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llama : Support llama 4 text-only (#12791)

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* llama4 conversion

* initial support, no chat template

* clean up a bit

* fix tokenizer conversion

* correct hparams

* try this

* fix shexp

* ffn_inp_normed

* chat template

* clean up model conversion

* add_bos

* add scale_before_ffn

* fix order

* weight_before_ffn

* llm_graph_input_attn_temp

* add chunk attn mask

* build_inp_attn_scale()

* add comment about ggml_repeat

* clarify comments

* fix build
This commit is contained in:
Xuan-Son Nguyen
2025-04-07 23:06:44 +02:00
committed by GitHub
parent 82974011f3
commit 1466621e73
17 changed files with 532 additions and 22 deletions
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3
src/llama-vocab.cpp
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@ -1616,7 +1616,8 @@ void llama_vocab::impl::load(llama_model_loader & ml, const LLM_KV & kv) {
tokenizer_pre == "megrez") {
pre_type = LLAMA_VOCAB_PRE_TYPE_QWEN2;
} else if (
tokenizer_pre == "gpt-4o") {
tokenizer_pre == "gpt-4o" ||
tokenizer_pre == "llama4") {
pre_type = LLAMA_VOCAB_PRE_TYPE_GPT4O;
clean_spaces = false;
} else if (