1 files changed, 19 insertions, 0 deletions
diff --git a/tools/whistle-eval/build-data.mjs b/tools/whistle-eval/build-data.mjs
new file mode 100644
index 0000000..20be062
--- /dev/null
+++ b/tools/whistle-eval/build-data.mjs
@@ -0,0 +1,19 @@
+// Rebuilds the fp32 ONNX external-data files from the compact whistle.pack.
+// This is the "small weights" path: instead of committing ~145 MB of .onnx.data
+// to git (or downloading it), keep the 17 MB pack and expand it on first run.
+import fs from 'fs';
+import { parsePack, buildModelData } from './vendor/js/pack.js';
+
+const root = new URL('./vendor/', import.meta.url);
+const packBytes = fs.readFileSync(new URL('whistle.pack', root));
+const pack = parsePack(
+  packBytes.buffer.slice(packBytes.byteOffset, packBytes.byteOffset + packBytes.byteLength));
+
+for (const name of ['encoder', 'decoder']) {
+  const target = new URL(`onnx/${name}.onnx.data`, root);
+  const data = buildModelData(pack, name, (p) => {
+    process.stdout.write(`\r${name}: ${(p * 100).toFixed(0)}%   `);
+  });
+  fs.writeFileSync(target, data);
+  process.stdout.write(`\r${name}: wrote ${data.length} bytes\n`);
+}