diff options
| author | Alan Wu <[email protected]> | 2023-01-16 16:23:08 -0500 |
|---|---|---|
| committer | Alan Wu <[email protected]> | 2023-01-16 17:32:15 -0500 |
| commit | 14fe7a081a8260bbbfc7929a14ec4187faaa3c25 (patch) | |
| tree | 32fafdd560634b9a1b2345796df1d167f4271dab | |
| parent | b5725959184d6306b2ede1f16c9dd3dff4b2740c (diff) | |
YJIT: Use ThinLTO for Rust parts in release mode
This reduces the code size of libyjit.a by a lot. On darwin it went from
23 MiB to 12 MiB for me. I chose ThinLTO over fat LTO for the relatively
fast build time; in case we need to debug release-build-only problems
it won't be painful.
Notes
Notes:
Merged: https://github.com/ruby/ruby/pull/7134
| -rw-r--r-- | common.mk | 1 | ||||
| -rw-r--r-- | yjit/Cargo.toml | 2 |
2 files changed, 3 insertions, 0 deletions
@@ -225,6 +225,7 @@ YJIT_RUSTC_ARGS = --crate-name=yjit \ --crate-type=staticlib \ --edition=2021 \ -g \ + -C lto=thin \ -C opt-level=3 \ -C overflow-checks=on \ '--out-dir=$(CARGO_TARGET_DIR)/release/' \ diff --git a/yjit/Cargo.toml b/yjit/Cargo.toml index 18b1d10bd8..d2d54edc78 100644 --- a/yjit/Cargo.toml +++ b/yjit/Cargo.toml @@ -45,3 +45,5 @@ opt-level = 3 overflow-checks = true # Generate debug info debug = true +# Use ThinLTO. Much smaller output for a small amount of build time increase. +lto = "thin" |