Programming Language and compiler
Benchmarks

Javascript VS D 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
javascript 1-m.js 947ms 18ms 176.8MB 1447ms 207ms bun 1.2.17
javascript 1.js 1054ms 6.2ms 453.4MB 980ms 223ms node 24.2.0
d 1.d 2244ms 4.4ms 312.4MB 2210ms 43ms ldc2 1.41.0
d 1.d 3045ms 8.9ms 315.0MB 3220ms 50ms dmd 2.111.0

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1.js 100ms 0.8ms 77.5MB 77ms 27ms bun 1.2.17
javascript 1.js 127ms 1.5ms 81.2MB 130ms 20ms node 24.2.0
d 1.d 208ms 3.2ms 207.1MB 190ms 10ms ldc2 1.41.0
d 1.d 261ms 1.1ms 208.7MB 237ms 13ms dmd 2.111.0

coro-prime-sieve

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1.js 1629ms 9.3ms 189.9MB 1603ms 103ms node 24.2.0
javascript 1.js 2507ms 85ms 101.4MB 2553ms 67ms bun 1.2.17
d 1.d timeout 0.0ms 18.2MB 4963ms 23ms dmd 2.111.0
d 1.d timeout 0.0ms 15.3MB 4957ms 27ms ldc2 1.41.0

Input: 1000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1.js 158ms 2.0ms 75.4MB 140ms 23ms node 24.2.0
javascript 1.js 200ms 4.1ms 86.8MB 237ms 30ms bun 1.2.17
d 1.d 1081ms 24ms 10.3MB 1053ms 17ms ldc2 1.41.0
d 1.d 1398ms 9.7ms 12.3MB 1370ms 13ms dmd 2.111.0

edigits

Input: 250001

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1.js 302ms 4.5ms 67.7MB 320ms 23ms node 24.2.0
javascript 1.js 519ms 3.3ms 75.7MB 497ms 20ms bun 1.2.17
d 1.d 2555ms 6.6ms 8.0MB 2543ms 0ms ldc2 1.41.0
d 1.d 2868ms 6.9ms 10.4MB 2853ms 0ms dmd 2.111.0

Input: 100000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1.js 136ms 13ms 64.5MB 120ms 17ms node 24.2.0
d 1.d 442ms 1.2ms 8.1MB 430ms 0ms ldc2 1.41.0
javascript 1.js 512ms 13ms 65.7MB 487ms 23ms bun 1.2.17
d 1.d 519ms 1.1ms 10.5MB 510ms 0ms dmd 2.111.0

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 1.7ms 0.2ms 3.0MB 0ms 0ms ldc2 1.41.0
d 1.d 1.9ms 0.2ms 5.1MB 0ms 0ms dmd 2.111.0
javascript 1.js 13ms 0.5ms 31.3MB 0ms 0ms bun 1.2.17
javascript 1.js 33ms 1.9ms 50.9MB 18ms 8ms node 24.2.0

http-server

Input: 3000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1-m.bun.js 270ms 14ms 75.3MB 140ms 333ms bun 1.2.17
javascript 1.js 2465ms 105ms 269.7MB 2423ms 1127ms node 24.2.0

Input: 500

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1.bun.js 104ms 11ms 55.4MB 37ms 83ms bun 1.2.17
javascript 1.js 375ms 26ms 85.9MB 360ms 133ms node 24.2.0

json-serde

Input: sample 5000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 2.d 59ms 1.2ms 15.8MB 63ms 7ms ldc2 1.41.0
javascript 1.js 65ms 1.2ms 62.5MB 40ms 13ms bun 1.2.17
javascript 1.js 104ms 1.9ms 74.8MB 90ms 20ms node 24.2.0
d 2.d 238ms 1.3ms 22.5MB 243ms 7ms dmd 2.111.0

Input: canada 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1.js 350ms 1.2ms 200.9MB 303ms 87ms bun 1.2.17
d 2.d 472ms 2.8ms 139.9MB 443ms 33ms ldc2 1.41.0
javascript 1.js 573ms 4.9ms 254.9MB 590ms 117ms node 24.2.0
d 2.d 2491ms 24ms 158.6MB 2507ms 40ms dmd 2.111.0

lru

Input: 1000 1000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 133ms 2.9ms 5.9MB 127ms 3ms ldc2 1.41.0
d 1.d 175ms 1.0ms 8.0MB 163ms 3ms dmd 2.111.0
javascript 2.js 305ms 0.7ms 65.3MB 293ms 10ms node 24.2.0
javascript 1.js 565ms 3.2ms 63.6MB 550ms 13ms node 24.2.0
javascript 2.js 669ms 8.0ms 122.9MB 737ms 53ms bun 1.2.17
javascript 1.js 843ms 21ms 106.1MB 907ms 93ms bun 1.2.17

Input: 1000 3000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 382ms 1.3ms 5.9MB 370ms 17ms ldc2 1.41.0
d 1.d 515ms 2.4ms 7.9MB 510ms 13ms dmd 2.111.0
javascript 2.js 835ms 6.9ms 71.9MB 820ms 17ms node 24.2.0
javascript 1.js 1619ms 16ms 70.0MB 1603ms 13ms node 24.2.0
javascript 2.js 1893ms 6.7ms 123.5MB 2067ms 73ms bun 1.2.17
javascript 1.js 2431ms 36ms 105.9MB 2720ms 160ms bun 1.2.17

Input: 100 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 59ms 1.7ms 6.1MB 50ms 0ms ldc2 1.41.0
d 1.d 80ms 1.6ms 8.2MB 70ms 0ms dmd 2.111.0
javascript 2.js 163ms 1.1ms 59.8MB 157ms 10ms node 24.2.0
javascript 1.js 166ms 2.3ms 61.0MB 150ms 10ms node 24.2.0
javascript 1.js 327ms 3.4ms 130.8MB 357ms 80ms bun 1.2.17
javascript 2.js 368ms 3.7ms 124.9MB 393ms 60ms bun 1.2.17

merkletrees

Input: 17

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1-m.js 473ms 10ms 137.8MB 617ms 117ms bun 1.2.17
javascript 1.js 565ms 6.5ms 230.7MB 567ms 110ms node 24.2.0
d 1.d 1113ms 6.0ms 312.4MB 1077ms 37ms ldc2 1.41.0
d 1.d 1847ms 15ms 314.6MB 1973ms 47ms dmd 2.111.0

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1.js 116ms 2.9ms 84.8MB 100ms 33ms bun 1.2.17
javascript 1.js 160ms 2.6ms 101.3MB 157ms 40ms node 24.2.0
d 1.d 226ms 1.5ms 312.5MB 190ms 23ms ldc2 1.41.0
d 1.d 357ms 2.6ms 314.8MB 323ms 30ms dmd 2.111.0

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 2.d 361ms 1.5ms 2.9MB 350ms 0ms ldc2 1.41.0
d 1.d 361ms 1.0ms 2.9MB 350ms 0ms ldc2 1.41.0
javascript 6.js 456ms 0.7ms 59.0MB 450ms 0ms node 24.2.0
javascript 6.js 599ms 2.6ms 44.9MB 603ms 7ms bun 1.2.17
d 1.d 683ms 2.8ms 4.6MB 673ms 0ms dmd 2.111.0
d 2.d 2027ms 4.0ms 4.6MB 2017ms 0ms dmd 2.111.0

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 38ms 0.4ms 2.9MB 30ms 0ms ldc2 1.41.0
d 2.d 39ms 0.4ms 2.9MB 30ms 0ms ldc2 1.41.0
d 1.d 71ms 1.3ms 4.8MB 60ms 0ms dmd 2.111.0
javascript 6.js 79ms 1.4ms 58.9MB 63ms 10ms node 24.2.0
javascript 6.js 82ms 2.6ms 44.9MB 83ms 10ms bun 1.2.17
d 2.d 213ms 7.6ms 4.8MB 203ms 0ms dmd 2.111.0

secp256k1

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1.js 2530ms 12ms 61.9MB 2537ms 10ms node 24.2.0
javascript 1.js 2803ms 2.3ms 82.0MB 2810ms 60ms bun 1.2.17
d 1.d 4805ms 14ms 4.0MB 4753ms 380ms ldc2 1.41.0
d 1.d timeout 0.0ms 6.6MB 4943ms 310ms dmd 2.111.0

Input: 500

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1.js 704ms 57ms 60.1MB 707ms 10ms node 24.2.0
javascript 1.js 729ms 4.2ms 81.9MB 727ms 27ms bun 1.2.17
d 1.d 1209ms 8.6ms 3.9MB 1190ms 93ms ldc2 1.41.0
d 1.d 2040ms 12ms 6.5MB 2020ms 113ms dmd 2.111.0

pidigits

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 2448ms 17ms 8.1MB 2423ms 410ms ldc2 1.41.0
d 1.d 4455ms 6.5ms 10.5MB 4357ms 523ms dmd 2.111.0
javascript 3.js 4612ms 24ms 122.4MB 4567ms 43ms node 24.2.0

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 585ms 1.9ms 8.1MB 563ms 107ms ldc2 1.41.0
javascript 3.js 1016ms 4.2ms 74.0MB 997ms 17ms node 24.2.0
d 1.d 1056ms 1.9ms 10.3MB 1033ms 117ms dmd 2.111.0

spectral-norm

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 6-m.js 2170ms 4.5ms 118.6MB 8280ms 63ms node 24.2.0
d 1.d 3601ms 8.6ms 6.1MB 3593ms 0ms ldc2 1.41.0
d 1.d 3668ms 32ms 8.4MB 3657ms 0ms dmd 2.111.0

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 6-m.js 654ms 2.1ms 118.9MB 2317ms 63ms node 24.2.0
d 1.d 911ms 17ms 3.8MB 900ms 0ms ldc2 1.41.0
d 1.d 915ms 7.3ms 5.4MB 907ms 0ms dmd 2.111.0

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 229ms 1.2ms 3.1MB 220ms 0ms ldc2 1.41.0
d 1.d 235ms 1.0ms 5.0MB 223ms 0ms dmd 2.111.0
javascript 6-m.js 271ms 4.8ms 115.9MB 830ms 53ms node 24.2.0