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# Runs the comparison benchmark (tzcraft vs chrono / time / jiff), appends
# the dependency and `unsafe` footprint, and commits the assembled report to
# `benchmark.md` in the repository root.
#
# The three comparison libraries live only in the `benchmarks/` package
# (`publish = false`); `tzcraft`'s own dependency graph is unaffected.
name: Benchmark
on:
push:
branches:
paths-ignore:
- benchmark.md
- benchmarks/Cargo.lock
workflow_dispatch:
permissions:
contents: write
env:
CARGO_TERM_COLOR: always
jobs:
benchmark:
name: tzcraft vs chrono / time / jiff
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
- uses: dtolnay/rust-toolchain@4360b52568e2003a75bf9bc1d59f33a8e3fc893c # stable
- uses: Swatinem/rust-cache@49a0bdc70d2e1b713ca9e2869b211fcce03d3c1c # v2
with:
workspaces: benchmarks
- name: Run the comparison harness
run: cargo run --release --manifest-path benchmarks/Cargo.toml -- benchmark.md "$(date -u +%Y-%m-%dT%H:%M:%SZ)" "$(git rev-parse --short HEAD)" "$(uname -srm)"
- name: Append dependency and unsafe footprint
run: bash benchmarks/footprint.sh benchmark.md
- name: Commit benchmark.md
run: |
git config user.name "github-actions[bot]"
git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
git add benchmark.md benchmarks/Cargo.lock
if git diff --cached --quiet; then
echo "No benchmark changes; nothing to commit."
else
git commit -m "Update benchmark report"
git push
fi