Rust template engine benchmarks

This repo tries to assess Rust template engine performance. Templating engines are grouped into two broad categories:

Compiled Templates

These engines require you to rebuild when a template changes.

write!: The std library write! macro
Askama: Type-safe, compiled Jinja-like templates for Rust
Horrorshow: A macro-based html builder for rust
Ructe: Rust Compiled Templates with static-file handling
fomat: Alternative syntax for printing macros in Rust
Markup: A blazing fast, type-safe template engine for Rust
Maud: Compile-time HTML templates for Rust
Sailfish: Simple, small, and extremely fast template engine for Rust

Runtime Templates

These engines do not require a rebuild of your rust codebase when a template changes.

Handlebars: Rust templating with Handlebars
Tera: A template engine for Rust based on Jinja2/Django
Liquid: Liquid templating for Rust
MiniJinja: A powerful but minimal dependency template engine for Rust compatible with Jinja/Jinja2
Ramhorns: Fast Mustache template engine implementation in pure Rust

Results

These results are from Oct 4, 2024 (rustc 1.81.0), running on an MacBook Pro 16 (M1 Pro)

As a violin plot generated by Criterion:

Compiled:
Big table/write         time:   [184.09 µs 184.65 µs 185.23 µs]
Big table/Askama        time:   [301.07 µs 312.39 µs 331.58 µs]
Big table/Horrorshow    time:   [136.25 µs 142.29 µs 150.23 µs]
Big table/Ructe         time:   [160.09 µs 161.40 µs 163.04 µs]
Big table/fomat         time:   [177.22 µs 177.92 µs 178.62 µs]
Big table/Markup        time:   [115.97 µs 119.46 µs 124.76 µs]
Big table/Maud          time:   [62.113 µs 62.316 µs 62.519 µs]
Big table/Sailfish      time:   [16.435 µs 16.495 µs 16.583 µs]

Runtime:
Big table/Handlebars    time:   [3.2255 ms 3.2312 ms 3.2372 ms]
Big table/Tera          time:   [659.13 µs 663.30 µs 668.73 µs]
Big table/Liquid        time:   [3.6458 ms 3.6648 ms 3.6928 ms]
Big table/MiniJinja     time:   [618.52 ns 639.94 ns 684.72 ns]
Big table/Ramhorns      time:   [229.09 µs 234.91 µs 244.36 µs]

Compiled:
Teams/write             time:   [396.62 ns 397.35 ns 398.10 ns]
Teams/Askama            time:   [355.20 ns 357.99 ns 362.03 ns]
Teams/Horrorshow        time:   [230.91 ns 232.11 ns 234.06 ns]
Teams/Ructe             time:   [383.72 ns 398.63 ns 420.88 ns]
Teams/fomat             time:   [279.27 ns 279.94 ns 280.73 ns]
Teams/Markup            time:   [168.36 ns 169.51 ns 171.64 ns]
Teams/Maud              time:   [112.54 ns 112.97 ns 113.56 ns]
Teams/Sailfish          time:   [94.049 ns 94.650 ns 95.421 ns]

Runtime:
Teams/Handlebars        time:   [3.2577 µs 3.2621 µs 3.2663 µs]
Teams/Tera              time:   [1.9999 µs 2.0037 µs 2.0076 µs]
Teams/Liquid            time:   [3.6255 µs 3.6374 µs 3.6487 µs]
Teams/MiniJinja         time:   [1.8406 µs 1.9110 µs 2.0208 µs]
Teams/Ramhorns          time:   [316.34 ns 316.90 ns 317.46 ns]

Running the benchmarks

./run-bench.sh

Plots will be rendered if gnuplot is installed and will be available in the target/criterion folder.

asalvi0/template-benchmarks-rs

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