Results for 38 of 40 languages from this run on actest1.

Unavailable in this run: Hack, Lisp. Follow the run link for failure details.

Perl VS Rust benchmarks

Current benchmark data was generated on Sun Sep 27 2026, full log can be found HERE

CONTRIBUTIONS are WELCOME!

[x86_64][4 cores] Intel(R) Core(TM) i7-3687U CPU @ 2.10GHz (Model 58)

* -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 5.rs 2161ms 12ms 33.8MB 2140ms 3ms rustc 1.98.1
rust 3.rs 2212ms 49ms 49.8MB 2183ms 10ms rustc 1.98.1
rust 4.rs 2253ms 19ms 33.8MB 2230ms 10ms rustc 1.98.1
perl 1.pl 28055ms 391ms 77.2MB 28003ms 33ms perl 5.38.2

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 5.rs 185ms 4.9ms 5.7MB 173ms 0ms rustc 1.98.1
rust 4.rs 203ms 1.5ms 5.7MB 190ms 0ms rustc 1.98.1
rust 3.rs 205ms 20ms 7.8MB 190ms 0ms rustc 1.98.1
perl 1.pl 2485ms 46ms 13.8MB 2467ms 3ms perl 5.38.2

fasta

Input: 2500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 5c-m.rs 107ms 0.9ms 2.4MB 347ms 3ms rustc 1.98.1
rust 5-m.rs 125ms 2.6ms 2.4MB 427ms 0ms rustc 1.98.1
rust 1c.rs 173ms 1.3ms 1.2MB 163ms 0ms rustc 1.98.1
rust 6.rs 186ms 9.1ms 1.1MB 180ms 0ms rustc 1.98.1
rust 1.rs 213ms 3.2ms 1.1MB 200ms 0ms rustc 1.98.1
perl 1.pl 6630ms 80ms 10.6MB 6613ms 0ms perl 5.38.2

Input: 250000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 5c-m.rs 17ms 0.0ms 2.4MB 37ms 0ms rustc 1.98.1
rust 5-m.rs 18ms 1.3ms 2.4MB 33ms 0ms rustc 1.98.1
rust 1c.rs 20ms 1.3ms 1.1MB 10ms 0ms rustc 1.98.1
rust 6.rs 21ms 1.0ms 1.1MB 10ms 0ms rustc 1.98.1
rust 1.rs 24ms 0.5ms 1.1MB 10ms 0ms rustc 1.98.1
perl 1.pl 657ms 22ms 6.3MB 643ms 0ms perl 5.38.2

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 1.rs 1.6ms 0.3ms 1.9MB 0ms 0ms rustc 1.98.1
perl 1.pl 2.8ms 0.7ms 3.8MB 0ms 0ms perl 5.38.2

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 4-i.rs 221ms 1.1ms 1.1MB 210ms 0ms rustc 1.98.1
rust 7-i.rs 333ms 4.8ms 1.1MB 320ms 0ms rustc 1.98.1
rust 1.rs 361ms 3.0ms 1.1MB 350ms 0ms rustc 1.98.1
rust 2.rs 484ms 2.9ms 1.1MB 473ms 0ms rustc 1.98.1
perl 2.pl 42316ms 505ms 5.8MB 42303ms 0ms perl 5.38.2

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 4-i.rs 24ms 0.3ms 1.1MB 17ms 0ms rustc 1.98.1
rust 7-i.rs 36ms 0.4ms 1.1MB 23ms 0ms rustc 1.98.1
rust 1.rs 39ms 0.7ms 1.1MB 30ms 0ms rustc 1.98.1
rust 2.rs 52ms 0.8ms 1.1MB 43ms 0ms rustc 1.98.1
perl 2.pl 4206ms 31ms 5.8MB 4193ms 0ms perl 5.38.2

spectral-norm

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 7-m.rs 3024ms 23ms 2.2MB 11890ms 10ms rustc 1.98.1
rust 7.rs 5535ms 8.5ms 1.1MB 5527ms 0ms rustc 1.98.1
rust 2-m.rs 5819ms 1.9ms 2.4MB 22997ms 13ms rustc 1.98.1
rust 2.rs 11036ms 18ms 2.1MB 11023ms 0ms rustc 1.98.1
perl 4-m.pl 126524ms 1315ms 13.2MB 496153ms 227ms perl 5.38.2

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 7-m.rs 747ms 2.9ms 1.1MB 2903ms 7ms rustc 1.98.1
rust 7.rs 1386ms 2.3ms 1.1MB 1377ms 0ms rustc 1.98.1
rust 2-m.rs 1459ms 0.7ms 3.1MB 5733ms 3ms rustc 1.98.1
rust 2.rs 2762ms 2.0ms 1.1MB 2750ms 0ms rustc 1.98.1
perl 4-m.pl 31168ms 843ms 11.7MB 121797ms 47ms perl 5.38.2

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 7-m.rs 189ms 0.4ms 3.1MB 697ms 3ms rustc 1.98.1
rust 7.rs 351ms 1.2ms 1.1MB 340ms 0ms rustc 1.98.1
rust 2-m.rs 368ms 0.3ms 1.2MB 1410ms 3ms rustc 1.98.1
rust 2.rs 693ms 2.4ms 1.1MB 680ms 0ms rustc 1.98.1
perl 4-m.pl 7425ms 112ms 9.9MB 28747ms 17ms perl 5.38.2