Merge pull request #268 from hatoo/pgo

Enable: Profile-Guided Optimization (PGO)

Author: hatoo

.gitignore

@@ -1,3 +1,3 @@
-/target
+**/target
 /.idea
 /.vscode

Cargo.toml

@@ -84,3 +84,14 @@ regex = "1.9.6"
 [target.'cfg(unix)'.dev-dependencies]
 tempfile = "3.10.0"
 actix-web = "4"
+
+[profile.pgo]
+inherits = "release"
+# https://github.com/TechEmpower/FrameworkBenchmarks/blob/master/frameworks/Rust/faf/Cargo.toml + lto=true
+opt-level = 3
+panic = 'abort'
+codegen-units = 1
+lto = true
+debug = false
+incremental = false
+overflow-checks = false

justfile

@@ -0,0 +1,7 @@
+pgo:
+    #!/bin/bash
+    trap "kill 0" EXIT
+    cargo run --release --manifest-path pgo/server/Cargo.toml &
+    # Should be more than 1m
+    cargo pgo run -- --profile pgo -- -z 3m -c 900 --no-tui http://localhost:8888
+    cargo pgo optimize build -- --profile pgo