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mtmd : Use RMS norm for InternVL 3 38B and 78B mmproj (#13459)

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City
2025-05-12 00:39:06 +02:00
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parent 9a390c4829
commit c104023994
1 changed files with 7 additions and 1 deletions
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8
tools/mtmd/clip.cpp
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@ -879,9 +879,15 @@ struct clip_graph {
// add CLS token
inp = ggml_concat(ctx0, inp, model.class_embedding, 1);
// The larger models use a different ViT, which uses RMS norm instead of layer norm
// ref: https://github.com/ggml-org/llama.cpp/pull/13443#issuecomment-2869786188
norm_type norm_t = (hparams.n_embd == 3200 && hparams.n_layer == 45)
? NORM_TYPE_RMS // 6B ViT (Used by InternVL 2.5/3 - 26B, 38B, 78B)
: NORM_TYPE_NORMAL; // 300M ViT (Used by all smaller InternVL models)
ggml_tensor * cur = build_vit(
inp, n_pos,
NORM_TYPE_NORMAL,
norm_t,
hparams.ffn_op,
model.position_embeddings,
nullptr);