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Limit parallelism when loading Wasm modules
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vouillon committed May 2, 2024
1 parent 136bd6d commit 0502d7d
Showing 1 changed file with 14 additions and 4 deletions.
18 changes: 14 additions & 4 deletions runtime/wasm/runtime.js
Original file line number Diff line number Diff line change
Expand Up @@ -366,18 +366,28 @@
async function instantiateFromDir() {
imports.OCaml = {};
const deps = []
for (const module of link) {
async function loadModule(module, isRuntime) {
const sync = module[1].constructor !== Array
async function instantiate () {
const code = loadCode(src + "/" + module[0] + ".wasm")
await Promise.all(sync?deps:module[1].map((i)=>deps[i]));
const wasmModule = await instantiateModule(code)
Object.assign(deps.length?imports.OCaml:imports.env,
Object.assign(isRuntime?imports.env:imports.OCaml,
wasmModule.instance.exports);
}
deps.push(sync?await instantiate():instantiate())
const promise = instantiate();
deps.push(promise);
return promise;
}
await deps.pop();
async function loadModules(lst) {
for (const module of lst) {
await loadModule(module);
}
}
await loadModule(link[0], 1);
await loadModule(link[1]);
const workers = new Array(20).fill(link.slice(2).values()).map(loadModules);
await Promise.all(workers);
return {instance:{exports: Object.assign(imports.env, imports.OCaml)}}
}
const wasmModule =
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