Godot Size Benchmarks

This repository contains a program that compiles Godot export templates with various settings to decrease file size.

Results

The results below were generated on Fedora 30 with GCC 9.1.1 from the Godot 3.1.1 stable source code. All binaries had their debug symbols stripped.

full builds have all modules enabled.
micro builds have commonly-used modules enabled (such as mbedTLS or Theora/WebM); lesser-used modules are disabled.
pico builds have all modules disabled and are optimized for size instead of speed.
Builds with a _2d suffix have 3D support disabled.

Check the build script for the list of SCons flags used by each build type.

Platform	Build type	Size (uncompressed)	Size (compressed)
Android	`full`	11.8 MB	11.8 MB
Android	`full_2d`	9.5 MB	9.5 MB
Android	`micro`	9.8 MB	9.8 MB
Android	`micro_2d`	8.5 MB	8.5 MB
Android	`pico`	8.1 MB	8.1 MB
Android	`pico_2d`	7.1 MB	7.1 MB
HTML5	`full`	13.0 MB	4.0 MB
HTML5	`full_2d`	11.3 MB	3.4 MB
HTML5	`micro`	11.5 MB	3.4 MB
HTML5	`micro_2d`	10.2 MB	3.1 MB
HTML5	`pico`	10.9 MB	3.2 MB
HTML5	`pico_2d`	9.7 MB	2.9 MB
Linux	`full`	30.9 MB	12.0 MB
Linux	`full_2d`	25.9 MB	10.0 MB
Linux	`micro`	27.3 MB	10.4 MB
Linux	`micro_2d`	23.4 MB	9.0 MB
Linux	`pico`	15.7 MB	6.0 MB
Linux	`pico_2d`	13.5 MB	5.1 MB
Windows	`full`	26.7 MB	10.2 MB
Windows	`full_2d`	22.5 MB	8.6 MB
Windows	`micro`	23.7 MB	9.0 MB
Windows	`micro_2d`	20.2 MB	7.7 MB
Windows	~~`pico`~~	(build failing)	N/A
Windows	~~`pico_2d`~~	(build failing)	N/A

Platform-specific notes

Android: Android APK sizes were measured after building for armv7 only, which means only one architecture was included in the APK. Android APKs are already compressed on creation, hence the compressed size being identical to the uncompressed size.
HTML5: Displayed file sizes only include the main WebAssembly blob. The accompanying JavaScript file's size (330 KB uncompressed, 75 KB gzipped) remains mostly constant. Compressed sizes were measured by compressing the WebAssembly blob with gzip -6, which is the compression level used on most Web servers (after enabling compression for .wasm files).
Linux: Binaries were compiled with link-time optimization enabled. Compressed sizes were measured by creating ZIP archives using 7z a -mx9 <file>.zip <file>.
Windows: Binaries were compiled using MinGW with link-time optimization enabled. Compressed sizes were measured by creating ZIP archives using 7z a -mx9 <file>.zip <file>.

Running the benchmark locally

Note: The benchmark runner currently only supports Linux.

Pre-requisites

Nim 0.20.0 or later (can be installed via choosenim).
Godot build dependencies set up for Android, HTML5, Linux and Windows (MinGW).
This Git repository (with submodules initialized).

Running

git clone --recursive https://github.com/Calinou/godot-size-benchmarks.git
cd godot-size-benchmarks/
nimble run

Wait for the script to build all binaries; they will be available in the godot/bin/ directory.

Resources

Optimizing a build for size in the Godot documentation.
Multiple APK support in Google Play to publish one APK per CPU architecture, greatly reducing the file size.

License

Unless otherwise specified, files in this repository are licensed under the MIT license; see LICENSE.md for more information.

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