ollama/convert/convert_gemma2.go
2024-08-23 11:29:56 -07:00

43 lines
1.5 KiB
Go

package convert
import (
"github.com/ollama/ollama/llm"
)
type gemma2Model struct {
gemmaModel
SlidingWindow uint32 `json:"sliding_window"`
AttentionLogitSoftcap float32 `json:"attn_logit_softcapping"`
FinalLogitSoftcap float32 `json:"final_logit_softcapping"`
}
func (p *gemma2Model) KV(t *Tokenizer) llm.KV {
kv := p.ModelParameters.KV(t)
kv["general.architecture"] = "gemma2"
kv["gemma2.context_length"] = p.MaxPositionEmbeddings
kv["gemma2.embedding_length"] = p.HiddenSize
kv["gemma2.block_count"] = p.HiddenLayers
kv["gemma2.feed_forward_length"] = p.IntermediateSize
kv["gemma2.attention.head_count"] = p.NumAttentionHeads
kv["gemma2.attention.head_count_kv"] = p.NumKeyValueHeads
kv["gemma2.attention.layer_norm_rms_epsilon"] = p.RMSNormEPS
kv["gemma2.attention.key_length"] = p.HeadDim
kv["gemma2.attention.value_length"] = p.HeadDim
kv["gemma2.attention.sliding_window"] = p.SlidingWindow
kv["gemma2.attn_logit_softcapping"] = p.AttentionLogitSoftcap
kv["gemma2.final_logit_softcapping"] = p.FinalLogitSoftcap
kv["tokenizer.ggml.eot_token_id"] = uint32(107)
kv["tokenizer.ggml.middle_token_id"] = uint32(68)
kv["tokenizer.ggml.prefix_token_id"] = uint32(67)
kv["tokenizer.ggml.suffix_token_id"] = uint32(69)
return kv
}
func (p *gemma2Model) Replacements() []string {
return append(
p.gemmaModel.Replacements(),
"post_attention_layernorm", "post_attention_norm",
"pre_feedforward_layernorm", "ffn_norm",
"post_feedforward_layernorm", "post_ffw_norm",
)
}