Nim binary size

"Hello, World!" binary size in Nim.

Instructions

Run

nim c -r build.nim

which compiles the Nim program

echo "Hello, World!"

with various sets of compilation options.

Results

-d:release[^1]	LTO[^2]	strip[^3]	--opt:size[^4]	statically link	Linux	macOS	Windows
					98.2 KiB	109.4 KiB	188.7 KiB
✔️					67.3 KiB	71.7 KiB	151.5 KiB
✔️	✔️				39.5 KiB	67.6 KiB	132.0 KiB
✔️	✔️	✔️			34.5 KiB	65.1 KiB	79.5 KiB
✔️	✔️	✔️	✔️		26.5 KiB	49.1 KiB	64.0 KiB
✔️	✔️	✔️	✔️	via `musl-gcc`[^5]	30.0 KiB
✔️	✔️	✔️	✔️	via `musl-clang`[^6]	30.0 KiB
✔️	✔️	✔️	✔️	via `zig cc`[^7]	6.1 KiB

[^1]: Perform a release build: -d:release (the default is a debug build) [^2]: Enable Link-Time Optimization: --passC:-flto --passL:-flto [^3]: Remove debug symbols: --passL:-s [^4]: Optimize for reduced binary size: --opt:size (the default is --opt:speed) [^5]: Add --cc:gcc --gcc.exe:musl-gcc --gcc.linkerexe:musl-gcc --passL:-static [^6]: Add --cc:clang --clang.exe:musl-clang --clang.linkerexe:musl-clang --passL:-static [^7]: Add --panics:on -d:useMalloc --os:any -d:posix -d:noSignalHandler --cc=clang --clang.exe='zigcc' --clang.linkerexe='zigcc' --passC:'-target x86_64-linux-musl' --passL:'-target x86_64-linux-musl'

Details

All results from 2023-03-31 on x86_64 with Nim 2.0 nightly release 2023-03-30 (corresponding to a Nim compiler built from commit nim-lang/Nim@2e4ba4a).

Linux

Arch Linux
glibc 2.37
gcc 12.2.1
clang 15.0.7
musl 1.2.3
zig 0.10.1

macOS

macOS 12
clang 14.0.0

Windows

Windows Server 2022
Mingw-w64 11.2.0

README