Programming Language and compiler
Benchmarks

Dart VS C# benchmarks

Current benchmark data was generated on Tue Apr 01 2025, full log can be found HERE

CONTRIBUTIONS are WELCOME!

[x86_64][4 cores] AMD EPYC 7763 64-Core Processor (Model 1)

* -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
dart 1.dart 746ms 1.9ms 80.9MB 717ms 37ms dart/exe 3.7.2
csharp 1.cs 948ms 4.4ms 196.3MB 950ms 160ms dotnet 9.0.202
csharp 1.cs 1012ms 10ms 166.5MB 1010ms 130ms dotnet/aot 9.0.202
csharp 1.cs 1761ms 69ms 101.3MB 1963ms 233ms mono 6.12.0

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 1.dart 77ms 0.9ms 42.9MB 50ms 17ms dart/exe 3.7.2
csharp 1.cs 133ms 8.6ms 32.6MB 87ms 33ms dotnet/aot 9.0.202
csharp 1.cs 149ms 2.7ms 44.2MB 127ms 10ms mono 6.12.0
csharp 1.cs 202ms 7.8ms 51.2MB 160ms 37ms dotnet 9.0.202

coro-prime-sieve

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 1-m.cs 2276ms 132ms 52.0MB 7957ms 63ms dotnet/aot 9.0.202
csharp 1-m.cs 2746ms 47ms 67.1MB 8730ms 100ms dotnet 9.0.202
dart 1.dart 4958ms 24ms 19.3MB 5457ms 93ms dart/exe 3.7.2

Input: 1000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 1-m.cs 161ms 21ms 19.1MB 460ms 10ms dotnet/aot 9.0.202
csharp 1-m.cs 311ms 6.5ms 37.2MB 817ms 20ms dotnet 9.0.202
dart 1.dart 338ms 5.0ms 10.4MB 347ms 10ms dart/exe 3.7.2

edigits

Input: 250001

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 1.dart 3785ms 82ms 18.3MB 3750ms 40ms dart/exe 3.7.2
csharp 1.cs 4092ms 4.1ms 18.5MB 4070ms 10ms dotnet/aot 9.0.202
csharp 1.cs 4965ms 21ms 37.6MB 4930ms 20ms dotnet 9.0.202

Input: 100000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 1.dart 609ms 3.4ms 10.3MB 587ms 17ms dart/exe 3.7.2
csharp 1.cs 680ms 1.8ms 14.5MB 660ms 3ms dotnet/aot 9.0.202
csharp 1.cs 860ms 2.1ms 33.9MB 840ms 13ms dotnet 9.0.202

fannkuch-redux

Input: 11

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 2.dart 2718ms 16ms 6.3MB 2710ms 0ms dart/exe 3.7.2

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 2.dart 224ms 3.1ms 6.3MB 213ms 0ms dart/exe 3.7.2

fasta

Input: 2500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 5-m.cs 128ms 3.9ms 25.0MB 347ms 97ms dotnet/aot 9.0.202
csharp 5-m.cs 194ms 5.8ms 38.8MB 470ms 120ms dotnet 9.0.202
csharp 5-m.cs 253ms 7.3ms 45.3MB 683ms 137ms mono 6.12.0
dart 1.dart 368ms 16ms 8.9MB 357ms 0ms dart/exe 3.7.2

Input: 250000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 5-m.cs 25ms 0.3ms 16.0MB 33ms 13ms dotnet/aot 9.0.202
dart 1.dart 47ms 7.3ms 8.6MB 33ms 0ms dart/exe 3.7.2
csharp 5-m.cs 63ms 3.1ms 37.1MB 87ms 20ms dotnet 9.0.202
csharp 5-m.cs 73ms 2.6ms 32.0MB 103ms 23ms mono 6.12.0

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 1.dart 3.7ms 0.4ms 6.3MB 0ms 0ms dart/exe 3.7.2
csharp 1.cs 10.0ms 3.3ms 9.4MB 0ms 0ms dotnet/aot 9.0.202
csharp 1.cs 31ms 0.8ms 21.3MB 20ms 0ms mono 6.12.0
csharp 1.cs 36ms 0.4ms 26.3MB 20ms 6ms dotnet 9.0.202

http-server

Input: 3000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 2-http2.cs 519ms 5.0ms 108.6MB 747ms 143ms dotnet 9.0.202
csharp 2-m.cs 607ms 21ms 141.6MB 753ms 557ms dotnet 9.0.202
csharp 2-http3.cs 677ms 3.9ms 143.1MB 1103ms 263ms dotnet 9.0.202
csharp 1-m.cs 752ms 8.4ms 176.0MB 1153ms 747ms dotnet 9.0.202
dart 2-m.dart 1437ms 40ms 95.8MB 1333ms 1600ms dart/exe 3.7.2
dart 1.dart 4553ms 55ms 97.5MB 1577ms 1797ms dart/exe 3.7.2

Input: 500

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 2-m.dart 263ms 12ms 50.0MB 177ms 300ms dart/exe 3.7.2
csharp 2-m.cs 361ms 10ms 87.5MB 397ms 183ms dotnet 9.0.202
csharp 1-m.cs 385ms 6.8ms 97.4MB 533ms 217ms dotnet 9.0.202
csharp 2-http2.cs 451ms 1.8ms 86.1MB 493ms 100ms dotnet 9.0.202
csharp 2-http3.cs 498ms 9.0ms 93.5MB 590ms 110ms dotnet 9.0.202
dart 1.dart 2004ms 495ms 50.1MB 170ms 260ms dart/exe 3.7.2

json-serde

Input: sample 5000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 1.dart 164ms 1.9ms 53.3MB 137ms 17ms dart/exe 3.7.2
csharp 2.cs 309ms 3.1ms 69.0MB 280ms 27ms dotnet 9.0.202
csharp 1.cs 717ms 4.5ms 143.8MB 737ms 90ms dotnet 9.0.202

Input: canada 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 2.cs 1489ms 10ms 236.1MB 1653ms 90ms dotnet 9.0.202
dart 1.dart 1495ms 22ms 206.0MB 1753ms 107ms dart/exe 3.7.2
csharp 1.cs 2784ms 150ms 741.8MB 3287ms 450ms dotnet 9.0.202

knucleotide

Input: 2500000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 6-m.cs 455ms 5.5ms 46.4MB 1213ms 20ms dotnet/aot 9.0.202
csharp 6-m.cs 762ms 49ms 68.5MB 2093ms 33ms dotnet 9.0.202
csharp 6-m.cs 1027ms 49ms 70.1MB 2953ms 23ms mono 6.12.0
dart 3-m.dart 1186ms 78ms 274.5MB 3443ms 107ms dart/exe 3.7.2

Input: 250000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 6-m.cs 89ms 1.8ms 36.6MB 147ms 13ms dotnet/aot 9.0.202
csharp 6-m.cs 179ms 7.8ms 57.9MB 277ms 27ms dotnet 9.0.202
csharp 6-m.cs 194ms 1.2ms 50.4MB 380ms 17ms mono 6.12.0
dart 3-m.dart 207ms 2.8ms 187.3MB 523ms 60ms dart/exe 3.7.2

lru

Input: 1000 1000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 2.cs 96ms 1.4ms 9.9MB 80ms 0ms dotnet/aot 9.0.202
csharp 2.cs 151ms 1.3ms 21.1MB 137ms 0ms mono 6.12.0
dart 2.dart 168ms 1.3ms 9.3MB 160ms 0ms dart/exe 3.7.2
csharp 2.cs 252ms 3.5ms 29.5MB 237ms 10ms dotnet 9.0.202
dart 1.dart 493ms 1.9ms 9.1MB 480ms 0ms dart/exe 3.7.2
csharp 1.cs 1047ms 8.8ms 13.1MB 1030ms 3ms dotnet/aot 9.0.202
csharp 1.cs 1338ms 47ms 32.4MB 1330ms 10ms dotnet 9.0.202
csharp 1.cs 3356ms 34ms 45.5MB 3303ms 40ms mono 6.12.0

Input: 1000 3000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 2.cs 273ms 2.6ms 9.6MB 260ms 0ms dotnet/aot 9.0.202
csharp 2.cs 361ms 2.6ms 22.6MB 350ms 0ms mono 6.12.0
csharp 2.cs 405ms 5.7ms 29.4MB 390ms 10ms dotnet 9.0.202
dart 2.dart 482ms 3.7ms 9.1MB 473ms 0ms dart/exe 3.7.2
dart 1.dart 1452ms 7.2ms 9.3MB 1433ms 7ms dart/exe 3.7.2
csharp 1.cs 3129ms 26ms 13.1MB 3100ms 13ms dotnet/aot 9.0.202
csharp 1.cs 3666ms 77ms 33.0MB 3643ms 20ms dotnet 9.0.202
csharp 1.cs timeout 0.0ms 45.6MB 4947ms 47ms mono 6.12.0

Input: 100 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 2.cs 54ms 0.1ms 9.8MB 40ms 0ms dotnet/aot 9.0.202
dart 2.dart 80ms 0.7ms 9.5MB 70ms 0ms dart/exe 3.7.2
csharp 2.cs 94ms 2.2ms 22.8MB 80ms 0ms mono 6.12.0
dart 1.dart 113ms 2.1ms 8.8MB 103ms 0ms dart/exe 3.7.2
csharp 2.cs 167ms 1.7ms 29.3MB 147ms 10ms dotnet 9.0.202
csharp 1.cs 1640ms 13ms 32.5MB 1623ms 10ms dotnet 9.0.202
csharp 1.cs 1819ms 22ms 12.9MB 1797ms 0ms dotnet/aot 9.0.202
csharp 1.cs 1822ms 11ms 28.8MB 1810ms 0ms mono 6.12.0

merkletrees

Input: 17

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 1.dart 317ms 5.5ms 63.9MB 290ms 27ms dart/exe 3.7.2
csharp 2.cs 566ms 11ms 120.7MB 500ms 93ms dotnet/aot 9.0.202
csharp 1.cs 614ms 8.4ms 150.1MB 553ms 133ms dotnet/aot 9.0.202
csharp 2.cs 668ms 5.9ms 137.7MB 627ms 87ms dotnet 9.0.202
csharp 1.cs 751ms 3.6ms 165.4MB 690ms 133ms dotnet 9.0.202
csharp 1.cs 1334ms 44ms 144.1MB 1567ms 170ms mono 6.12.0

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 1.dart 85ms 0.9ms 43.8MB 60ms 10ms dart/exe 3.7.2
csharp 2.cs 137ms 4.4ms 58.4MB 100ms 40ms dotnet/aot 9.0.202
csharp 1.cs 159ms 9.7ms 74.8MB 123ms 50ms dotnet/aot 9.0.202
csharp 2.cs 256ms 2.1ms 74.6MB 227ms 37ms dotnet 9.0.202
csharp 1.cs 267ms 5.4ms 69.4MB 240ms 33ms mono 6.12.0
csharp 1.cs 281ms 2.4ms 91.4MB 240ms 70ms dotnet 9.0.202

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 9.cs 363ms 4.2ms 27.6MB 343ms 3ms dotnet 9.0.202
csharp 8.cs 373ms 1.9ms 9.9MB 360ms 0ms dotnet/aot 9.0.202
dart 3.dart 408ms 2.1ms 6.1MB 397ms 0ms dart/exe 3.7.2
csharp 8.cs 421ms 0.6ms 27.6MB 400ms 10ms dotnet 9.0.202
csharp 8.cs 1251ms 3.3ms 22.1MB 1233ms 0ms mono 6.12.0

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 8.cs 45ms 1.4ms 9.9MB 30ms 0ms dotnet/aot 9.0.202
dart 3.dart 47ms 0.5ms 6.3MB 40ms 0ms dart/exe 3.7.2
csharp 9.cs 95ms 3.9ms 27.8MB 73ms 10ms dotnet 9.0.202
csharp 8.cs 95ms 0.2ms 27.6MB 77ms 10ms dotnet 9.0.202
csharp 8.cs 165ms 1.8ms 22.4MB 153ms 0ms mono 6.12.0

pidigits

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 2.dart 1344ms 9.8ms 14.9MB 1310ms 30ms dart/exe 3.7.2
csharp 1.cs 3238ms 14ms 13.9MB 3137ms 97ms dotnet/aot 9.0.202
csharp 1.cs 3641ms 68ms 38.0MB 3640ms 113ms dotnet 9.0.202

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
dart 2.dart 337ms 6.1ms 14.6MB 320ms 10ms dart/exe 3.7.2
csharp 1.cs 756ms 7.3ms 13.5MB 720ms 23ms dotnet/aot 9.0.202
csharp 1.cs 998ms 15ms 37.6MB 1087ms 33ms dotnet 9.0.202

regex-redux

Input: 2500000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 6.cs 1762ms 13ms 420.4MB 1653ms 160ms dotnet/aot 9.0.202
csharp 5.cs 2063ms 24ms 445.4MB 2100ms 187ms dotnet 9.0.202
csharp 6.cs 2732ms 51ms 441.4MB 2680ms 177ms dotnet 9.0.202
csharp 5.cs 4329ms 64ms 419.8MB 4230ms 153ms dotnet/aot 9.0.202
dart 1.dart timeout 0.0ms 188.3MB 4987ms 47ms dart/exe 3.7.2

Input: 250000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 6.cs 190ms 3.1ms 47.4MB 167ms 13ms dotnet/aot 9.0.202
csharp 5.cs 294ms 7.6ms 72.7MB 267ms 33ms dotnet 9.0.202
csharp 6.cs 393ms 5.1ms 69.8MB 357ms 33ms dotnet 9.0.202
csharp 5.cs 455ms 10ms 48.0MB 433ms 17ms dotnet/aot 9.0.202
dart 1.dart 566ms 4.3ms 43.2MB 550ms 7ms dart/exe 3.7.2

spectral-norm

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 3-m.cs 1864ms 3.2ms 10.6MB 7257ms 10ms dotnet/aot 9.0.202
csharp 3-m.cs 2008ms 131ms 30.1MB 7223ms 17ms dotnet 9.0.202
dart 1.dart 3771ms 9.4ms 6.5MB 3760ms 0ms dart/exe 3.7.2
dart 2.dart 4352ms 14ms 6.4MB 4343ms 0ms dart/exe 3.7.2
csharp 3-m.cs 4633ms 30ms 24.9MB 17887ms 23ms mono 6.12.0

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 3-m.cs 477ms 1.9ms 10.3MB 1807ms 3ms dotnet/aot 9.0.202
csharp 3-m.cs 535ms 1.5ms 30.0MB 1870ms 17ms dotnet 9.0.202
dart 1.dart 945ms 2.3ms 6.3MB 937ms 0ms dart/exe 3.7.2
dart 2.dart 1096ms 6.4ms 6.1MB 1087ms 0ms dart/exe 3.7.2
csharp 3-m.cs 1312ms 112ms 24.4MB 4640ms 13ms mono 6.12.0

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 3-m.cs 129ms 1.2ms 10.6MB 447ms 3ms dotnet/aot 9.0.202
csharp 3-m.cs 178ms 1.4ms 28.3MB 507ms 10ms dotnet 9.0.202
dart 1.dart 241ms 0.7ms 6.3MB 230ms 0ms dart/exe 3.7.2
dart 2.dart 282ms 1.1ms 6.2MB 270ms 0ms dart/exe 3.7.2
csharp 3-m.cs 348ms 2.9ms 25.6MB 1167ms 10ms mono 6.12.0