Os

Os vs Oz, size wise, only is about 100kb difference. but Oz disables some optimizations. Enabling Os instead of Oz brings the binary size up from 876527 bytes to 972775 bytes (a 10.9% increase).

Note: I am referring to wasm binary size as that's the main focus of this project

Cargo.toml

@@ -9,14 +9,14 @@ crate-type=["cdylib"]
 [profile.release]
 debug = false
 codegen-units = 1
-opt-level = "z" #optimize for size
+opt-level = "s" #optimize for size
 lto = true
 strip = true
 
 [profile.dev]
 debug = true
 codegen-units = 1
-opt-level = "z" #optimize for size
+opt-level = "s" #optimize for size
 lto = true
 
 [dependencies]

build.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 wasm-pack build --target web --release --no-typescript
-wasm-opt -Oz -o pkg/integral_site_bg_2.wasm pkg/integral_site_bg.wasm
+wasm-opt -Os -o pkg/integral_site_bg_2.wasm pkg/integral_site_bg.wasm
 mv pkg/integral_site_bg_2.wasm pkg/integral_site_bg.wasm
 llvm-strip --strip-all pkg/integral_site_bg.wasm