Function cosineSim

implementations/browser/embedding-bench.mjs:108–116

(a, b)

}

function cosineSim(a, b) {
  let dot = 0, normA = 0, normB = 0;
  for (let i = 0; i < a.length; i++) {
    dot += a[i] * b[i];
    normA += a[i] * a[i];
    normB += b[i] * b[i];
  }
  return dot / (Math.sqrt(normA) * Math.sqrt(normB) + 1e-10);
}

function quantizeInt8(embedding) {
  const maxVal = Math.max(...embedding.map(Math.abs));