Programming Language and compiler
Benchmarks

D VS C benchmarks

Current benchmark data was generated on Sat Nov 16 2024, 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
d 1.d 1714ms 10ms 312.4MB 1680ms 40ms ldc2 1.39.0
d 1.d 2690ms 19ms 314.8MB 2890ms 27ms dmd 2.109.1

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 161ms 4.1ms 209.0MB 127ms 20ms ldc2 1.39.0
d 1.d 233ms 2.4ms 210.6MB 207ms 10ms dmd 2.109.1

coro-prime-sieve

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d timeout 0.0ms 16.5MB 4957ms 33ms dmd 2.109.1
d 1.d timeout 0.0ms 14.8MB 4950ms 30ms ldc2 1.39.0

Input: 1000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 1049ms 8.0ms 8.4MB 1023ms 10ms ldc2 1.39.0
d 1.d 1313ms 9.7ms 10.8MB 1290ms 13ms dmd 2.109.1

edigits

Input: 250001

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 2539ms 2.5ms 8.1MB 2530ms 0ms ldc2 1.39.0
d 1.d 2922ms 4.0ms 10.3MB 2913ms 3ms dmd 2.109.1

Input: 100000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 441ms 1.2ms 7.9MB 430ms 0ms ldc2 1.39.0
d 1.d 535ms 5.9ms 10.1MB 523ms 0ms dmd 2.109.1

fannkuch-redux

Input: 11

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1-im.d 393ms 36ms 5.1MB 1413ms 0ms ldc2 1.39.0
d 2-im.d 1136ms 27ms 5.1MB 4287ms 0ms ldc2 1.39.0
d 1-i.d 1481ms 0.7ms 2.8MB 1467ms 0ms ldc2 1.39.0
d 1.d 3136ms 26ms 2.8MB 3123ms 0ms ldc2 1.39.0
d 2-i.d 3223ms 4.8ms 2.8MB 3210ms 0ms ldc2 1.39.0
d 1.d 3502ms 2.1ms 4.6MB 3490ms 0ms dmd 2.109.1
d 1-im.d 4227ms 47ms 8.7MB 16457ms 0ms dmd 2.109.1
d 1-i.d timeout 0.0ms 4.5MB 4990ms 0ms dmd 2.109.1
d 2-i.d timeout 0.0ms 4.6MB 4990ms 0ms dmd 2.109.1
d 2-im.d timeout 0.0ms 6.8MB 19710ms 10ms dmd 2.109.1

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1-im.d 40ms 2.1ms 4.9MB 110ms 0ms ldc2 1.39.0
d 2-im.d 100ms 1.6ms 5.1MB 343ms 0ms ldc2 1.39.0
d 1-i.d 124ms 0.3ms 2.8MB 117ms 0ms ldc2 1.39.0
d 1.d 264ms 4.4ms 2.8MB 253ms 0ms ldc2 1.39.0
d 2-i.d 267ms 1.0ms 2.9MB 253ms 0ms ldc2 1.39.0
d 1.d 296ms 2.1ms 4.6MB 287ms 0ms dmd 2.109.1
d 1-im.d 355ms 4.0ms 6.9MB 1340ms 0ms dmd 2.109.1
d 2-im.d 531ms 2.2ms 8.8MB 1990ms 0ms dmd 2.109.1
d 1-i.d 863ms 34ms 4.5MB 853ms 0ms dmd 2.109.1
d 2-i.d 1415ms 9.9ms 4.5MB 1403ms 0ms dmd 2.109.1

fasta

Input: 2500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 196ms 1.6ms 31.9MB 177ms 3ms ldc2 1.39.0
d 1.d 623ms 3.2ms 48.0MB 607ms 10ms dmd 2.109.1

Input: 250000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 24ms 0.6ms 7.3MB 17ms 0ms ldc2 1.39.0
d 1.d 66ms 0.7ms 12.2MB 60ms 0ms dmd 2.109.1

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
c 1.c 1.1ms 0.1ms 1.4MB 0ms 0ms zigcc 0.13.0
c 1.c 1.2ms 0.1ms 2.1MB 0ms 0ms gcc 14.2.0
c 1.c 1.4ms 0.3ms 2.1MB 0ms 0ms clang 14.0.0-1ubuntu1.1
d 1.d 1.7ms 0.2ms 2.9MB 0ms 0ms ldc2 1.39.0
d 1.d 2.3ms 0.3ms 5.1MB 0ms 0ms dmd 2.109.1

http-server

Input: 3000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1-m.d 3.6ms 6.2ms 18.1MB 355ms 765ms ldc2 1.39.0
d 1.d 1033ms 0.9ms 22.7MB 413ms 777ms dmd 2.109.1
d 2.d 1035ms 0.6ms 25.0MB 443ms 757ms dmd 2.109.1
d 2.d timeout 0.0ms 22.1MB 333ms 780ms ldc2 1.39.0

Input: 500

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 2.d 338ms 585ms 22.0MB 50ms 140ms ldc2 1.39.0
d 1.d 1015ms 0.5ms 20.1MB 67ms 127ms ldc2 1.39.0
d 2.d 1015ms 0.4ms 24.4MB 77ms 133ms dmd 2.109.1
d 1.d 1015ms 0.5ms 24.6MB 63ms 140ms dmd 2.109.1

json-serde

Input: sample 5000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 2-m.d 71ms 21ms 15.5MB 70ms 50ms ldc2 1.39.0
d 2.d 241ms 1.1ms 22.6MB 240ms 10ms dmd 2.109.1

Input: canada 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 2.d 472ms 2.3ms 139.9MB 443ms 33ms ldc2 1.39.0
d 2.d 2492ms 4.3ms 157.1MB 2493ms 43ms dmd 2.109.1

knucleotide

Input: 2500000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
c 1-m.c 181ms 12ms 25.6MB 417ms 13ms gcc 14.2.0
c 1-m.c 295ms 7.0ms 27.7MB 997ms 17ms clang 14.0.0-1ubuntu1.1
d 1-m.d 793ms 57ms 51.9MB 2410ms 20ms ldc2 1.39.0
d 1-m.d 1878ms 30ms 54.8MB 5587ms 17ms dmd 2.109.1

Input: 250000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
c 1-m.c 30ms 0.6ms 13.1MB 63ms 3ms gcc 14.2.0
c 1-m.c 37ms 1.4ms 15.0MB 103ms 3ms clang 14.0.0-1ubuntu1.1
d 1-m.d 99ms 1.8ms 42.1MB 253ms 13ms ldc2 1.39.0
d 1-m.d 203ms 2.6ms 45.9MB 587ms 13ms dmd 2.109.1

lru

Input: 1000 1000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 125ms 0.3ms 6.1MB 117ms 3ms ldc2 1.39.0
d 1.d 185ms 10ms 7.9MB 157ms 33ms dmd 2.109.1

Input: 1000 3000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 364ms 6.3ms 4.0MB 350ms 23ms ldc2 1.39.0
d 1.d 539ms 17ms 8.1MB 520ms 53ms dmd 2.109.1

Input: 100 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 55ms 1.7ms 5.9MB 43ms 0ms ldc2 1.39.0
d 1.d 79ms 0.9ms 8.2MB 70ms 0ms dmd 2.109.1

mandelbrot

Input: 5000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 409ms 4.3ms 7.5MB 397ms 0ms ldc2 1.39.0
d 1.d 2324ms 373ms 9.3MB 2313ms 0ms dmd 2.109.1

Input: 1000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 20ms 0.1ms 3.0MB 10ms 0ms ldc2 1.39.0
d 1.d 92ms 1.5ms 4.5MB 80ms 0ms dmd 2.109.1

merkletrees

Input: 17

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 979ms 4.8ms 312.5MB 940ms 40ms ldc2 1.39.0
d 1.d 1748ms 19ms 314.9MB 1883ms 40ms dmd 2.109.1

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 210ms 2.2ms 312.6MB 163ms 33ms ldc2 1.39.0
d 1.d 343ms 1.4ms 314.5MB 313ms 23ms dmd 2.109.1

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
c 8-i.c 247ms 0.9ms 1.5MB 233ms 0ms zigcc 0.13.0
c 5.c 299ms 0.1ms 1.5MB 290ms 0ms zigcc 0.13.0
c 8-i.c 302ms 2.2ms 2.1MB 290ms 0ms clang 14.0.0-1ubuntu1.1
c 2.c 308ms 0.9ms 2.3MB 300ms 0ms gcc 14.2.0
c 5.c 311ms 0.1ms 2.3MB 300ms 0ms gcc 14.2.0
c 5.c 315ms 1.9ms 2.3MB 303ms 0ms clang 14.0.0-1ubuntu1.1
c 2.c 316ms 8.2ms 1.5MB 307ms 0ms zigcc 0.13.0
c 2.c 318ms 2.4ms 2.1MB 307ms 0ms clang 14.0.0-1ubuntu1.1
c 8-i.c 332ms 0.7ms 2.3MB 320ms 0ms gcc 14.2.0
d 2.d 361ms 0.5ms 2.9MB 350ms 0ms ldc2 1.39.0
d 1.d 361ms 1.0ms 2.9MB 350ms 0ms ldc2 1.39.0
d 1.d 680ms 2.2ms 4.6MB 670ms 0ms dmd 2.109.1
d 2.d 2009ms 2.2ms 4.6MB 2000ms 0ms dmd 2.109.1

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
c 8-i.c 27ms 0.4ms 1.5MB 20ms 0ms zigcc 0.13.0
c 5.c 32ms 0.2ms 1.5MB 20ms 0ms zigcc 0.13.0
c 8-i.c 33ms 0.3ms 2.1MB 20ms 0ms clang 14.0.0-1ubuntu1.1
c 5.c 34ms 0.4ms 2.3MB 27ms 0ms gcc 14.2.0
c 2.c 34ms 0.1ms 2.3MB 27ms 0ms gcc 14.2.0
c 2.c 34ms 0.8ms 1.5MB 23ms 0ms zigcc 0.13.0
c 5.c 35ms 0.5ms 2.1MB 30ms 0ms clang 14.0.0-1ubuntu1.1
c 2.c 35ms 0.2ms 2.1MB 23ms 0ms clang 14.0.0-1ubuntu1.1
c 8-i.c 36ms 0.1ms 2.3MB 30ms 0ms gcc 14.2.0
d 1.d 39ms 0.5ms 2.9MB 30ms 0ms ldc2 1.39.0
d 2.d 39ms 0.7ms 2.9MB 30ms 0ms ldc2 1.39.0
d 1.d 71ms 0.9ms 4.8MB 63ms 0ms dmd 2.109.1
d 2.d 203ms 0.2ms 4.6MB 190ms 0ms dmd 2.109.1

nsieve

Input: 12

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
c 1.c 267ms 2.6ms 40.8MB 247ms 3ms clang 14.0.0-1ubuntu1.1
c 1.c 273ms 11ms 40.9MB 260ms 0ms gcc 14.2.0
c 1.c 284ms 0.5ms 40.3MB 263ms 3ms zigcc 0.13.0
d 1.d 315ms 2.3ms 77.1MB 300ms 0ms dmd 2.109.1
d 1.d 352ms 4.4ms 43.7MB 333ms 3ms ldc2 1.39.0
d 2.d 821ms 4.2ms 47.5MB 800ms 10ms ldc2 1.39.0
d 2.d 1162ms 1.7ms 49.3MB 1143ms 3ms dmd 2.109.1

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
c 1.c 52ms 3.3ms 11.6MB 40ms 0ms gcc 14.2.0
c 1.c 52ms 1.2ms 11.7MB 40ms 0ms clang 14.0.0-1ubuntu1.1
c 1.c 55ms 2.1ms 11.0MB 40ms 0ms zigcc 0.13.0
d 1.d 61ms 1.8ms 13.5MB 43ms 3ms ldc2 1.39.0
d 1.d 66ms 0.8ms 24.1MB 57ms 0ms dmd 2.109.1
d 2.d 203ms 0.8ms 15.7MB 190ms 0ms ldc2 1.39.0
d 2.d 291ms 1.3ms 17.6MB 277ms 3ms dmd 2.109.1

pidigits

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 2410ms 8.4ms 8.0MB 2367ms 387ms ldc2 1.39.0
d 1.d 4352ms 6.4ms 10.1MB 4243ms 487ms dmd 2.109.1

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 578ms 1.6ms 8.1MB 557ms 93ms ldc2 1.39.0
d 1.d 1041ms 11ms 10.2MB 1027ms 113ms dmd 2.109.1

regex-redux

Input: 2500000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 3.d 614ms 6.0ms 171.9MB 793ms 23ms ldc2 1.39.0
d 3.d 1345ms 56ms 174.6MB 1557ms 23ms dmd 2.109.1

Input: 250000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 3.d 71ms 3.4ms 25.9MB 83ms 0ms ldc2 1.39.0
d 3.d 145ms 6.4ms 26.5MB 153ms 7ms dmd 2.109.1

secp256k1

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 4798ms 38ms 3.9MB 4770ms 327ms ldc2 1.39.0
d 1.d timeout 0.0ms 6.6MB 5013ms 217ms dmd 2.109.1

Input: 500

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 1207ms 7.1ms 4.0MB 1160ms 110ms ldc2 1.39.0
d 1.d 2023ms 38ms 6.4MB 1990ms 113ms dmd 2.109.1

spectral-norm

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
c 4-m.c 971ms 0.9ms 4.0MB 3807ms 0ms gcc 14.2.0
c 6-im.c 973ms 27ms 4.1MB 3773ms 0ms gcc 14.2.0
c 6-im.c 1018ms 30ms 5.3MB 3953ms 7ms clang 14.0.0-1ubuntu1.1
c 5-im.c 1102ms 20ms 4.1MB 4300ms 3ms gcc 14.2.0
c 4-m.c 1127ms 17ms 7.2MB 4397ms 3ms clang 14.0.0-1ubuntu1.1
c 5-im.c 1327ms 0.2ms 7.3MB 5197ms 3ms clang 14.0.0-1ubuntu1.1
c 3-m.c 1824ms 3.8ms 5.3MB 7187ms 0ms clang 14.0.0-1ubuntu1.1
c 3-m.c 1982ms 14ms 4.1MB 7777ms 3ms gcc 14.2.0
d 1.d 3584ms 9.1ms 4.1MB 3570ms 0ms ldc2 1.39.0
d 1.d 3665ms 31ms 5.9MB 3653ms 0ms dmd 2.109.1

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
c 6-im.c 250ms 2.0ms 4.0MB 950ms 0ms gcc 14.2.0
c 4-m.c 254ms 3.2ms 4.1MB 967ms 0ms gcc 14.2.0
c 6-im.c 261ms 2.3ms 5.3MB 970ms 3ms clang 14.0.0-1ubuntu1.1
c 5-im.c 285ms 3.0ms 4.0MB 1090ms 0ms gcc 14.2.0
c 4-m.c 288ms 0.1ms 5.1MB 1093ms 0ms clang 14.0.0-1ubuntu1.1
c 5-im.c 342ms 3.7ms 7.3MB 1313ms 0ms clang 14.0.0-1ubuntu1.1
c 3-m.c 469ms 2.2ms 5.4MB 1797ms 3ms clang 14.0.0-1ubuntu1.1
c 3-m.c 505ms 5.3ms 4.0MB 1953ms 0ms gcc 14.2.0
d 1.d 902ms 0.5ms 3.5MB 890ms 0ms ldc2 1.39.0
d 1.d 911ms 2.1ms 5.8MB 900ms 0ms dmd 2.109.1

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
c 6-im.c 71ms 0.7ms 4.0MB 247ms 0ms gcc 14.2.0
c 4-m.c 72ms 0.7ms 4.1MB 253ms 0ms gcc 14.2.0
c 6-im.c 72ms 0.0ms 5.1MB 233ms 3ms clang 14.0.0-1ubuntu1.1
c 5-im.c 81ms 1.7ms 4.0MB 283ms 0ms gcc 14.2.0
c 4-m.c 82ms 4.3ms 5.1MB 280ms 0ms clang 14.0.0-1ubuntu1.1
c 5-im.c 108ms 26ms 7.1MB 367ms 0ms clang 14.0.0-1ubuntu1.1
c 3-m.c 126ms 3.5ms 7.2MB 450ms 0ms clang 14.0.0-1ubuntu1.1
c 3-m.c 136ms 2.4ms 4.0MB 500ms 0ms gcc 14.2.0
d 1.d 227ms 0.4ms 3.0MB 220ms 0ms ldc2 1.39.0
d 1.d 235ms 1.0ms 4.9MB 220ms 0ms dmd 2.109.1