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llama : default n_swa for phi-3 (#8931)

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* default n_swa for phi-3

* fix

* double check swa
This commit is contained in:
Xuan Son Nguyen 2024-08-10 13:04:40 +02:00 committed by GitHub
parent 7c3f55c100
commit 7eb23840ed
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1 changed files with 16 additions and 1 deletions
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src/llama.cpp
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@ -4901,7 +4901,6 @@ static void llm_load_hparams(
} break;
case LLM_ARCH_PHI3:
{
ml.get_key(LLM_KV_ATTENTION_SLIDING_WINDOW, hparams.n_swa);
ml.get_key(LLM_KV_ATTENTION_LAYERNORM_RMS_EPS, hparams.f_norm_rms_eps);
switch (hparams.n_layer) {
@ -4910,6 +4909,22 @@ static void llm_load_hparams(
case 40: model.type = e_model::MODEL_14B; break;
default: model.type = e_model::MODEL_UNKNOWN;
}
// for backward compatibility ; see: https://github.com/ggerganov/llama.cpp/pull/8931
if ((hparams.n_layer == 32 || hparams.n_layer == 40) && hparams.n_ctx_train == 4096) {
// default value for Phi-3-mini-4k-instruct and Phi-3-medium-4k-instruct
hparams.n_swa = 2047;
} else if (hparams.n_layer == 32 && hparams.n_head_kv(0) == 32 && hparams.n_ctx_train == 131072) {
// default value for Phi-3-mini-128k-instruct
hparams.n_swa = 262144;
} else if (hparams.n_layer == 40 && hparams.n_ctx_train == 131072) {
// default value for Phi-3-medium-128k-instruct
hparams.n_swa = 131072;
}
bool found_swa = ml.get_key(LLM_KV_ATTENTION_SLIDING_WINDOW, hparams.n_swa, false);
if (!found_swa && hparams.n_swa == 0) {
throw std::runtime_error("invalid value for sliding_window");
}
} break;
case LLM_ARCH_PLAMO:
{