Perl VS Rust benchmarks

Current benchmark data was generated on Fri Aug 01 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
rust 4.rs 1259ms 3.4ms 33.8MB 1240ms 7ms rustc 1.88.0
rust 5.rs 1337ms 1.1ms 33.8MB 1317ms 10ms rustc 1.88.0
rust 3.rs 1443ms 32ms 49.8MB 1410ms 13ms rustc 1.88.0
perl 1.pl timeout 0.0ms 77.8MB 4960ms 23ms perl 5.40.2

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 4.rs 121ms 2.1ms 5.8MB 110ms 0ms rustc 1.88.0
rust 5.rs 126ms 2.0ms 5.8MB 120ms 0ms rustc 1.88.0
rust 3.rs 138ms 4.5ms 7.8MB 127ms 0ms rustc 1.88.0
perl 1.pl 1828ms 6.1ms 14.4MB 1813ms 0ms perl 5.40.2

fasta

Input: 2500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 6.rs 88ms 2.0ms 1.9MB 80ms 0ms rustc 1.88.0
rust 5c-m.rs 89ms 0.8ms 3.2MB 250ms 0ms rustc 1.88.0
rust 5-m.rs 92ms 1.4ms 3.2MB 287ms 0ms rustc 1.88.0
rust 1c.rs 164ms 0.4ms 1.9MB 157ms 0ms rustc 1.88.0
rust 1.rs 197ms 1.0ms 1.9MB 190ms 0ms rustc 1.88.0
perl 1.pl 3986ms 706ms 10.9MB 3973ms 0ms perl 5.40.2

Input: 250000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 6.rs 11ms 1.0ms 1.9MB 10ms 0ms rustc 1.88.0
rust 5c-m.rs 15ms 0.3ms 3.4MB 23ms 0ms rustc 1.88.0
rust 5-m.rs 16ms 0.7ms 3.4MB 27ms 0ms rustc 1.88.0
rust 1c.rs 19ms 0.5ms 1.9MB 10ms 0ms rustc 1.88.0
rust 1.rs 22ms 0.4ms 1.9MB 10ms 0ms rustc 1.88.0
perl 1.pl 369ms 7.7ms 6.6MB 360ms 0ms perl 5.40.2

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 1.rs 1.2ms 0.1ms 1.8MB 0ms 0ms rustc 1.88.0
rust 1.rs 1.2ms 0.1ms 1.9MB 0ms 0ms rustc 1.90.0-nightly
perl 1.pl 2.4ms 0.1ms 5.1MB 0ms 0ms perl 5.40.2

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 4-i.rs 163ms 0.3ms 1.8MB 157ms 0ms rustc 1.88.0
rust 7-i.rs 218ms 1.1ms 1.8MB 210ms 0ms rustc 1.88.0
rust 1.rs 229ms 0.6ms 1.8MB 220ms 0ms rustc 1.88.0
rust 3.rs 279ms 0.5ms 1.9MB 270ms 0ms rustc 1.90.0-nightly
rust 2.rs 279ms 0.3ms 1.6MB 270ms 0ms rustc 1.88.0
perl 2.pl timeout 0.0ms 6.1MB 4990ms 0ms perl 5.40.2

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 4-i.rs 18ms 0.1ms 1.8MB 10ms 0ms rustc 1.88.0
rust 7-i.rs 24ms 0.5ms 1.8MB 20ms 0ms rustc 1.88.0
rust 1.rs 25ms 0.5ms 1.8MB 20ms 0ms rustc 1.88.0
rust 3.rs 30ms 0.1ms 1.9MB 20ms 0ms rustc 1.90.0-nightly
rust 2.rs 30ms 0.1ms 1.6MB 20ms 0ms rustc 1.88.0
perl 2.pl 2772ms 20ms 6.1MB 2760ms 0ms perl 5.40.2

spectral-norm

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 7-m.rs 492ms 0.6ms 2.3MB 1907ms 3ms rustc 1.88.0
rust 8-m.rs 493ms 0.0ms 2.4MB 1917ms 0ms rustc 1.90.0-nightly
rust 8.rs 994ms 2.5ms 2.4MB 983ms 0ms rustc 1.90.0-nightly
rust 7.rs 1964ms 9.9ms 2.0MB 1957ms 0ms rustc 1.88.0
rust 2-m.rs 2079ms 5.2ms 2.4MB 8167ms 3ms rustc 1.88.0
rust 2.rs 4264ms 2.5ms 2.0MB 4253ms 0ms rustc 1.88.0
perl 4.pl timeout 0.0ms 9.8MB 19817ms 7ms perl 5.40.2

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 7-m.rs 127ms 0.2ms 2.1MB 463ms 0ms rustc 1.88.0
rust 8-m.rs 127ms 0.4ms 2.3MB 470ms 0ms rustc 1.90.0-nightly
rust 8.rs 251ms 0.9ms 2.0MB 240ms 0ms rustc 1.90.0-nightly
rust 7.rs 496ms 4.5ms 1.8MB 490ms 0ms rustc 1.88.0
rust 2-m.rs 523ms 1.6ms 2.3MB 2023ms 0ms rustc 1.88.0
rust 2.rs 1068ms 0.2ms 2.0MB 1060ms 0ms rustc 1.88.0
perl 4.pl timeout 0.0ms 10.0MB 19533ms 7ms perl 5.40.2

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 8-m.rs 35ms 0.2ms 2.1MB 110ms 0ms rustc 1.90.0-nightly
rust 7-m.rs 35ms 0.4ms 2.1MB 110ms 0ms rustc 1.88.0
rust 8.rs 65ms 0.5ms 2.0MB 60ms 0ms rustc 1.90.0-nightly
rust 7.rs 130ms 7.3ms 1.8MB 123ms 0ms rustc 1.88.0
rust 2-m.rs 135ms 0.3ms 2.1MB 493ms 3ms rustc 1.88.0
rust 2.rs 269ms 0.8ms 1.9MB 260ms 0ms rustc 1.88.0
perl 4-m.pl 3437ms 29ms 9.6MB 13277ms 10ms perl 5.40.2