ci: add benchmark against main

.github/workflows/main.yml

@@ -42,20 +42,16 @@ jobs:
       - run: just test
       - uses: ./.github/actions/cache_save
 
-  benchmark:
-    runs-on: ubuntu-latest
+# benchmark:
+#   runs-on: ubuntu-latest
 
-    steps:
-      - uses: actions/checkout@v4
+#   steps:
+#     - uses: actions/checkout@v4
 
-      - uses: ./.github/actions/cache_restore
-      - uses: actions/download-artifact@v4
-        continue-on-error: true
-        with:
-          name: bench
-      - run: cargo install just
-      - run: just coverage
-      - uses: ./.github/actions/cache_save
+#     - uses: ./.github/actions/cache_restore
+#     - run: cargo install just
+#     - run: just bench_against_main
+#     - uses: ./.github/actions/cache_save
 
   coverage:
     runs-on: ubuntu-latest

justfile

@@ -119,7 +119,18 @@ audit: cargo_deny
 
 # Benchmark
 bench:
+    cargo bench -p imap-codec --all-features bench_command_parse_simple
+
+# Benchmark against main
+bench_against_main:
+    rm -rf target/bench_tmp
+    mkdir -p target/bench_tmp
+    git clone --depth 1 https://github.com/duesee/imap-codec target/bench_tmp
+    cd target/bench_tmp; cargo bench -p imap-codec --all-features
+    rm -rf target/criterion
+    cp -r target/bench_tmp/target/criterion target/criterion
     cargo bench -p imap-codec --all-features
+    rm -rf target/bench_tmp
 
 # Measure test coverage
 coverage: install_rust_llvm_tools_preview install_cargo_grcov