Programming Language and compiler
Benchmarks

Swift VS D 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
swift 1.swift 2516ms 49ms 56.6MB 2483ms 17ms swift 6.0.2
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
swift 1.swift 230ms 2.0ms 14.8MB 220ms 0ms swift 6.0.2
d 1.d 233ms 2.4ms 210.6MB 207ms 10ms 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
swift 1.swift 2465ms 1.7ms 8.3MB 2450ms 0ms swift 6.0.2
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
swift 1.swift 213ms 0.4ms 8.1MB 200ms 0ms swift 6.0.2
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
swift 3-m.swift 143ms 2.7ms 27.3MB 397ms 7ms swift 6.0.2
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
swift 3.swift 37ms 0.6ms 21.1MB 33ms 0ms swift 6.0.2
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
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
swift 1.swift 3.1ms 0.4ms 7.8MB 0ms 0ms swift 6.0.2

knucleotide

Input: 2500000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1-m.d 793ms 57ms 51.9MB 2410ms 20ms ldc2 1.39.0
swift 2-m.swift 1384ms 11ms 72.9MB 5030ms 33ms swift 6.0.2
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
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
swift 2-m.swift 261ms 1.2ms 64.3MB 680ms 33ms swift 6.0.2

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
swift 7.swift 342ms 0.8ms 9.9MB 330ms 0ms swift 6.0.2
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
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
swift 7.swift 40ms 0.7ms 10.1MB 30ms 0ms swift 6.0.2
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

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
swift 1.swift timeout 0.0ms 10.0MB 4930ms 57ms swift 6.0.2

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
swift 1.swift 1914ms 8.6ms 9.9MB 1897ms 3ms swift 6.0.2