Use the new phi model by default. (#1589)

This commit is contained in:
Laurent Mazare
2024-01-15 12:30:27 +01:00
committed by GitHub
parent 86b7c01b30
commit ea36f3b11f

View File

@ -128,9 +128,8 @@ enum WhichModel {
V1_5,
#[value(name = "2")]
V2,
// TODO: Make this the default once it has been battle tested.
#[value(name = "2-new")]
V2New,
#[value(name = "2-old")]
V2Old,
PuffinPhiV2,
PhiHermes,
}
@ -236,7 +235,7 @@ fn main() -> Result<()> {
match args.model {
WhichModel::V1 => "microsoft/phi-1".to_string(),
WhichModel::V1_5 => "microsoft/phi-1_5".to_string(),
WhichModel::V2 | WhichModel::V2New => "microsoft/phi-2".to_string(),
WhichModel::V2 | WhichModel::V2Old => "microsoft/phi-2".to_string(),
WhichModel::PuffinPhiV2 | WhichModel::PhiHermes => {
"lmz/candle-quantized-phi".to_string()
}
@ -251,10 +250,10 @@ fn main() -> Result<()> {
"main".to_string()
} else {
match args.model {
WhichModel::V1 => "refs/pr/2".to_string(),
WhichModel::V1_5 => "refs/pr/18".to_string(),
WhichModel::V2 => "834565c23f9b28b96ccbeabe614dd906b6db551a".to_string(),
WhichModel::V2New | WhichModel::PuffinPhiV2 | WhichModel::PhiHermes => {
WhichModel::V1 => "refs/pr/8".to_string(),
WhichModel::V1_5 => "refs/pr/73".to_string(),
WhichModel::V2Old => "834565c23f9b28b96ccbeabe614dd906b6db551a".to_string(),
WhichModel::V2 | WhichModel::PuffinPhiV2 | WhichModel::PhiHermes => {
"main".to_string()
}
}
@ -265,7 +264,7 @@ fn main() -> Result<()> {
let tokenizer_filename = match args.tokenizer {
Some(file) => std::path::PathBuf::from(file),
None => match args.model {
WhichModel::V1 | WhichModel::V1_5 | WhichModel::V2 | WhichModel::V2New => {
WhichModel::V1 | WhichModel::V1_5 | WhichModel::V2 | WhichModel::V2Old => {
repo.get("tokenizer.json")?
}
WhichModel::PuffinPhiV2 | WhichModel::PhiHermes => {
@ -280,14 +279,14 @@ fn main() -> Result<()> {
match args.model {
WhichModel::V1 => vec![repo.get("model-v1-q4k.gguf")?],
WhichModel::V1_5 => vec![repo.get("model-q4k.gguf")?],
WhichModel::V2 | WhichModel::V2New => vec![repo.get("model-v2-q4k.gguf")?],
WhichModel::V2 | WhichModel::V2Old => vec![repo.get("model-v2-q4k.gguf")?],
WhichModel::PuffinPhiV2 => vec![repo.get("model-puffin-phi-v2-q4k.gguf")?],
WhichModel::PhiHermes => vec![repo.get("model-phi-hermes-1_3B-q4k.gguf")?],
}
} else {
match args.model {
WhichModel::V1 | WhichModel::V1_5 => vec![repo.get("model.safetensors")?],
WhichModel::V2 | WhichModel::V2New => candle_examples::hub_load_safetensors(
WhichModel::V2 | WhichModel::V2Old => candle_examples::hub_load_safetensors(
&repo,
"model.safetensors.index.json",
)?,
@ -304,35 +303,39 @@ fn main() -> Result<()> {
let config = || match args.model {
WhichModel::V1 => Config::v1(),
WhichModel::V1_5 => Config::v1_5(),
WhichModel::V2 | WhichModel::V2New => Config::v2(),
WhichModel::V2 | WhichModel::V2Old => Config::v2(),
WhichModel::PuffinPhiV2 => Config::puffin_phi_v2(),
WhichModel::PhiHermes => Config::phi_hermes_1_3b(),
};
let (model, device) = if args.model == WhichModel::V2New {
let device = candle_examples::device(args.cpu)?;
let config_filename = repo.get("config.json")?;
let config = std::fs::read_to_string(config_filename)?;
let config: PhiConfig = serde_json::from_str(&config)?;
let vb = unsafe { VarBuilder::from_mmaped_safetensors(&filenames, DType::F32, &device)? };
let phi = Phi::new(&config, vb)?;
(Model::Phi(phi), device)
} else if args.quantized {
let (model, device) = if args.quantized {
let vb = candle_transformers::quantized_var_builder::VarBuilder::from_gguf(&filenames[0])?;
let config = config();
let model = match args.model {
WhichModel::V2 | WhichModel::V2New => QMixFormer::new_v2(&config, vb)?,
WhichModel::V2 | WhichModel::V2Old => QMixFormer::new_v2(&config, vb)?,
_ => QMixFormer::new(&config, vb)?,
};
(Model::Quantized(model), Device::Cpu)
} else {
let device = candle_examples::device(args.cpu)?;
let config = config();
let vb = unsafe { VarBuilder::from_mmaped_safetensors(&filenames, DType::F32, &device)? };
let model = match args.model {
WhichModel::V2 | WhichModel::V2New => MixFormer::new_v2(&config, vb)?,
_ => MixFormer::new(&config, vb)?,
WhichModel::V1 | WhichModel::V1_5 | WhichModel::V2 => {
let config_filename = repo.get("config.json")?;
let config = std::fs::read_to_string(config_filename)?;
let config: PhiConfig = serde_json::from_str(&config)?;
let phi = Phi::new(&config, vb)?;
Model::Phi(phi)
}
WhichModel::V2Old => {
let config = config();
Model::MixFormer(MixFormer::new_v2(&config, vb)?)
}
WhichModel::PhiHermes | WhichModel::PuffinPhiV2 => {
let config = config();
Model::MixFormer(MixFormer::new(&config, vb)?)
}
};
(Model::MixFormer(model), device)
(model, device)
};
println!("loaded the model in {:?}", start.elapsed());