Programming Language and compiler
Benchmarks

Crystal VS Rust benchmarks

Current benchmark data was generated on Thu Jul 13 2023, full log can be found HERE

CONTRIBUTIONS are WELCOME!

[x86_64][2 cores] Intel(R) Xeon(R) Platinum 8370C CPU @ 2.80GHz (Model 106)

* -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 1642ms 2.2ms 33.8MB 1623ms 3ms rustc 1.70.0
rust 5.rs 1724ms 5.8ms 33.9MB 1697ms 10ms rustc 1.70.0
crystal 1.cr 1788ms 5.5ms 64.4MB 1767ms 10ms crystal 1.9.0
rust 3.rs 1918ms 21ms 49.9MB 1893ms 7ms rustc 1.70.0

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 1.cr 139ms 2.3ms 11.3MB 127ms 0ms crystal 1.9.0
rust 4.rs 148ms 0.5ms 5.6MB 140ms 0ms rustc 1.70.0
rust 5.rs 156ms 0.5ms 5.7MB 143ms 0ms rustc 1.70.0
rust 3.rs 174ms 0.5ms 7.9MB 160ms 0ms rustc 1.70.0

coro-prime-sieve

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 5-m.rs 1526ms 487ms 5.5MB 2950ms 47ms rustc 1.70.0
crystal 1.cr 1819ms 61ms 20.4MB 1783ms 17ms crystal 1.9.0
rust 3.rs 1892ms 8.6ms 7.4MB 1837ms 37ms rustc 1.70.0
rust 3-m.rs 2420ms 212ms 7.2MB 4707ms 53ms rustc 1.70.0
rust 1-m.rs 2933ms 25ms 4.6MB 5687ms 90ms rustc 1.70.0
rust 4.rs 3210ms 10ms 4.3MB 3197ms 0ms rustc 1.70.0

Input: 1000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 3-m.rs 80ms 7.5ms 3.5MB 137ms 3ms rustc 1.70.0
crystal 1.cr 97ms 1.5ms 7.7MB 77ms 10ms crystal 1.9.0
rust 5-m.rs 101ms 25ms 3.5MB 163ms 7ms rustc 1.70.0
rust 3.rs 121ms 1.0ms 3.9MB 110ms 0ms rustc 1.70.0
rust 4.rs 212ms 1.4ms 2.2MB 200ms 0ms rustc 1.70.0
rust 1-m.rs 214ms 2.2ms 2.8MB 380ms 17ms rustc 1.70.0

edigits

Input: 250001

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 1.cr 80ms 0.7ms 7.2MB 63ms 7ms crystal 1.9.0
rust 1.rs 148ms 0.6ms 3.5MB 140ms 0ms rustc 1.70.0
rust 2.rs 597ms 0.6ms 3.8MB 580ms 3ms rustc 1.70.0

Input: 100000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 1.cr 29ms 0.7ms 5.4MB 17ms 3ms crystal 1.9.0
rust 1.rs 40ms 0.4ms 2.8MB 30ms 0ms rustc 1.70.0
rust 2.rs 112ms 0.2ms 3.1MB 100ms 0ms rustc 1.70.0

fannkuch-redux

Input: 11

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 3-im.rs 805ms 10ms 1.1MB 1557ms 0ms rustc 1.70.0
rust 2-im.rs 1055ms 3.5ms 1.0MB 2027ms 0ms rustc 1.70.0
rust 5-m.rs 1197ms 13ms 1.1MB 2310ms 0ms rustc 1.70.0
rust 3-i.rs 1678ms 2.7ms 1.0MB 1667ms 0ms rustc 1.70.0
rust 1-m.rs 1980ms 32ms 1.1MB 3797ms 0ms rustc 1.70.0
rust 2-i.rs 2298ms 0.8ms 1.0MB 2290ms 0ms rustc 1.70.0
crystal 1.cr 3629ms 9.7ms 2.9MB 3617ms 0ms crystal 1.9.0
rust 1.rs 3718ms 31ms 1.0MB 3707ms 0ms rustc 1.70.0

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 3-im.rs 72ms 1.1ms 1.0MB 120ms 0ms rustc 1.70.0
rust 2-im.rs 95ms 0.5ms 1.0MB 160ms 0ms rustc 1.70.0
rust 5-m.rs 112ms 1.6ms 1.0MB 183ms 0ms rustc 1.70.0
rust 3-i.rs 140ms 0.4ms 1.0MB 130ms 0ms rustc 1.70.0
rust 1-m.rs 172ms 4.7ms 1.1MB 310ms 0ms rustc 1.70.0
rust 2-i.rs 195ms 0.7ms 1.0MB 183ms 0ms rustc 1.70.0
crystal 1.cr 298ms 0.3ms 3.0MB 290ms 0ms crystal 1.9.0
rust 1.rs 314ms 4.7ms 1.0MB 300ms 0ms rustc 1.70.0

fasta

Input: 2500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 5c-m.rs 185ms 2.2ms 1.7MB 327ms 0ms rustc 1.73.0-nightly
rust 5-m.rs 204ms 3.5ms 1.8MB 367ms 0ms rustc 1.70.0
rust 1c.rs 228ms 1.2ms 1.1MB 220ms 0ms rustc 1.73.0-nightly
rust 1.rs 316ms 1.6ms 1.0MB 297ms 3ms rustc 1.70.0
crystal 2.cr 821ms 5.8ms 3.3MB 710ms 93ms crystal 1.9.0
crystal 1.cr 1041ms 2.4ms 14.8MB 917ms 107ms crystal 1.9.0

Input: 250000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 1c.rs 26ms 1.1ms 1.1MB 20ms 0ms rustc 1.73.0-nightly
rust 5c-m.rs 26ms 0.8ms 1.7MB 30ms 0ms rustc 1.73.0-nightly
rust 5-m.rs 29ms 2.2ms 1.7MB 33ms 0ms rustc 1.70.0
rust 1.rs 33ms 0.2ms 1.0MB 27ms 0ms rustc 1.70.0
crystal 2.cr 85ms 0.7ms 3.4MB 73ms 0ms crystal 1.9.0
crystal 1.cr 108ms 0.1ms 4.7MB 80ms 10ms crystal 1.9.0

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 1.rs 2.1ms 0.4ms 1.9MB 0ms 0ms rustc 1.73.0-nightly
rust 1.rs 2.1ms 0.4ms 2.0MB 0ms 0ms rustc 1.70.0
crystal 1.cr 2.3ms 0.5ms 3.0MB 0ms 0ms crystal 1.9.0

http-server

Input: 3000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 1.rs 222ms 15ms 48.5MB 100ms 140ms rustc 1.70.0
rust 2.rs 382ms 18ms 55.1MB 200ms 353ms rustc 1.70.0
rust 2-http2.rs 413ms 89ms 54.3MB 497ms 170ms rustc 1.70.0
rust 1-http2.rs 853ms 170ms 76.0MB 1097ms 400ms rustc 1.70.0
crystal 1.cr 3497ms 61ms 192.3MB 360ms 360ms crystal 1.9.0

Input: 500

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 1.rs 81ms 3.1ms 16.4MB 13ms 40ms rustc 1.70.0
rust 2.rs 125ms 9.5ms 25.9MB 37ms 73ms rustc 1.70.0
rust 2-http2.rs 275ms 67ms 31.4MB 347ms 80ms rustc 1.70.0
rust 1-http2.rs 339ms 80ms 27.2MB 447ms 80ms rustc 1.70.0
crystal 1.cr 1284ms 15ms 52.6MB 47ms 50ms crystal 1.9.0

lru

Input: 1000 1000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 0-unsafe.rs 49ms 0.4ms 1.0MB 40ms 0ms rustc 1.70.0
crystal 0-unsafe.cr 54ms 0.3ms 3.0MB 50ms 0ms crystal 1.9.0
rust 1.rs 69ms 0.8ms 1.0MB 57ms 0ms rustc 1.70.0
crystal 1.cr 143ms 54ms 3.0MB 130ms 0ms crystal 1.9.0

Input: 1000 3000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 0-unsafe.rs 206ms 0.8ms 1.0MB 200ms 0ms rustc 1.70.0
crystal 0-unsafe.cr 213ms 80ms 3.0MB 193ms 0ms crystal 1.9.0
crystal 1.cr 273ms 1.2ms 3.0MB 263ms 0ms crystal 1.9.0
rust 1.rs 290ms 0.2ms 1.0MB 280ms 0ms rustc 1.70.0

Input: 100 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 0-unsafe.cr 29ms 5.2ms 3.0MB 20ms 0ms crystal 1.9.0
rust 0-unsafe.rs 37ms 2.5ms 1.0MB 23ms 0ms rustc 1.70.0
rust 1.rs 46ms 0.4ms 1.0MB 40ms 0ms rustc 1.70.0
crystal 1.cr 49ms 4.2ms 3.1MB 37ms 0ms crystal 1.9.0

mandelbrot

Input: 5000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 9.rs 412ms 1.0ms 4.9MB 400ms 0ms rustc 1.73.0-nightly
rust 8.rs 490ms 1.3ms 4.9MB 477ms 0ms rustc 1.70.0
crystal 1.cr 585ms 11ms 9.8MB 570ms 0ms crystal 1.9.0

Input: 1000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 9.rs 19ms 0.1ms 1.1MB 10ms 0ms rustc 1.73.0-nightly
rust 8.rs 23ms 0.5ms 1.0MB 10ms 0ms rustc 1.70.0
crystal 1.cr 29ms 0.2ms 6.9MB 20ms 0ms crystal 1.9.0

merkletrees

Input: 17

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 1.rs 930ms 5.0ms 33.9MB 907ms 7ms rustc 1.70.0
crystal 1.cr 1237ms 24ms 64.4MB 1210ms 13ms crystal 1.9.0

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 1.rs 195ms 2.3ms 9.9MB 183ms 0ms rustc 1.70.0
crystal 1.cr 226ms 8.6ms 17.5MB 210ms 0ms crystal 1.9.0

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 4-i.rs 255ms 0.2ms 1.0MB 247ms 0ms rustc 1.70.0
rust 3.rs 321ms 0.4ms 1.0MB 310ms 0ms rustc 1.73.0-nightly
rust 7-i.rs 322ms 0.4ms 1.1MB 310ms 0ms rustc 1.70.0
rust 2.rs 332ms 2.6ms 1.0MB 323ms 0ms rustc 1.70.0
rust 1.rs 390ms 4.6ms 1.1MB 377ms 0ms rustc 1.70.0
crystal 2.cr 450ms 0.3ms 2.9MB 437ms 0ms crystal 1.9.0
crystal 1.cr 468ms 29ms 3.0MB 457ms 0ms crystal 1.9.0

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 4-i.rs 28ms 0.2ms 1.1MB 20ms 0ms rustc 1.70.0
rust 7-i.rs 34ms 0.2ms 1.1MB 27ms 0ms rustc 1.70.0
rust 3.rs 35ms 1.1ms 1.0MB 23ms 0ms rustc 1.73.0-nightly
rust 2.rs 35ms 0.3ms 1.0MB 30ms 0ms rustc 1.70.0
rust 1.rs 41ms 0.6ms 1.1MB 30ms 0ms rustc 1.70.0
crystal 2.cr 48ms 0.1ms 2.9MB 40ms 0ms crystal 1.9.0
crystal 1.cr 48ms 0.8ms 3.0MB 40ms 0ms crystal 1.9.0

nsieve

Input: 12

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 2.cr 458ms 6.2ms 8.0MB 443ms 0ms crystal 1.9.0
rust 2.rs 459ms 1.6ms 6.6MB 443ms 0ms rustc 1.70.0
rust 1.rs 519ms 15ms 40.9MB 497ms 7ms rustc 1.70.0
crystal 1.cr 604ms 9.8ms 42.6MB 583ms 0ms crystal 1.9.0

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 2.rs 102ms 1.2ms 3.1MB 90ms 0ms rustc 1.70.0
crystal 2.cr 103ms 0.3ms 4.1MB 90ms 0ms crystal 1.9.0
rust 1.rs 124ms 4.5ms 11.6MB 110ms 0ms rustc 1.70.0
crystal 1.cr 140ms 4.1ms 13.0MB 127ms 0ms crystal 1.9.0

pidigits

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 2.rs 1748ms 0.4ms 2.8MB 1683ms 47ms rustc 1.70.0
rust 1.rs 1879ms 1.5ms 2.8MB 1703ms 163ms rustc 1.70.0
crystal 1.cr 2576ms 68ms 6.6MB 2557ms 3ms crystal 1.9.0

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 2.rs 389ms 0.2ms 2.4MB 377ms 0ms rustc 1.70.0
rust 1.rs 399ms 0.5ms 2.5MB 380ms 3ms rustc 1.70.0
crystal 1.cr 583ms 11ms 5.4MB 570ms 0ms crystal 1.9.0

spectral-norm

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 8-m.rs 1057ms 1.6ms 2.5MB 2053ms 0ms rustc 1.73.0-nightly
rust 7-m.rs 1469ms 5.7ms 2.2MB 2853ms 0ms rustc 1.70.0
rust 8.rs 2060ms 0.8ms 2.4MB 2047ms 0ms rustc 1.73.0-nightly
rust 2-m.rs 2810ms 17ms 2.3MB 5467ms 10ms rustc 1.70.0
rust 7.rs 2956ms 3.2ms 1.0MB 2947ms 0ms rustc 1.70.0
crystal 1.cr timeout 0.0ms 4.4MB 4983ms 0ms crystal 1.9.0
rust 2.rs timeout 0.0ms 2.2MB 4990ms 0ms rustc 1.70.0

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 8-m.rs 276ms 3.1ms 2.1MB 503ms 3ms rustc 1.73.0-nightly
rust 7-m.rs 376ms 1.4ms 1.0MB 710ms 0ms rustc 1.70.0
rust 8.rs 518ms 0.5ms 2.2MB 507ms 0ms rustc 1.73.0-nightly
rust 2-m.rs 717ms 3.1ms 2.1MB 1367ms 3ms rustc 1.70.0
rust 7.rs 742ms 1.2ms 1.0MB 730ms 0ms rustc 1.70.0
rust 2.rs 1423ms 0.6ms 1.1MB 1410ms 0ms rustc 1.70.0
crystal 1.cr 1433ms 0.2ms 3.9MB 1423ms 0ms crystal 1.9.0

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
rust 8-m.rs 74ms 1.1ms 1.0MB 127ms 0ms rustc 1.73.0-nightly
rust 7-m.rs 102ms 1.8ms 1.0MB 170ms 0ms rustc 1.70.0
rust 8.rs 131ms 0.1ms 1.1MB 120ms 0ms rustc 1.73.0-nightly
rust 2-m.rs 184ms 0.6ms 1.1MB 333ms 0ms rustc 1.70.0
rust 7.rs 188ms 1.0ms 1.1MB 177ms 0ms rustc 1.70.0
rust 2.rs 358ms 0.8ms 1.1MB 350ms 0ms rustc 1.70.0
crystal 1.cr 364ms 0.3ms 4.0MB 350ms 0ms crystal 1.9.0