Target x86-64-v2 (~2% gain), enable thin lto (~1% gain)

quickwit-oss · Mar 25, 2024 · 6b3e021 · 6b3e021
1 parent 1ebcae9
commit 6b3e021
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diff --git a/.cargo/config.toml b/.cargo/config.toml
@@ -0,0 +1,8 @@
+[target.x86_64-unknown-linux-gnu]
+# Targetting x86-64-v2 gives a ~2% performance boost while only
+# disallowing Intel CPUs older than 2008 and AMD CPUs older than 2011.
+# None of those very old CPUs are used in GCP
+# (https://cloud.google.com/compute/docs/cpu-platforms). Unfortunately,
+# AWS does not seem to disclose the exact CPUs they use.
+rustflags = ["-C", "target-cpu=x86-64-v2"]
+
diff --git a/.gitignore b/.gitignore
@@ -22,7 +22,6 @@ QUESTIONS.txt
 .idea
 .vscode
 .vscode-license
-.cargo
 deps
 qwdata
 elastic-search-artifacts

diff --git a/quickwit/Cargo.toml b/quickwit/Cargo.toml
@@ -349,3 +349,6 @@ sasl2-sys = { git = "https://github.com/quickwit-oss/rust-sasl/", rev = "daca921
 
 [profile.dev]
 debug = false
+
+[profile.release]
+lto = "thin"