Swift VS D benchmarks

Current benchmark data was generated on Thu Feb 01 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 1779ms 2.9ms 312.5MB 1747ms 33ms ldc2 1.36.0
swift 1.swift 2063ms 7.6ms 56.6MB 2023ms 23ms swift 5.9.2
d 1.d 2563ms 15ms 314.0MB 2717ms 53ms dmd 2.106.1

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 163ms 0.8ms 208.7MB 133ms 13ms ldc2 1.36.0
swift 1.swift 195ms 3.0ms 14.5MB 180ms 0ms swift 5.9.2
d 1.d 224ms 4.1ms 210.7MB 193ms 13ms dmd 2.106.1

fannkuch-redux

Input: 11

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1-im.d 377ms 1.3ms 5.1MB 1410ms 0ms ldc2 1.36.0
d 2-im.d 1098ms 3.6ms 5.1MB 4300ms 0ms ldc2 1.36.0
d 1-i.d 1487ms 3.8ms 2.9MB 1477ms 0ms ldc2 1.36.0
swift 1.swift 2453ms 7.0ms 8.5MB 2443ms 0ms swift 5.9.2
d 1.d 3201ms 46ms 2.8MB 3190ms 0ms ldc2 1.36.0
d 2-i.d 3209ms 2.9ms 2.9MB 3197ms 0ms ldc2 1.36.0
d 1.d 3516ms 4.8ms 4.5MB 3507ms 0ms dmd 2.106.1
d 1-im.d 4227ms 21ms 6.7MB 16463ms 7ms dmd 2.106.1
d 1-i.d timeout 0.0ms 4.4MB 4990ms 0ms dmd 2.106.1
d 2-i.d timeout 0.0ms 4.4MB 4990ms 0ms dmd 2.106.1
d 2-im.d timeout 0.0ms 8.7MB 19663ms 10ms dmd 2.106.1

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1-im.d 39ms 1.4ms 5.2MB 107ms 0ms ldc2 1.36.0
d 2-im.d 96ms 1.8ms 6.9MB 343ms 0ms ldc2 1.36.0
d 1-i.d 124ms 0.1ms 2.8MB 110ms 0ms ldc2 1.36.0
swift 1.swift 212ms 1.3ms 8.4MB 200ms 0ms swift 5.9.2
d 2-i.d 265ms 0.5ms 2.9MB 250ms 0ms ldc2 1.36.0
d 1.d 267ms 3.3ms 2.8MB 253ms 0ms ldc2 1.36.0
d 1.d 296ms 1.6ms 4.5MB 290ms 0ms dmd 2.106.1
d 1-im.d 367ms 18ms 8.7MB 1340ms 0ms dmd 2.106.1
d 2-im.d 526ms 7.6ms 8.6MB 2000ms 0ms dmd 2.106.1
d 1-i.d 858ms 2.1ms 4.6MB 847ms 0ms dmd 2.106.1
d 2-i.d 1373ms 13ms 4.4MB 1357ms 0ms dmd 2.106.1

fasta

Input: 2500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 194ms 1.3ms 33.3MB 177ms 3ms ldc2 1.36.0
swift 3-m.swift 209ms 1.1ms 28.8MB 520ms 7ms swift 5.9.2
d 1.d 612ms 2.2ms 38.6MB 590ms 7ms dmd 2.106.1

Input: 250000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 25ms 1.1ms 10.3MB 20ms 0ms ldc2 1.36.0
swift 3.swift 45ms 0.5ms 18.4MB 43ms 0ms swift 5.9.2
d 1.d 65ms 0.2ms 12.3MB 57ms 0ms dmd 2.106.1

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 1.7ms 0.1ms 3.0MB 0ms 0ms ldc2 1.36.0
d 1.d 2.2ms 0.1ms 4.9MB 0ms 0ms dmd 2.106.1
swift 1.swift 3.0ms 0.2ms 7.6MB 0ms 0ms swift 5.9.2

knucleotide

Input: 2500000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1-m.d 685ms 10ms 52.1MB 2280ms 13ms ldc2 1.36.0
swift 2-m.swift 1458ms 77ms 72.0MB 5233ms 37ms swift 5.9.2
d 1-m.d 1894ms 13ms 54.0MB 5653ms 17ms dmd 2.106.1

Input: 250000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1-m.d 88ms 3.2ms 39.2MB 237ms 7ms ldc2 1.36.0
d 1-m.d 196ms 5.4ms 41.5MB 583ms 13ms dmd 2.106.1
swift 2-m.swift 262ms 1.4ms 63.5MB 697ms 20ms swift 5.9.2

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
swift 7.swift 355ms 2.9ms 9.4MB 340ms 0ms swift 5.9.2
d 2.d 359ms 0.7ms 2.9MB 350ms 0ms ldc2 1.36.0
d 1.d 361ms 0.8ms 2.9MB 350ms 0ms ldc2 1.36.0
d 1.d 673ms 1.2ms 4.4MB 660ms 0ms dmd 2.106.1
d 2.d 2011ms 6.9ms 4.5MB 2000ms 0ms dmd 2.106.1

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 39ms 0.6ms 2.9MB 30ms 0ms ldc2 1.36.0
d 2.d 39ms 0.4ms 2.9MB 27ms 0ms ldc2 1.36.0
swift 7.swift 50ms 8.4ms 9.4MB 40ms 0ms swift 5.9.2
d 1.d 71ms 1.0ms 4.5MB 60ms 0ms dmd 2.106.1
d 2.d 206ms 3.5ms 4.4MB 193ms 0ms dmd 2.106.1

pidigits

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 2398ms 6.8ms 8.1MB 2340ms 393ms ldc2 1.36.0
d 1.d 4263ms 7.9ms 10.1MB 4213ms 427ms dmd 2.106.1
swift 1.swift timeout 0.0ms 9.9MB 4923ms 60ms swift 5.9.2

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
d 1.d 578ms 1.2ms 8.0MB 550ms 97ms ldc2 1.36.0
d 1.d 1015ms 2.9ms 10.0MB 1003ms 87ms dmd 2.106.1
swift 1.swift 1891ms 15ms 9.8MB 1873ms 0ms swift 5.9.2