open-standards/wai/wai-int-module/build.rs
Transaction Science 98d646dc92 wai-int-module: the first WA²ISM module of record, the operator-set module held at the integer level on every engine
wai/wai-int-module is one WebAssembly module with the interface of waism §5 and nothing else:
no import, one memory with a declared maximum, and every allocation trapping where memory
cannot grow (R13). It decodes the integer payloads (WIV1, WIH1, WIA1, WIS1), int_synth,
int_mlicpp, opus.dred.int and avatar.face through wai-rs's integer decoders, whose networks
run on wai-ops/1; networks and weights arrive as each capability's set.

- record/: the scalar and SIMD128 builds (7,099 vector instructions), named by SHA-256 in
  manifest.json, each held at the integer level by the Rust checker and check-module.mjs.
  build.sh builds both with the machine's paths remapped and checks both with both checkers.
  A build on another host has other bytes (the compiler's crate hashes take in each path
  dependency's absolute path and the host) and gives every case the same outcome.
- corpus.json (corpus.py): every committed vector and refusal fixture of those
  capabilities, 120 cases, from the committed corpora.
- host/ (wasmtime 50.0.1 Cranelift and Winch, Wasmi 2.0.0 with floats off), run-node.mjs and
  browser/run-browser.mjs run every case as a sink does and print one run digest; every run,
  on Linux x86_64, Linux arm64 and macOS arm64, gives the same.
- plant.py plants a float or a relaxed vector instruction in a module, for the checkers.
- waism §5, The set: one file as its bytes, several as their file sequence. avatars §6 names
  generator.wfg and identity.wfi; avatars §7.8, opus-dred §4.8 and determinism-tiers §5 state
  the module as a fabric.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
2026-11-08 16:45:56 -05:00

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Rust

//! The module's memory gets a declared maximum (waism R6), whatever RUSTFLAGS a build is
//! given: a linker argument of the cdylib, for the wasm32 target only.
/// 16,384 pages of 64 KiB: 1 GiB, a quarter of the profile's cap (§4.2).
const MAX_MEMORY: u64 = 16_384 * 65_536;
fn main() {
if std::env::var("CARGO_CFG_TARGET_ARCH").as_deref() == Ok("wasm32") {
println!("cargo:rustc-cdylib-link-arg=--max-memory={MAX_MEMORY}");
}
println!("cargo:rerun-if-changed=build.rs");
}