Programming Language and compiler
Benchmarks

OCaml VS Haxe benchmarks

Current benchmark data was generated on Mon Jun 23 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
haxe 1.hx 1317ms 11ms 144.0MB 1497ms 70ms haxe/cpp 4.3.6
ocaml 1.ml 3028ms 44ms 157.2MB 2940ms 73ms ocaml 5.3.0
haxe 2.hx 4420ms 7.8ms 495.1MB 5000ms 247ms haxe/cpp 4.3.6
haxe 1.hx timeout 0.0ms 48.6MB 5657ms 417ms haxe/hl/c 4.3.6
haxe 2.hx timeout 0.0ms 83.0MB 5150ms 673ms haxe/hl/c 4.3.6
haxe 1.hx timeout 0.0ms 50.9MB 7683ms 437ms haxe/hl/jit 1.15.0
haxe 2.hx timeout 0.0ms 131.0MB 7317ms 777ms 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 90ms 3.6ms 25.8MB 83ms 3ms haxe/cpp 4.3.6
ocaml 1.ml 214ms 0.9ms 19.1MB 200ms 0ms ocaml 5.3.0
haxe 2.hx 398ms 2.4ms 58.3MB 440ms 23ms haxe/cpp 4.3.6
haxe 1.hx 646ms 9.3ms 8.7MB 603ms 60ms haxe/hl/c 4.3.6
haxe 1.hx 692ms 36ms 11.2MB 753ms 53ms haxe/hl/jit 1.15.0
haxe 2.hx 946ms 20ms 25.2MB 910ms 177ms haxe/hl/jit 1.15.0
haxe 2.hx 1045ms 6.8ms 13.7MB 940ms 160ms haxe/hl/c 4.3.6

fannkuch-redux

Input: 11

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 2.ml 2914ms 16ms 4.9MB 2907ms 0ms ocaml 5.3.0

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 2.ml 245ms 3.3ms 4.9MB 237ms 0ms ocaml 5.3.0

fasta

Input: 2500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 6.ml 347ms 1.7ms 24.8MB 337ms 0ms ocaml 5.3.0
haxe 1.hx 2388ms 16ms 25.6MB 2313ms 200ms haxe/cpp 4.3.6
haxe 1.hx timeout 0.0ms 3.2MB 4373ms 853ms haxe/hl/c 4.3.6
haxe 1.hx timeout 0.0ms 3.6MB 4387ms 853ms haxe/hl/jit 1.15.0

Input: 250000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 6.ml 39ms 0.5ms 7.5MB 30ms 0ms ocaml 5.3.0
haxe 1.hx 254ms 3.7ms 25.6MB 223ms 27ms haxe/cpp 4.3.6
haxe 1.hx 651ms 2.0ms 3.4MB 553ms 120ms haxe/hl/c 4.3.6
haxe 1.hx 682ms 5.2ms 3.6MB 593ms 110ms haxe/hl/jit 1.15.0

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 1.ml 1.8ms 0.2ms 5.0MB 0ms 0ms ocaml 5.3.0
haxe 1.hx 2.1ms 0.3ms 4.4MB 0ms 0ms haxe/cpp 4.3.6
haxe 1.hx 2.2ms 0.4ms 2.9MB 0ms 0ms haxe/hl/c 4.3.6
haxe 1.hx 3.4ms 0.3ms 3.4MB 0ms 0ms haxe/hl/jit 1.15.0

lru

Input: 1000 1000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
haxe 1.hx 135ms 0.8ms 3.0MB 130ms 0ms haxe/hl/c 4.3.6
haxe 1.hx 136ms 2.8ms 20.5MB 120ms 3ms haxe/cpp 4.3.6
haxe 1.hx 159ms 1.5ms 3.8MB 150ms 0ms haxe/hl/jit 1.15.0
ocaml 1.ml 190ms 0.6ms 6.4MB 180ms 0ms ocaml 5.3.0

Input: 1000 3000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
haxe 1.hx 380ms 3.8ms 25.5MB 360ms 7ms haxe/cpp 4.3.6
haxe 1.hx 396ms 1.8ms 3.1MB 387ms 0ms haxe/hl/c 4.3.6
haxe 1.hx 460ms 18ms 3.8MB 450ms 0ms haxe/hl/jit 1.15.0
ocaml 1.ml 518ms 3.2ms 6.6MB 510ms 0ms ocaml 5.3.0

Input: 100 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
haxe 1.hx 64ms 1.4ms 12.3MB 53ms 0ms haxe/cpp 4.3.6
haxe 1.hx 68ms 1.4ms 3.0MB 60ms 0ms haxe/hl/c 4.3.6
ocaml 1.ml 77ms 1.4ms 5.9MB 70ms 0ms ocaml 5.3.0
haxe 1.hx 81ms 0.9ms 3.6MB 70ms 0ms haxe/hl/jit 1.15.0

merkletrees

Input: 17

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
haxe 1.hx 922ms 7.4ms 95.0MB 1027ms 47ms haxe/cpp 4.3.6
ocaml 1.ml 1094ms 11ms 70.2MB 1047ms 30ms ocaml 5.3.0
ocaml 2.ml 2066ms 16ms 91.8MB 2013ms 33ms ocaml 5.3.0
haxe 1.hx timeout 0.0ms 32.6MB 4987ms 523ms haxe/hl/c 4.3.6
haxe 1.hx timeout 0.0ms 55.1MB 5913ms 467ms haxe/hl/jit 1.15.0

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 1.ml 147ms 4.1ms 21.7MB 130ms 7ms ocaml 5.3.0
haxe 1.hx 174ms 2.4ms 26.6MB 173ms 13ms haxe/cpp 4.3.6
ocaml 2.ml 367ms 7.6ms 27.7MB 343ms 7ms ocaml 5.3.0
haxe 1.hx 1325ms 25ms 20.3MB 1353ms 123ms haxe/hl/jit 1.15.0
haxe 1.hx 1377ms 28ms 10.8MB 1313ms 153ms haxe/hl/c 4.3.6

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 1.ml 373ms 1.9ms 5.2MB 360ms 0ms ocaml 5.3.0
haxe 2.hx 856ms 3.7ms 3.0MB 847ms 0ms haxe/hl/c 4.3.6
haxe 1.hx 1062ms 2.4ms 3.0MB 1053ms 0ms haxe/hl/c 4.3.6
haxe 3.hx 1395ms 8.8ms 25.6MB 1580ms 30ms haxe/cpp 4.3.6
haxe 2.hx 2408ms 11ms 3.6MB 2397ms 0ms haxe/hl/jit 1.15.0
haxe 1.hx 2475ms 15ms 3.6MB 2467ms 0ms haxe/hl/jit 1.15.0
haxe 1.hx timeout 0.0ms 4.4MB 4990ms 0ms haxe/cpp 4.3.6
haxe 2.hx timeout 0.0ms 4.4MB 4990ms 0ms haxe/cpp 4.3.6
haxe 3.hx timeout 0.0ms 3.4MB 3933ms 1573ms haxe/hl/c 4.3.6
haxe 3.hx timeout 0.0ms 3.9MB 4137ms 1327ms haxe/hl/jit 1.15.0

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 1.ml 41ms 1.4ms 5.2MB 30ms 0ms ocaml 5.3.0
haxe 2.hx 88ms 0.0ms 3.0MB 80ms 0ms haxe/hl/c 4.3.6
haxe 1.hx 111ms 2.1ms 3.0MB 103ms 0ms haxe/hl/c 4.3.6
haxe 3.hx 156ms 2.4ms 25.6MB 157ms 10ms haxe/cpp 4.3.6
haxe 2.hx 245ms 0.4ms 3.6MB 237ms 0ms haxe/hl/jit 1.15.0
haxe 1.hx 259ms 3.6ms 3.6MB 247ms 0ms haxe/hl/jit 1.15.0
haxe 2.hx 674ms 3.1ms 4.4MB 667ms 0ms haxe/cpp 4.3.6
haxe 3.hx 679ms 4.5ms 3.3MB 513ms 223ms haxe/hl/c 4.3.6
haxe 3.hx 800ms 16ms 3.8MB 657ms 203ms haxe/hl/jit 1.15.0
haxe 1.hx 811ms 7.7ms 4.6MB 803ms 0ms haxe/cpp 4.3.6

nsieve

Input: 12

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 1.ml 957ms 3.4ms 550.3MB 900ms 43ms ocaml 5.3.0
ocaml 2.ml 1886ms 14ms 18.9MB 1873ms 0ms ocaml 5.3.0

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 1.ml 191ms 3.0ms 141.6MB 170ms 10ms ocaml 5.3.0
ocaml 2.ml 471ms 4.3ms 9.1MB 460ms 0ms ocaml 5.3.0

regex-redux

Input: 2500000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 2.ml timeout 0.0ms 462.9MB 4830ms 153ms ocaml 5.3.0

Input: 250000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 2.ml 549ms 4.5ms 57.1MB 513ms 23ms ocaml 5.3.0

spectral-norm

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
haxe 1.hx 3907ms 10ms 3.3MB 3893ms 0ms haxe/hl/c 4.3.6
ocaml 2.ml 4582ms 24ms 6.4MB 4570ms 0ms ocaml 5.3.0
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
haxe 1.hx 984ms 3.3ms 3.1MB 970ms 0ms haxe/hl/c 4.3.6
ocaml 2.ml 1159ms 5.5ms 6.1MB 1150ms 0ms ocaml 5.3.0
haxe 1.hx 2400ms 1.8ms 6.6MB 2390ms 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
haxe 1.hx 251ms 2.2ms 3.1MB 240ms 0ms haxe/hl/c 4.3.6
ocaml 2.ml 294ms 4.6ms 5.2MB 283ms 0ms ocaml 5.3.0
haxe 1.hx 610ms 11ms 5.4MB 597ms 0ms haxe/cpp 4.3.6
haxe 1.hx 2306ms 10ms 3.8MB 2297ms 0ms haxe/hl/jit 1.15.0