Haxe VS C# benchmarks

Current benchmark data was generated on Sun Jun 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
csharp 1.cs 901ms 14ms 197.1MB 893ms 147ms dotnet 9.0.300
csharp 1.cs 1061ms 140ms 164.4MB 963ms 127ms dotnet/aot 9.0.300
haxe 1.hx 1321ms 15ms 143.9MB 1510ms 67ms haxe/cpp 4.3.6
csharp 1.cs 1725ms 105ms 103.6MB 1900ms 227ms mono 6.12.0
haxe 2.hx 4384ms 33ms 495.3MB 4913ms 253ms haxe/cpp 4.3.6
haxe 1.hx timeout 0.0ms 48.6MB 5477ms 433ms haxe/hl/c 4.3.6
haxe 2.hx timeout 0.0ms 83.0MB 4890ms 730ms haxe/hl/c 4.3.6
haxe 1.hx timeout 0.0ms 51.1MB 7413ms 413ms haxe/hl/jit 1.15.0
haxe 2.hx timeout 0.0ms 130.9MB 7360ms 757ms haxe/hl/jit 1.15.0

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
haxe 1.hx 92ms 2.1ms 25.6MB 90ms 10ms haxe/cpp 4.3.6
csharp 1.cs 141ms 1.3ms 46.1MB 120ms 10ms mono 6.12.0
csharp 1.cs 175ms 44ms 31.8MB 100ms 33ms dotnet/aot 9.0.300
csharp 1.cs 191ms 4.8ms 49.7MB 147ms 37ms dotnet 9.0.300
haxe 2.hx 398ms 1.3ms 58.3MB 427ms 23ms haxe/cpp 4.3.6
haxe 1.hx 637ms 1.2ms 8.8MB 613ms 43ms haxe/hl/c 4.3.6
haxe 1.hx 671ms 6.2ms 11.2MB 740ms 53ms haxe/hl/jit 1.15.0
haxe 2.hx 918ms 2.5ms 13.7MB 813ms 147ms haxe/hl/c 4.3.6
haxe 2.hx 922ms 6.6ms 25.0MB 903ms 157ms haxe/hl/jit 1.15.0

fasta

Input: 2500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 5-m.cs 124ms 7.2ms 23.0MB 350ms 80ms dotnet/aot 9.0.300
csharp 5-m.cs 190ms 9.8ms 39.9MB 463ms 120ms dotnet 9.0.300
csharp 5-m.cs 234ms 8.5ms 37.7MB 657ms 93ms mono 6.12.0
haxe 1.hx 2367ms 6.2ms 25.6MB 2263ms 190ms haxe/cpp 4.3.6
haxe 1.hx timeout 0.0ms 3.2MB 4363ms 863ms haxe/hl/c 4.3.6
haxe 1.hx timeout 0.0ms 3.6MB 4433ms 817ms haxe/hl/jit 1.15.0

Input: 250000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 5-m.cs 25ms 0.5ms 16.0MB 30ms 10ms dotnet/aot 9.0.300
csharp 5-m.cs 63ms 2.5ms 37.0MB 83ms 17ms dotnet 9.0.300
csharp 5-m.cs 72ms 3.0ms 29.5MB 103ms 20ms mono 6.12.0
haxe 1.hx 250ms 3.7ms 25.6MB 223ms 27ms haxe/cpp 4.3.6
haxe 1.hx 653ms 8.5ms 3.3MB 567ms 107ms haxe/hl/c 4.3.6
haxe 1.hx 683ms 11ms 3.9MB 600ms 103ms haxe/hl/jit 1.15.0

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
haxe 1.hx 2.1ms 0.2ms 2.9MB 0ms 0ms haxe/hl/c 4.3.6
haxe 1.hx 2.3ms 0.2ms 4.5MB 0ms 0ms haxe/cpp 4.3.6
haxe 1.hx 3.5ms 0.4ms 2.8MB 0ms 0ms haxe/hl/jit 1.15.0
csharp 1.cs 7.8ms 2.1ms 9.5MB 0ms 0ms dotnet/aot 9.0.300
csharp 1.cs 30ms 0.5ms 21.7MB 18ms 2ms mono 6.12.0
csharp 1.cs 34ms 1.1ms 26.1MB 20ms 2ms dotnet 9.0.300

lru

Input: 1000 1000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 2.cs 94ms 4.1ms 9.9MB 83ms 0ms dotnet/aot 9.0.300
haxe 1.hx 135ms 1.8ms 20.5MB 120ms 3ms haxe/cpp 4.3.6
haxe 1.hx 136ms 1.7ms 3.1MB 127ms 0ms haxe/hl/c 4.3.6
csharp 2.cs 150ms 2.5ms 23.2MB 133ms 3ms mono 6.12.0
haxe 1.hx 156ms 2.5ms 3.8MB 150ms 0ms haxe/hl/jit 1.15.0
csharp 2.cs 253ms 4.8ms 29.4MB 237ms 10ms dotnet 9.0.300
csharp 1.cs 1037ms 9.2ms 13.0MB 1020ms 3ms dotnet/aot 9.0.300
csharp 1.cs 1324ms 54ms 32.8MB 1313ms 13ms dotnet 9.0.300
csharp 1.cs 3334ms 47ms 43.8MB 3287ms 37ms mono 6.12.0

Input: 1000 3000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 2.cs 263ms 4.6ms 9.8MB 250ms 0ms dotnet/aot 9.0.300
csharp 2.cs 362ms 2.4ms 23.2MB 350ms 0ms mono 6.12.0
haxe 1.hx 381ms 3.1ms 25.8MB 367ms 3ms haxe/cpp 4.3.6
haxe 1.hx 396ms 2.2ms 3.0MB 383ms 0ms haxe/hl/c 4.3.6
csharp 2.cs 403ms 4.6ms 29.3MB 387ms 10ms dotnet 9.0.300
haxe 1.hx 453ms 3.7ms 3.8MB 443ms 0ms haxe/hl/jit 1.15.0
csharp 1.cs 3102ms 23ms 13.4MB 3080ms 7ms dotnet/aot 9.0.300
csharp 1.cs 3566ms 25ms 32.8MB 3547ms 20ms dotnet 9.0.300
csharp 1.cs timeout 0.0ms 49.8MB 4947ms 43ms mono 6.12.0

Input: 100 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 2.cs 49ms 0.8ms 9.6MB 40ms 0ms dotnet/aot 9.0.300
haxe 1.hx 63ms 1.0ms 12.3MB 50ms 0ms haxe/cpp 4.3.6
haxe 1.hx 68ms 1.6ms 3.0MB 60ms 0ms haxe/hl/c 4.3.6
haxe 1.hx 77ms 0.4ms 3.6MB 70ms 0ms haxe/hl/jit 1.15.0
csharp 2.cs 92ms 2.6ms 22.8MB 83ms 0ms mono 6.12.0
csharp 2.cs 166ms 5.8ms 29.4MB 140ms 10ms dotnet 9.0.300
csharp 1.cs 1611ms 4.6ms 32.6MB 1603ms 10ms dotnet 9.0.300
csharp 1.cs 1815ms 5.9ms 12.9MB 1797ms 0ms dotnet/aot 9.0.300
csharp 1.cs 1829ms 5.2ms 28.9MB 1813ms 0ms mono 6.12.0

merkletrees

Input: 17

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 2.cs 525ms 14ms 120.6MB 483ms 83ms dotnet/aot 9.0.300
csharp 1.cs 577ms 8.1ms 144.9MB 530ms 113ms dotnet/aot 9.0.300
csharp 2.cs 666ms 14ms 136.1MB 620ms 100ms dotnet 9.0.300
csharp 1.cs 749ms 4.3ms 166.8MB 690ms 137ms dotnet 9.0.300
haxe 1.hx 904ms 6.1ms 94.9MB 990ms 47ms haxe/cpp 4.3.6
csharp 1.cs 1280ms 4.1ms 144.6MB 1447ms 180ms mono 6.12.0
haxe 1.hx timeout 0.0ms 32.6MB 4917ms 523ms haxe/hl/c 4.3.6
haxe 1.hx timeout 0.0ms 57.0MB 5810ms 497ms haxe/hl/jit 1.15.0

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 2.cs 127ms 4.7ms 57.1MB 100ms 30ms dotnet/aot 9.0.300
csharp 1.cs 154ms 5.1ms 74.8MB 123ms 50ms dotnet/aot 9.0.300
haxe 1.hx 170ms 3.1ms 26.6MB 173ms 10ms haxe/cpp 4.3.6
csharp 2.cs 262ms 8.0ms 75.8MB 220ms 43ms dotnet 9.0.300
csharp 1.cs 264ms 2.4ms 69.4MB 240ms 33ms mono 6.12.0
csharp 1.cs 276ms 3.6ms 93.0MB 247ms 53ms dotnet 9.0.300
haxe 1.hx 1298ms 40ms 20.3MB 1337ms 120ms haxe/hl/jit 1.15.0
haxe 1.hx 1307ms 5.9ms 10.8MB 1263ms 133ms haxe/hl/c 4.3.6

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 9.cs 360ms 3.8ms 27.9MB 340ms 10ms dotnet 9.0.300
csharp 8.cs 370ms 3.3ms 9.9MB 360ms 0ms dotnet/aot 9.0.300
csharp 8.cs 419ms 1.1ms 27.6MB 400ms 3ms dotnet 9.0.300
haxe 2.hx 856ms 5.0ms 3.0MB 843ms 0ms haxe/hl/c 4.3.6
haxe 1.hx 1068ms 2.6ms 3.0MB 1057ms 0ms haxe/hl/c 4.3.6
csharp 8.cs 1252ms 4.8ms 22.3MB 1237ms 0ms mono 6.12.0
haxe 3.hx 1384ms 8.3ms 25.6MB 1513ms 33ms haxe/cpp 4.3.6
haxe 2.hx 2410ms 13ms 3.6MB 2400ms 0ms haxe/hl/jit 1.15.0
haxe 1.hx 2467ms 0.4ms 3.6MB 2460ms 0ms haxe/hl/jit 1.15.0
haxe 1.hx timeout 0.0ms 4.5MB 4990ms 0ms haxe/cpp 4.3.6
haxe 2.hx timeout 0.0ms 4.5MB 4990ms 0ms haxe/cpp 4.3.6
haxe 3.hx timeout 0.0ms 3.3MB 3920ms 1600ms haxe/hl/c 4.3.6
haxe 3.hx timeout 0.0ms 4.0MB 4170ms 1310ms haxe/hl/jit 1.15.0

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 8.cs 44ms 0.2ms 9.9MB 30ms 0ms dotnet/aot 9.0.300
haxe 2.hx 88ms 0.6ms 3.0MB 80ms 0ms haxe/hl/c 4.3.6
csharp 9.cs 93ms 3.0ms 27.6MB 73ms 7ms dotnet 9.0.300
csharp 8.cs 95ms 2.3ms 27.6MB 77ms 3ms dotnet 9.0.300
haxe 1.hx 111ms 0.5ms 3.0MB 100ms 0ms haxe/hl/c 4.3.6
haxe 3.hx 154ms 1.9ms 25.6MB 147ms 13ms haxe/cpp 4.3.6
csharp 8.cs 161ms 0.7ms 22.4MB 147ms 0ms mono 6.12.0
haxe 2.hx 245ms 0.1ms 3.6MB 233ms 0ms haxe/hl/jit 1.15.0
haxe 1.hx 255ms 2.4ms 3.6MB 247ms 0ms haxe/hl/jit 1.15.0
haxe 3.hx 669ms 2.7ms 3.1MB 513ms 213ms haxe/hl/c 4.3.6
haxe 2.hx 674ms 6.4ms 4.4MB 667ms 0ms haxe/cpp 4.3.6
haxe 3.hx 781ms 7.2ms 3.8MB 637ms 207ms haxe/hl/jit 1.15.0
haxe 1.hx 811ms 1.5ms 4.4MB 800ms 0ms haxe/cpp 4.3.6

spectral-norm

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 3-m.cs 1881ms 41ms 10.4MB 7243ms 7ms dotnet/aot 9.0.300
csharp 3-m.cs 1938ms 34ms 29.9MB 7323ms 20ms dotnet 9.0.300
haxe 1.hx 3896ms 11ms 3.3MB 3883ms 0ms haxe/hl/c 4.3.6
csharp 3-m.cs 4838ms 168ms 25.5MB 18427ms 13ms mono 6.12.0
haxe 1.hx timeout 0.0ms 7.0MB 4990ms 0ms haxe/cpp 4.3.6
haxe 1.hx timeout 0.0ms 3.9MB 4990ms 0ms haxe/hl/jit 1.15.0

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 3-m.cs 475ms 1.3ms 10.5MB 1813ms 0ms dotnet/aot 9.0.300
csharp 3-m.cs 529ms 1.2ms 30.0MB 1873ms 10ms dotnet 9.0.300
haxe 1.hx 985ms 3.4ms 3.2MB 973ms 0ms haxe/hl/c 4.3.6
csharp 3-m.cs 1200ms 10ms 26.7MB 4517ms 7ms mono 6.12.0
haxe 1.hx 2398ms 1.9ms 6.5MB 2387ms 0ms haxe/cpp 4.3.6
haxe 1.hx timeout 0.0ms 3.8MB 4990ms 0ms haxe/hl/jit 1.15.0

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 3-m.cs 129ms 0.6ms 10.6MB 447ms 10ms dotnet/aot 9.0.300
csharp 3-m.cs 179ms 3.3ms 28.4MB 497ms 17ms dotnet 9.0.300
haxe 1.hx 250ms 2.4ms 3.0MB 240ms 0ms haxe/hl/c 4.3.6
csharp 3-m.cs 341ms 6.9ms 25.5MB 1153ms 7ms mono 6.12.0
haxe 1.hx 603ms 1.6ms 5.4MB 590ms 0ms haxe/cpp 4.3.6
haxe 1.hx 2301ms 12ms 3.8MB 2290ms 0ms haxe/hl/jit 1.15.0