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llama : meta split state for combined gate+up ffn_up (phi3) #24936

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llama : meta split state for combined gate+up ffn_up (phi3) #24936

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llama : meta split state for combined gate+up ffn_up (phi3)
krystophny Jun 23, 2026
a0caeb1
llama : guard combined ffn_up split, use per-layer n_ff
krystophny Jul 3, 2026
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5 changes: 5 additions & 0 deletions src/llama-model.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -550,6 +550,11 @@ struct ggml_backend_meta_split_state llama_meta_device_get_split_state(const str
GGML_ASSERT(tensor->ne[axis] == n_embd + 2*n_embd_gqa);
return {{n_embd, 1}, {n_embd_gqa, 2}};
}
if ((std::regex_match(tensor_name, pattern_ffn_up_gate_weight) ||
std::regex_match(tensor_name, pattern_ffn_up_gate_bias)) &&
tensor->ne[axis] == 2*hparams.n_ff(il)) {
return {{hparams.n_ff(il), 2}};
}
if (std::regex_match(tensor_name, pattern_ffn_gate_up_weight)) {
const int64_t n_ff_exp = hparams.n_ff_exp;
GGML_ASSERT(tensor->ne[axis] == 2*n_ff_exp);
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