test automaton::tests::test13_100_300x300 ... 100 1500 300 300
Test 0: 0.657s (1.500s): OK
test automaton::tests::test14_100_400x400 ... 100 2000 400 400
Test 0: 1.245s (2.000s): OK
test automaton::tests::test15_100_1000x1000 ... 100 20000 1000 1000
Test 0: 12.712s (20.000s): OK
test automaton::tests::test21_1000 ... 1000 1500 100 100
Test 0: 0.682s (1.500s): OK
test automaton::tests::test22_1000_200x200 ... 1000 3500 200 200
Test 0: 2.559s (3.500s): OK
test automaton::tests::test31_50_100x100 ... 50 100 100 100
Test 0: 0.031s (0.100s): OK
test automaton::tests::test32_50_200x200 ... 50 300 200 200
Test 0: 0.155s (0.300s): OK
test automaton::tests::test33_50_1000x1000 ... 50 15000 1000 1000
Test 0: 5.846s (15.000s): OK

Conclusion

AS EXPECTED: Linear 2D Vec matrix is faster than hashmap with all it's tuples, unwraps and hashing.

Plot of Hashmap implementation time divided by Vec implementation time. (Pairs sorted by hashmap time, see notebook)

Vec vs Rayon threading Vec

running 10 tests
test automaton::tests::test11_100 ... 100 200 100 100
Test 0: 0.012s (0.200s): OK
test automaton::tests::test12_100_200x200 ... 100 400 200 200
Test 0: 0.038s (0.400s): OK
test automaton::tests::test13_100_300x300 ... 100 1500 300 300
Test 0: 0.075s (1.500s): OK
test automaton::tests::test14_100_400x400 ... 100 2000 400 400
Test 0: 0.125s (2.000s): OK
test automaton::tests::test15_100_1000x1000 ... 100 20000 1000 1000
Test 0: 0.593s (20.000s): OK
test automaton::tests::test21_1000 ... 1000 1500 100 100
Test 0: 0.112s (1.500s): OK
test automaton::tests::test22_1000_200x200 ... 1000 3500 200 200
Test 0: 0.303s (3.500s): OK
test automaton::tests::test31_50_100x100 ... 50 100 100 100
Test 0: 0.005s (0.100s): OK
test automaton::tests::test32_50_200x200 ... 50 300 200 200
Test 0: 0.016s (0.300s): OK
test automaton::tests::test33_50_1000x1000 ... 50 15000 1000 1000
Test 0: 0.346s (15.000s): OK