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fix: WASM-only ONNX Runtime bundle for the browser demo (WebKit memory) #31

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Merged
El1as42 merged 2 commits into from
Oct 26, 2026
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fix: WASM-only ONNX Runtime bundle for the browser demo (WebKit memory) #31

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dc2f919
fix: pin ONNX Runtime Web 1.20.1 for the browser demo
El1as42 Oct 21, 2026
5e1ac61
fix: load the WASM-only ONNX Runtime bundle in the browser demo
El1as42 Oct 21, 2026
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5 changes: 4 additions & 1 deletion docs/javascripts/onnx_demo.js
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Original file line number Diff line number Diff line change
Expand Up @@ -165,9 +165,12 @@
ort.env.wasm.proxy = true;
ort.env.wasm.numThreads = Math.min(4, navigator.hardwareConcurrency || 2);
ort.env.wasm.simd = true;
// Same release as the ort.wasm.min.js tag in mkdocs.yml. That bundle loads
// the plain ort-wasm-simd-threaded.wasm; ort.min.js would load the JSEP
// build, which needs 5-7 GB in WebKit (Safari) instead of about 1 GB.
if (!ort.env.wasm.wasmPaths) {
ort.env.wasm.wasmPaths =
"https://cdn.jsdelivr.net/npm/onnxruntime-web@1.22.0/dist/";
"https://cdn.jsdelivr.net/npm/onnxruntime-web@1.20.1/dist/";
}
}

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7 changes: 6 additions & 1 deletion mkdocs.yml
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Expand Up @@ -89,7 +89,12 @@ extra_javascript:
- https://unpkg.com/[email protected]/dist/tablesort.min.js
- https://unpkg.com/[email protected]/dist/sorts/tablesort.number.min.js
- javascripts/tablesort.js
- https://cdn.jsdelivr.net/npm/[email protected]/dist/ort.min.js
# WASM-only bundle on purpose: from 1.21.0 on, ort.min.js loads the JSEP wasm
# even for the CPU backend, and WebKit (Safari) then needs 5-7 GB for 60 s of
# audio instead of about 1 GB. 1.20.1 has the smallest wasm (11 MB; 1.30.0:
# 14 MB) and matches Python ONNX Runtime box for box. Keep the version in sync
# with wasmPaths in onnx_demo.js.
- https://cdn.jsdelivr.net/npm/[email protected]/dist/ort.wasm.min.js
- javascripts/onnx_spectrogram.js
- javascripts/onnx_demo.js

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