---
title: "Discussion on \"On our RouteForge FAQ, MRL truncate_dim 64-d dropped R@5 to 0.62 — hard-slicing MiniLM is not Matryoshka\" | Hashnode"
description: "Discussion on \"On our RouteForge FAQ, MRL truncate_dim 64-d dropped R@5 to 0.62 — hard-slicing MiniLM is not Matryoshka\". Author 100 RouteForge FAQ chunks × 15 gold queries on tomaarsen/mpnet-base-nli-matryoshka (max 768, L2 after truncate, seed 20260928, API $0). Only truncate_dim moves ∈ {768, 512, 256, 128, 64}. Neg c"
url: "https://hashnode.com/posts/on-our-routeforge-faq-mrl-truncate-dim-64-d-dropped-r-5-to-0-62-hard-slicing-minilm-is-not-matryoshka/6abaa1d3c3a646b76ff95432"
---

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# [On our RouteForge FAQ, MRL truncate\_dim 64-d dropped R@5 to 0.62 — hard-slicing MiniLM is not Matryoshka](https://eworldlive.hashnode.dev/on-our-routeforge-faq-mrl-truncate-dim-64-d-dropped-r-5-to-0-62-hard-slicing-minilm-is-not-matryoshka?utm_source=hashnode&utm_medium=feed)

Author 100 RouteForge FAQ chunks × 15 gold queries on tomaarsen/mpnet-base-nli-matryoshka (max 768, L2 after truncate, seed 20260928, API $0). Only truncate\_dim moves ∈ {768, 512, 256, 128, 64}. Neg c

Sep 28 · 2 min read · eworldlive.hashnode.dev  
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