"hello world" binary size increase in each release #75804
Description
The binary size of "hello world" program increased in each release:
Detail table
| Rust version | debug | debug - stripped | release | release - stripped |
|---|---|---|---|---|
| 1.32.0 | 2382904 | 199096 | 2375720 | 199016 |
| 1.40.0 | 2595400 | 215464 | 2588264 | 215384 |
| 1.41.0 | 2637336 | 215464 | 2629832 | 215384 |
| 1.42.0 | 2659672 | 211368 | 2652488 | 211288 |
| 1.43.0 | 2729192 | 223584 | 2722128 | 223504 |
| 1.44.0 | 2584120 | 248160 | 2579144 | 248080 |
| 1.45.0 | 2847440 | 244064 | 2842464 | 243984 |
| beta | 2848152 | 244064 | 2843168 | 243984 |
| nightly | 3210208 | 293200 | 3203712 | 293112 |
main.rs
fn main() {
println!("hello world");
}Script to reproduce
rustup set profile minimal
rustup toolchain install 1.{40..45}.0 beta nightly
RUST_DBG_FLAGS='-C debuginfo=1 -C panic=abort -C opt-level=0'
RUST_REL_FLAGS='-C debuginfo=0 -C panic=abort -C opt-level=3'
mkdir -p build/debug
mkdir -p build/release
for ver in 1.{40..45}.0 beta nightly; do
bin_dbg=build/debug/main-$ver
bin_rel=build/release/main-$ver
rustc +$ver $RUST_DBG_FLAGS main.rs -o $bin_dbg
echo "-- $ver"
before=$(stat --printf="%s" $bin_dbg)
strip $bin_dbg
after=$(stat --printf="%s" $bin_dbg)
printf " dbg: %d, stripped: %d\n" $before $after
rustc +$ver $RUST_REL_FLAGS main.rs -o $bin_rel
before=$(stat --printf="%s" $bin_rel)
strip $bin_rel
after=$(stat --printf="%s" $bin_rel)
printf " release: %d, stripped: %d\n" $before $after
done
# rustup toolchain uninstall 1.{40..45}.0 beta nightlyMeta
beta:
rustc 1.46.0-beta.5 (cfbc6d4cf 2020-08-21)
binary: rustc
commit-hash: cfbc6d4cf1acbac5c025acf8ed68929caa551df3
commit-date: 2020-08-21
host: x86_64-unknown-linux-gnu
release: 1.46.0-beta.5
LLVM version: 10.0
nightly:
rustc 1.47.0-nightly (de521cbb3 2020-08-21)
binary: rustc
commit-hash: de521cbb303c08febd9fa3755caccd4f3e491ea3
commit-date: 2020-08-21
host: x86_64-unknown-linux-gnu
release: 1.47.0-nightly
LLVM version: 10.0