Results for 38 of 40 languages from this run on actest1.

Unavailable in this run: Hack, Lisp. Follow the run link for failure details.

Dart VS Java benchmarks

Current benchmark data was generated on Sun Sep 27 2026, full log can be found HERE

CONTRIBUTIONS are WELCOME!

[x86_64][4 cores] Intel(R) Core(TM) i7-3687U CPU @ 2.10GHz (Model 58)

* -m in a file name stands for multi-threading or multi-processing

* -i in a file name stands for direct intrinsics usage. (Usage of simd intrinsics via libraries is not counted)

* -ffi in a file name stands for non-stdlib FFI usage

* (You may find time < time(user) + time(sys) for some non-parallelized programs, the overhead is from GC or JIT compiler, which are allowed to take advantage of multi-cores as that's more close to real-world scenarios.)

binarytrees

Input: 18

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 2.java 782ms 124ms 569.1MB 957ms 133ms openjdk 21.0.12
java 2.java 1276ms 44ms 1086.4MB 900ms 603ms openjdk/zgc 21.0.12
dart 1.dart 1485ms 9.0ms 70.6MB 1513ms 33ms dart/exe 3.13.4

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 2.java 192ms 18ms 167.6MB 260ms 27ms openjdk 21.0.12
java 2.java 378ms 84ms 239.8MB 267ms 200ms openjdk/zgc 21.0.12
dart 1.dart 615ms 12ms 40.9MB 607ms 13ms dart/exe 3.13.4

coro-prime-sieve

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 1-m.java 2953ms 188ms 213.9MB 11130ms 147ms openjdk 21.0.12
java 1-m.java 3742ms 52ms 618.0MB 13450ms 670ms openjdk/zgc 21.0.12
dart 1.dart 9125ms 113ms 18.3MB 10160ms 83ms dart/exe 3.13.4

Input: 1000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 1.dart 545ms 7.6ms 9.6MB 550ms 17ms dart/exe 3.13.4
java 1-m.java 545ms 57ms 74.1MB 1767ms 40ms openjdk 21.0.12
java 1-m.java 671ms 12ms 150.9MB 1950ms 203ms openjdk/zgc 21.0.12

edigits

Input: 250001

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 1-m.java 1039ms 23ms 264.1MB 2923ms 100ms openjdk 21.0.12
java 1-m.java 1342ms 121ms 561.6MB 2910ms 410ms openjdk/zgc 21.0.12
dart 1.dart 10249ms 21ms 17.3MB 10233ms 20ms dart/exe 3.13.4

Input: 100000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 1-m.java 617ms 45ms 201.2MB 1710ms 63ms openjdk 21.0.12
java 1-m.java 714ms 118ms 215.6MB 1570ms 217ms openjdk/zgc 21.0.12
dart 1.dart 1629ms 12ms 10.3MB 1610ms 10ms dart/exe 3.13.4

fannkuch-redux

Input: 11

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 1-m.java 1447ms 19ms 48.4MB 5427ms 17ms openjdk 21.0.12
java 1-m.java 1642ms 7.4ms 44.3MB 5787ms 113ms openjdk/zgc 21.0.12
dart 2.dart 4483ms 36ms 6.2MB 4470ms 0ms dart/exe 3.13.4

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 1-m.java 248ms 7.6ms 47.8MB 690ms 23ms openjdk 21.0.12
java 1-m.java 348ms 18ms 44.1MB 810ms 93ms openjdk/zgc 21.0.12
dart 2.dart 359ms 2.6ms 5.7MB 347ms 0ms dart/exe 3.13.4

fasta

Input: 2500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 1.dart 453ms 23ms 8.5MB 443ms 0ms dart/exe 3.13.4
java 4.java 471ms 5.9ms 48.4MB 617ms 17ms openjdk 21.0.12
java 4.java 569ms 9.0ms 44.2MB 627ms 110ms openjdk/zgc 21.0.12

Input: 250000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 1.dart 52ms 3.1ms 8.5MB 40ms 0ms dart/exe 3.13.4
java 4-m.java 171ms 12ms 47.1MB 250ms 23ms openjdk 21.0.12
java 4.java 237ms 6.5ms 41.9MB 237ms 93ms openjdk/zgc 21.0.12

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 1.dart 4.6ms 0.7ms 5.6MB 0ms 0ms dart/exe 3.13.4
java 1.java 93ms 5.3ms 44.3MB 116ms 12ms openjdk 21.0.12
java 1.java 165ms 3.2ms 42.8MB 128ms 88ms openjdk/zgc 21.0.12

http-server

Input: 3000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 2-m.dart 1656ms 60ms 93.2MB 1903ms 1347ms dart/exe 3.13.4
dart 1.dart 8370ms 40ms 85.5MB 1817ms 1257ms dart/exe 3.13.4

Input: 500

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 2.dart 398ms 29ms 49.0MB 280ms 263ms dart/exe 3.13.4
dart 1.dart 2683ms 529ms 47.1MB 213ms 233ms dart/exe 3.13.4

json-serde

Input: sample 5000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 1.dart 213ms 4.2ms 51.5MB 193ms 10ms dart/exe 3.13.4

Input: canada 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 1.dart 2025ms 38ms 267.6MB 2557ms 103ms dart/exe 3.13.4

knucleotide

Input: 2500000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 3-m.java 1654ms 24ms 130.8MB 5690ms 57ms openjdk 21.0.12
dart 3-m.dart 2275ms 81ms 279.0MB 6273ms 100ms dart/exe 3.13.4
java 3-m.java 2450ms 118ms 179.0MB 8267ms 210ms openjdk/zgc 21.0.12

Input: 250000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 3-m.dart 385ms 7.1ms 185.6MB 910ms 67ms dart/exe 3.13.4
java 3-m.java 484ms 10ms 101.1MB 1473ms 50ms openjdk 21.0.12
java 3-m.java 590ms 20ms 97.4MB 1550ms 137ms openjdk/zgc 21.0.12

lru

Input: 1000 1000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 2.dart 203ms 0.9ms 8.7MB 190ms 0ms dart/exe 3.13.4
dart 1.dart 1045ms 0.8ms 8.6MB 1033ms 0ms dart/exe 3.13.4

Input: 1000 3000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 2.dart 587ms 2.0ms 9.4MB 577ms 0ms dart/exe 3.13.4
dart 1.dart 3117ms 5.0ms 8.7MB 3103ms 0ms dart/exe 3.13.4

Input: 100 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 2.dart 99ms 1.9ms 8.6MB 90ms 0ms dart/exe 3.13.4
dart 1.dart 170ms 2.9ms 8.6MB 160ms 0ms dart/exe 3.13.4

merkletrees

Input: 17

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 1.java 639ms 19ms 672.5MB 787ms 113ms openjdk 21.0.12
dart 1.dart 826ms 7.2ms 55.9MB 820ms 30ms dart/exe 3.13.4
java 1.java 1091ms 23ms 952.0MB 723ms 573ms openjdk/zgc 21.0.12

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 1-m.java 244ms 6.2ms 203.4MB 380ms 43ms openjdk 21.0.12
dart 1.dart 463ms 4.0ms 43.5MB 447ms 13ms dart/exe 3.13.4
java 1.java 494ms 111ms 341.8MB 367ms 237ms openjdk/zgc 21.0.12

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 3.dart 763ms 1.7ms 5.5MB 750ms 0ms dart/exe 3.13.4
java 1.java 836ms 7.8ms 45.3MB 903ms 20ms openjdk 21.0.12
java 1.java 948ms 8.1ms 42.6MB 943ms 97ms openjdk/zgc 21.0.12
java 2.java 2391ms 105ms 668.4MB 2600ms 133ms openjdk 21.0.12
java 2.java 4242ms 39ms 2140.1MB 3463ms 1093ms openjdk/zgc 21.0.12

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 3.dart 84ms 3.0ms 5.8MB 70ms 3ms dart/exe 3.13.4
java 1-m.java 192ms 4.7ms 45.4MB 267ms 23ms openjdk 21.0.12
java 1.java 284ms 11ms 45.1MB 267ms 110ms openjdk/zgc 21.0.12
java 2-m.java 470ms 6.5ms 319.0MB 713ms 53ms openjdk 21.0.12
java 2.java 889ms 1.9ms 558.5MB 850ms 327ms openjdk/zgc 21.0.12

pidigits

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 2.dart 1998ms 7.0ms 15.2MB 1987ms 47ms dart/exe 3.13.4
java 1.java 5357ms 89ms 417.2MB 6753ms 143ms openjdk 21.0.12
java 1.java 6538ms 393ms 2905.5MB 6313ms 1513ms openjdk/zgc 21.0.12

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 2.dart 439ms 5.3ms 15.0MB 423ms 10ms dart/exe 3.13.4
java 1-m.java 1639ms 92ms 421.6MB 2920ms 107ms openjdk 21.0.12
java 1-m.java 2264ms 50ms 1392.4MB 2540ms 883ms openjdk/zgc 21.0.12

regex-redux

Input: 2500000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 3.java 8627ms 72ms 563.4MB 9447ms 103ms openjdk 21.0.12
java 3.java 9355ms 276ms 737.5MB 9407ms 507ms openjdk/zgc 21.0.12
dart 1.dart 9757ms 76ms 187.5MB 9767ms 80ms dart/exe 3.13.4

Input: 250000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 1.dart 987ms 14ms 43.3MB 957ms 17ms dart/exe 3.13.4
java 3-m.java 1230ms 47ms 131.7MB 1947ms 43ms openjdk 21.0.12
java 3.java 1312ms 29ms 134.7MB 1800ms 130ms openjdk/zgc 21.0.12

spectral-norm

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 2-m.java 6269ms 79ms 47.7MB 24327ms 20ms openjdk 21.0.12
java 2-m.java 6422ms 61ms 45.2MB 24347ms 163ms openjdk/zgc 21.0.12
dart 2.dart 8696ms 5.2ms 6.3MB 8683ms 0ms dart/exe 3.13.4
dart 1.dart 11051ms 5.3ms 5.8MB 11040ms 0ms dart/exe 3.13.4

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 2-m.java 1680ms 11ms 46.0MB 6267ms 40ms openjdk 21.0.12
java 2-m.java 1805ms 63ms 44.1MB 6343ms 120ms openjdk/zgc 21.0.12
dart 2.dart 2185ms 2.8ms 5.7MB 2173ms 0ms dart/exe 3.13.4
dart 1.dart 2766ms 11ms 5.9MB 2757ms 0ms dart/exe 3.13.4

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 2-m.java 551ms 4.8ms 48.2MB 1853ms 20ms openjdk 21.0.12
dart 2.dart 554ms 2.3ms 5.7MB 540ms 0ms dart/exe 3.13.4
java 2-m.java 646ms 7.1ms 45.7MB 1900ms 103ms openjdk/zgc 21.0.12
dart 1.dart 701ms 3.2ms 5.8MB 690ms 0ms dart/exe 3.13.4