Programming Language and compiler
Benchmarks

Crystal VS Typescript benchmarks

Current benchmark data was generated on Sun Jul 13 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
typescript 1.ts 1033ms 8.1ms 393.7MB 990ms 190ms deno 2.4.1
crystal 1.cr 1241ms 14ms 64.2MB 1213ms 13ms crystal 1.16.3

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 1.cr 105ms 3.7ms 11.0MB 93ms 0ms crystal 1.16.3
typescript 1.ts 129ms 0.9ms 81.2MB 130ms 27ms deno 2.4.1

coro-prime-sieve

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
typescript 1.ts 1236ms 5.2ms 122.7MB 1227ms 60ms deno 2.4.1
crystal 1.cr 1511ms 17ms 19.9MB 1450ms 47ms crystal 1.16.3

Input: 1000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 1.cr 86ms 1.4ms 7.1MB 63ms 13ms crystal 1.16.3
typescript 1.ts 146ms 2.5ms 73.0MB 123ms 23ms deno 2.4.1

edigits

Input: 250001

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 1.cr 59ms 1.2ms 7.6MB 40ms 3ms crystal 1.16.3

Input: 100000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 1.cr 23ms 0.9ms 5.3MB 10ms 0ms crystal 1.16.3

fannkuch-redux

Input: 11

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 1.cr 2476ms 14ms 2.9MB 2467ms 0ms crystal 1.16.3

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 1.cr 205ms 3.2ms 2.9MB 197ms 0ms crystal 1.16.3

fasta

Input: 2500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 2.cr 534ms 3.4ms 3.6MB 443ms 73ms crystal 1.16.3
crystal 1.cr 676ms 1.2ms 14.6MB 570ms 93ms crystal 1.16.3
typescript 1.ts 2107ms 27ms 59.5MB 1987ms 123ms deno 2.4.1

Input: 250000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 2.cr 57ms 1.2ms 3.5MB 40ms 3ms crystal 1.16.3
crystal 1.cr 73ms 2.0ms 4.4MB 57ms 3ms crystal 1.16.3
typescript 1.ts 245ms 2.7ms 59.5MB 223ms 23ms deno 2.4.1

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 1.cr 1.9ms 0.2ms 2.9MB 0ms 0ms crystal 1.16.3
typescript 1.ts 27ms 0.5ms 45.9MB 10ms 4ms deno 2.4.1

http-server

Input: 3000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
typescript 1-m.ts 660ms 3.1ms 240.3MB 617ms 410ms deno 2.4.1
typescript 2-m.ts 696ms 11ms 241.4MB 633ms 427ms deno 2.4.1
typescript 1-http2.ts 785ms 13ms 233.0MB 753ms 380ms deno 2.4.1
typescript 2-tls.ts 1355ms 20ms 260.2MB 1230ms 493ms deno 2.4.1
crystal 1.cr 1888ms 247ms 299.0MB 317ms 443ms crystal 1.16.3

Input: 500

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
typescript 1.ts 169ms 0.6ms 92.8MB 123ms 90ms deno 2.4.1
typescript 2.ts 172ms 3.5ms 92.4MB 130ms 90ms deno 2.4.1
typescript 1-http2.ts 200ms 3.0ms 95.8MB 153ms 80ms deno 2.4.1
typescript 2-tls.ts 346ms 6.9ms 100.4MB 273ms 120ms deno 2.4.1
crystal 1.cr 1291ms 23ms 53.0MB 33ms 70ms crystal 1.16.3

lru

Input: 1000 1000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 0-unsafe.cr 35ms 0.6ms 3.0MB 30ms 0ms crystal 1.16.3
crystal 1.cr 65ms 0.7ms 3.0MB 60ms 0ms crystal 1.16.3
typescript 2.ts 281ms 0.5ms 65.2MB 270ms 17ms deno 2.4.1
typescript 1.ts 590ms 2.8ms 63.3MB 570ms 17ms deno 2.4.1

Input: 1000 3000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 0-unsafe.cr 101ms 1.8ms 3.0MB 90ms 0ms crystal 1.16.3
crystal 1.cr 186ms 0.4ms 3.0MB 180ms 0ms crystal 1.16.3
typescript 2.ts 747ms 3.0ms 72.7MB 733ms 20ms deno 2.4.1
typescript 1.ts 1695ms 6.1ms 70.2MB 1673ms 17ms deno 2.4.1

Input: 100 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 0-unsafe.cr 18ms 0.7ms 3.0MB 10ms 0ms crystal 1.16.3
crystal 1.cr 30ms 1.1ms 3.0MB 20ms 0ms crystal 1.16.3
typescript 2.ts 142ms 0.8ms 59.1MB 127ms 13ms deno 2.4.1
typescript 1.ts 172ms 2.3ms 60.6MB 157ms 10ms deno 2.4.1

mandelbrot

Input: 5000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 1.cr 316ms 2.0ms 9.3MB 303ms 0ms crystal 1.16.3

Input: 1000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 1.cr 17ms 0.1ms 5.8MB 10ms 0ms crystal 1.16.3

merkletrees

Input: 17

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
typescript 1.ts 561ms 3.8ms 229.4MB 570ms 113ms deno 2.4.1
crystal 1.cr 843ms 9.4ms 64.2MB 820ms 10ms crystal 1.16.3

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
typescript 1.ts 158ms 4.4ms 100.2MB 153ms 40ms deno 2.4.1
crystal 1.cr 178ms 3.9ms 22.2MB 163ms 0ms crystal 1.16.3

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 2.cr 343ms 3.1ms 3.3MB 333ms 0ms crystal 1.16.3
crystal 1.cr 347ms 1.5ms 3.3MB 337ms 0ms crystal 1.16.3
typescript 6.ts 464ms 2.3ms 58.0MB 450ms 10ms deno 2.4.1

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 1.cr 37ms 0.6ms 3.3MB 30ms 0ms crystal 1.16.3
crystal 2.cr 38ms 0.9ms 3.3MB 30ms 0ms crystal 1.16.3
typescript 6.ts 78ms 1.2ms 58.1MB 63ms 10ms deno 2.4.1

nsieve

Input: 12

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 2.cr 351ms 3.7ms 8.3MB 340ms 0ms crystal 1.16.3
crystal 1.cr 418ms 6.0ms 43.0MB 407ms 0ms crystal 1.16.3

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 2.cr 87ms 1.6ms 4.5MB 80ms 0ms crystal 1.16.3
crystal 1.cr 92ms 2.2ms 13.1MB 80ms 0ms crystal 1.16.3

pidigits

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 1.cr 1967ms 53ms 6.3MB 1943ms 13ms crystal 1.16.3
typescript 3.ts timeout 0.0ms 134.7MB 4923ms 113ms deno 2.4.1

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 1.cr 446ms 6.4ms 5.0MB 433ms 0ms crystal 1.16.3
typescript 3.ts 1170ms 26ms 78.6MB 1113ms 73ms deno 2.4.1

spectral-norm

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 1.cr 3757ms 13ms 4.5MB 3747ms 0ms crystal 1.16.3
typescript 7.ts 4048ms 25ms 58.0MB 4033ms 7ms deno 2.4.1

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 1.cr 948ms 9.2ms 4.4MB 937ms 0ms crystal 1.16.3
typescript 7.ts 1037ms 3.5ms 57.6MB 1023ms 10ms deno 2.4.1

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
crystal 1.cr 238ms 1.0ms 3.9MB 230ms 0ms crystal 1.16.3
typescript 7.ts 283ms 4.6ms 56.5MB 267ms 10ms deno 2.4.1