Add CodSpeed continuous performance testing

.github/workflows/codspeed.yml

@@ -0,0 +1,37 @@
+name: CodSpeed
+
+on:
+  push:
+    branches:
+      - "main"
+  pull_request:
+  # `workflow_dispatch` allows CodSpeed to trigger backtest
+  # performance analysis in order to generate initial data.
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  id-token: write
+
+jobs:
+  codspeed:
+    name: Run benchmarks
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup rust toolchain, cache and cargo-codspeed binary
+        uses: moonrepo/setup-rust@v0
+        with:
+          channel: stable
+          cache-target: release
+          bins: cargo-codspeed
+
+      - name: Build the benchmark target(s)
+        run: cargo codspeed build --bench parse_benchmark
+
+      - name: Run the benchmarks
+        uses: CodSpeedHQ/action@v4
+        with:
+          mode: simulation
+          run: cargo codspeed run --bench parse_benchmark

Cargo.toml

@@ -25,6 +25,7 @@ rstest = "0.25"
 tempfile = "3.23"
 approx = "0.5.1"
 criterion = "0.5"
+codspeed-criterion-compat = "4.4.1"
 
 [features]
 python = ["pyo3", "arrow/pyarrow"]

README.md

@@ -1,4 +1,5 @@
 [![Build Status](https://github.com/mluttikh/xml2arrow/actions/workflows/ci.yml/badge.svg)](https://github.com/mluttikh/xml2arrow/actions/workflows/ci.yml)
+[![CodSpeed](https://img.shields.io/endpoint?url=https://codspeed.io/badge.json)](https://codspeed.io/mluttikh/xml2arrow?utm_source=badge)
 [![crates.io](https://img.shields.io/crates/v/xml2arrow)](https://crates.io/crates/xml2arrow)
 [![crates.io](https://img.shields.io/crates/d/xml2arrow)](https://crates.io/crates/xml2arrow)
 [![docs.rs](https://docs.rs/xml2arrow/badge.svg)](https://docs.rs/xml2arrow)

benches/parse_benchmark.rs

@@ -1,4 +1,4 @@
-use criterion::{BenchmarkId, Criterion, Throughput, criterion_group, criterion_main};
+use codspeed_criterion_compat::{BenchmarkId, Criterion, Throughput, criterion_group, criterion_main};
 use std::time::Duration;
 use xml2arrow::{Config, parse_xml};