Zig VS Javascript benchmarks

Current benchmark data was generated on Thu May 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
javascript 1-m.js 961ms 19ms 189.3MB 1440ms 253ms bun 1.2.11
javascript 1-m.js 1237ms 36ms 250.6MB 2120ms 157ms node 23.11.0
zig 1.zig 1721ms 8.7ms 49.0MB 1690ms 17ms zig 0.14.0

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1.js 101ms 3.1ms 79.5MB 77ms 30ms bun 1.2.11
javascript 1.js 125ms 2.3ms 78.7MB 127ms 27ms node 23.11.0
zig 1.zig 156ms 0.8ms 7.0MB 147ms 0ms zig 0.14.0

edigits

Input: 250001

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1.js 271ms 3.9ms 63.7MB 287ms 23ms node 23.11.0
javascript 1.js 522ms 4.8ms 77.6MB 497ms 20ms bun 1.2.11
zig 1.zig 2257ms 3.8ms 2.5MB 2227ms 17ms zig 0.14.0

Input: 100000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1.js 124ms 0.7ms 61.4MB 143ms 17ms node 23.11.0
zig 1.zig 382ms 3.2ms 1.9MB 363ms 3ms zig 0.14.0
javascript 1.js 500ms 3.0ms 67.6MB 477ms 20ms bun 1.2.11

fannkuch-redux

Input: 11

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 2-m.zig 632ms 6.8ms 1.4MB 2400ms 0ms zig 0.14.0
zig 3-i.zig 1765ms 2.1ms 1.0MB 1757ms 0ms zig 0.14.0
zig 1.zig 2717ms 3.5ms 1.0MB 2707ms 0ms zig 0.14.0

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 2-m.zig 60ms 0.7ms 1.4MB 200ms 0ms zig 0.14.0
zig 3-i.zig 147ms 0.2ms 1.0MB 140ms 0ms zig 0.14.0
zig 1.zig 228ms 1.2ms 1.0MB 220ms 0ms zig 0.14.0

fasta

Input: 2500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 88ms 1.7ms 1.0MB 80ms 0ms zig 0.14.0

Input: 250000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 11ms 0.8ms 1.0MB 0ms 0ms zig 0.14.0

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 1.1ms 0.2ms 1.1MB 0ms 0ms zig 0.14.0
javascript 1.js 13ms 0.3ms 33.4MB 0ms 10ms bun 1.2.11
javascript 1.js 30ms 0.8ms 47.7MB 18ms 2ms node 23.11.0

knucleotide

Input: 2500000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1-m.zig 315ms 1.9ms 67.1MB 830ms 30ms zig 0.14.0
zig 1.zig 504ms 5.3ms 28.1MB 477ms 10ms zig 0.14.0

Input: 250000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1-m.zig 64ms 1.1ms 54.4MB 133ms 27ms zig 0.14.0
zig 1.zig 66ms 1.8ms 15.4MB 50ms 0ms zig 0.14.0

lru

Input: 1000 1000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 35ms 2.4ms 2.8MB 27ms 0ms zig 0.14.0
javascript 2.js 307ms 2.3ms 62.8MB 297ms 13ms node 23.11.0
javascript 1.js 555ms 1.1ms 60.6MB 540ms 10ms node 23.11.0
javascript 2.js 654ms 7.6ms 121.9MB 707ms 60ms bun 1.2.11
javascript 1.js 824ms 5.1ms 111.6MB 920ms 73ms bun 1.2.11

Input: 1000 3000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 91ms 1.2ms 2.8MB 80ms 0ms zig 0.14.0
javascript 2.js 840ms 2.4ms 68.5MB 830ms 17ms node 23.11.0
javascript 1.js 1579ms 1.6ms 68.0MB 1563ms 13ms node 23.11.0
javascript 2.js 1820ms 2.5ms 122.2MB 1987ms 77ms bun 1.2.11
javascript 1.js 2446ms 103ms 112.9MB 2770ms 150ms bun 1.2.11

Input: 100 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 16ms 1.2ms 1.3MB 10ms 0ms zig 0.14.0
javascript 1.js 161ms 1.1ms 58.0MB 150ms 7ms node 23.11.0
javascript 2.js 163ms 0.7ms 56.5MB 160ms 7ms node 23.11.0
javascript 1.js 317ms 2.2ms 115.6MB 353ms 77ms bun 1.2.11
javascript 2.js 354ms 4.5ms 125.5MB 377ms 50ms bun 1.2.11

mandelbrot

Input: 5000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 247ms 0.5ms 4.1MB 240ms 0ms zig 0.14.0

Input: 1000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 12ms 0.0ms 1.1MB 10ms 0ms zig 0.14.0

merkletrees

Input: 17

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1-m.js 487ms 5.6ms 135.7MB 657ms 133ms bun 1.2.11
javascript 1.js 533ms 5.3ms 130.5MB 620ms 57ms node 23.11.0
zig 1.zig 858ms 3.7ms 41.0MB 830ms 13ms zig 0.14.0

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 1.js 115ms 2.7ms 87.3MB 100ms 30ms bun 1.2.11
javascript 1.js 158ms 1.6ms 98.3MB 160ms 33ms node 23.11.0
zig 1.zig 180ms 6.0ms 11.0MB 163ms 0ms zig 0.14.0

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 3.zig 198ms 1.2ms 1.0MB 190ms 0ms zig 0.14.0
zig 2.zig 279ms 0.4ms 1.0MB 270ms 0ms zig 0.14.0
zig 1.zig 315ms 1.0ms 1.1MB 307ms 0ms zig 0.14.0
javascript 6.js 457ms 5.8ms 56.0MB 443ms 10ms node 23.11.0
javascript 6.js 609ms 19ms 45.5MB 600ms 3ms bun 1.2.11

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 3.zig 22ms 0.3ms 1.1MB 10ms 0ms zig 0.14.0
zig 2.zig 30ms 0.1ms 1.0MB 20ms 0ms zig 0.14.0
zig 1.zig 34ms 0.6ms 1.1MB 23ms 0ms zig 0.14.0
javascript 6.js 76ms 0.8ms 55.8MB 67ms 3ms node 23.11.0
javascript 6.js 80ms 2.5ms 45.6MB 73ms 3ms bun 1.2.11

nsieve

Input: 12

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 271ms 2.6ms 40.2MB 250ms 0ms zig 0.14.0
zig 2.zig 328ms 2.4ms 6.0MB 320ms 0ms zig 0.14.0

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 54ms 4.4ms 10.9MB 47ms 0ms zig 0.14.0
zig 2.zig 81ms 0.9ms 2.3MB 70ms 0ms zig 0.14.0

pidigits

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 2466ms 3.3ms 2.2MB 2437ms 13ms zig 0.14.0
javascript 3.js 4795ms 24ms 88.0MB 4770ms 27ms node 23.11.0

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 567ms 2.8ms 1.8MB 553ms 0ms zig 0.14.0
javascript 3.js 1040ms 4.3ms 70.7MB 1020ms 13ms node 23.11.0

spectral-norm

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 6-m.js 2187ms 17ms 115.2MB 8297ms 57ms node 23.11.0
zig 1.zig 3689ms 4.3ms 1.4MB 3683ms 0ms zig 0.14.0

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
javascript 6-m.js 649ms 2.4ms 112.8MB 2323ms 50ms node 23.11.0
zig 1.zig 923ms 3.3ms 1.3MB 913ms 0ms zig 0.14.0

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 232ms 0.1ms 1.3MB 220ms 0ms zig 0.14.0
javascript 6-m.js 270ms 4.4ms 109.9MB 840ms 50ms node 23.11.0