Add support for Codspeed performance testing (#20)

Author: bifurcation

.github/workflows/ml-kem.yml

@@ -8,6 +8,7 @@ on:
       - "Cargo.*"
   push:
     branches: master
+  workflow-dispatch:
 
 defaults:
   run:
@@ -21,7 +22,7 @@ jobs:
   set-msrv:
     uses: RustCrypto/actions/.github/workflows/set-msrv.yml@master
     with:
-      msrv: 1.74.0
+      msrv: 1.76.0
 
   no_std:
     needs: set-msrv
@@ -69,6 +70,23 @@ jobs:
       - run: cargo test
       - run: cargo test --all-features
 
+  bench:
+    needs: set-msrv
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: RustCrypto/actions/cargo-cache@master
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: stable
+      - run: cargo install cargo-codspeed
+      - run: cargo codspeed build
+      - name: Run benchmarks
+        uses: CodSpeedHQ/action@v2
+        with:
+          token: ${{ secrets.CODSPEED_TOKEN }}
+          run: cargo codspeed run
+
   cross:
     needs: set-msrv
     strategy:

Cargo.lock

@@ -30,6 +30,7 @@ hex = "0.4.3"
 hex-literal = "0.4.1"
 rand = "0.8.5"
 crypto-common = { version = "0.1.6", features = ["rand_core"] }
+codspeed-criterion-compat = "2.6.0"
 
 [[bench]]
 name = "mlkem"

ml-kem/Cargo.toml

@@ -1,5 +1,5 @@
 use ::kem::{Decapsulate, Encapsulate};
-use criterion::{criterion_group, criterion_main, Criterion};
+use codspeed_criterion_compat::{criterion_group, criterion_main, Criterion};
 use crypto_common::rand_core::CryptoRngCore;
 use hybrid_array::{Array, ArraySize};
 use ml_kem::*;