# one time
rustup target add wasm32-unknown-unknown

# everytime you modify code
cargo build --target wasm32-unknown-unknown

build-sample-wasm &&  WASMTIME_BACKTRACE_DETAILS=1 cargo run

module created in 345.300875ms
wasm: id: 1, name: amit
10 in 353.768125ms/8.256292ms

ls -lh ../sample-wasm/target/wasm32-unknown-unknown/release/sample_wasm.wasm
-rwxr-xr-x@ 1 amitu  staff   292K Mar  7 11:42 sample_wasm.wasm

So our simple project is 292K and it takes 345ms to compile, and 8.25ms to execute.

Serializing the module takes 5m and loading serialised module from disc take 0.5ms (585.083µs). The serialised file size is 661K.

GZip brings the wasm file size down from 292K to 115K, the serialized module snapshot from 661K to 247K.