Performance¶

# pip install markdown markdown2 markdown-it-py mistletoe mistune pyromark requests
from operator import itemgetter
from timeit import timeit

import markdown
import markdown2
import markdown_it
import mistletoe
import mistune
import pyromark
import requests

text = requests.get(
    "https://raw.githubusercontent.com/rust-lang/rust/refs/tags/1.82.0/INSTALL.md"
).text

results = {
    library: timeit(renderer, number=1000)
    for library, renderer in (
        (markdown_it, lambda: markdown_it.MarkdownIt().render(text)),
        (markdown, lambda: markdown.markdown(text)),
        (mistune, lambda: mistune.html(text)),
        (markdown2, lambda: markdown2.markdown(text)),
        (mistletoe, lambda: mistletoe.markdown(text)),
        (pyromark, lambda: pyromark.html(text)),
    )
}

print("| Library | Version | Seconds | n times slower than pyromark |")
print("| ------- | ------- | ------- | ---------------------------- |")
for library, seconds in sorted(
    results.items(), key=itemgetter(1), reverse=True
):
    print(
        "|",
        library.__name__,
        "|",
        library.__version__,
        "|",
        format(seconds, ".3f"),
        "|",
        format(seconds / results[pyromark], ".0f"),
        "|",
    )