add qwen3 and fun-asr-nano

This commit is contained in:
jhqxxx
2026-01-15 21:57:12 +08:00
parent 2c1d5e3a14
commit d9b803d27e
39 changed files with 2577 additions and 307 deletions
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use candle_nn::Activation;
use serde::Deserialize;
#[derive(Debug, Clone, PartialEq, Deserialize)]
pub struct Qwen3Config {
pub attention_bias: bool,
pub attention_dropout: f64,
pub bos_token_id: u32,
pub eos_token_id: u32,
pub head_dim: usize,
pub hidden_act: Activation,
pub hidden_size: usize,
pub initializer_range: f64,
pub intermediate_size: usize,
pub max_position_embeddings: usize,
pub max_window_layers: usize,
pub num_attention_heads: usize,
pub num_hidden_layers: usize,
pub num_key_value_heads: usize,
pub rms_norm_eps: f64,
pub rope_theta: f32,
pub tie_word_embeddings: bool,
pub torch_dtype: String,
pub use_cache: bool,
pub use_sliding_window: bool,
pub vocab_size: usize,
}
#[derive(Debug, Clone, PartialEq, serde::Deserialize)]
pub struct Qwen3GenerationConfig {
pub bos_token_id: usize,
pub pad_token_id: usize,
pub do_sample: bool,
pub eos_token_id: Vec<usize>,
pub top_p: f32,
pub top_k: usize,
pub temperature: f32,
#[serde(default = "default_repetition_penalty")]
pub repetition_penalty: f32,
}
fn default_repetition_penalty() -> f32 {
1.0
}
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use aha_openai_dive::v1::resources::chat::{
ChatCompletionChunkResponse, ChatCompletionParameters, ChatCompletionResponse,
};
use anyhow::{Result, anyhow};
use candle_core::{DType, Device, Tensor};
use candle_nn::VarBuilder;
use rocket::async_stream::stream;
use rocket::futures::Stream;
use crate::models::qwen3::config::{Qwen3Config, Qwen3GenerationConfig};
use crate::models::qwen3::model::Qwen3Model;
// use crate::models::GenerateStream;
use crate::utils::{
build_completion_chunk_response, build_completion_response, find_type_files, get_device,
get_dtype, get_logit_processor,
};
use crate::{chat_template::ChatTemplate, models::GenerateModel, tokenizer::TokenizerModel};
pub struct Qwen3GenerateModel<'a> {
chat_template: ChatTemplate<'a>,
tokenizer: TokenizerModel,
qwen3: Qwen3Model,
device: Device,
eos_token_id1: u32,
eos_token_id2: u32,
generation_config: Qwen3GenerationConfig,
model_name: String,
}
impl<'a> Qwen3GenerateModel<'a> {
pub fn init(path: &str, device: Option<&Device>, dtype: Option<DType>) -> Result<Self> {
let chat_template = ChatTemplate::init(path)?;
let tokenizer = TokenizerModel::init(path)?;
let config_path = path.to_string() + "/config.json";
let cfg: Qwen3Config = serde_json::from_slice(&std::fs::read(config_path)?)?;
let device = &get_device(device);
let cfg_dtype = cfg.torch_dtype.as_str();
let dtype = get_dtype(dtype, cfg_dtype);
let model_list = find_type_files(path, "safetensors")?;
let vb = unsafe { VarBuilder::from_mmaped_safetensors(&model_list, dtype, device)? };
let qwen3 = Qwen3Model::new(&cfg, vb)?;
let generation_config_path = path.to_string() + "/generation_config.json";
let generation_config: Qwen3GenerationConfig =
serde_json::from_slice(&std::fs::read(generation_config_path)?)?;
Ok(Qwen3GenerateModel {
chat_template,
tokenizer,
qwen3,
device: device.clone(),
eos_token_id1: generation_config.eos_token_id[0] as u32,
eos_token_id2: generation_config.eos_token_id[1] as u32,
generation_config,
model_name: "qwen3".to_string(),
})
}
}
impl<'a> GenerateModel for Qwen3GenerateModel<'a> {
fn generate(&mut self, mes: ChatCompletionParameters) -> Result<ChatCompletionResponse> {
let temperature = match mes.temperature {
None => self.generation_config.temperature,
Some(tem) => tem,
};
let top_p = match mes.top_p {
None => self.generation_config.top_p,
Some(top_p) => top_p,
};
let top_k = self.generation_config.top_k;
let seed = match mes.seed {
None => 34562u64,
Some(s) => s as u64,
};
let mut logit_processor =
get_logit_processor(Some(temperature), Some(top_p), Some(top_k), seed);
let mes_render = self.chat_template.apply_chat_template(&mes)?;
let mut input_ids = self.tokenizer.text_encode(mes_render, &self.device)?;
let mut seq_len = input_ids.dim(1)?;
let mut seqlen_offset = 0;
let mut generate = Vec::new();
let sample_len = mes.max_tokens.unwrap_or(2048);
for _ in 0..sample_len {
let logits = self.qwen3.forward(Some(&input_ids), None, seqlen_offset)?;
let logits = logits.squeeze(0)?.squeeze(0)?.to_dtype(DType::F32)?;
let next_token = logit_processor.sample(&logits)?;
generate.push(next_token);
if next_token == self.eos_token_id1 || next_token == self.eos_token_id2 {
break;
}
seqlen_offset += seq_len;
seq_len = 1;
input_ids = Tensor::from_vec(vec![next_token], (1, 1), &self.device)?;
}
let num_token = generate.len() as u32;
let res = self.tokenizer.token_decode(generate)?;
self.qwen3.clear_kv_cache();
let response = build_completion_response(res, &self.model_name, Some(num_token));
Ok(response)
}
fn generate_stream(
&mut self,
mes: ChatCompletionParameters,
) -> Result<
Box<
dyn Stream<Item = Result<ChatCompletionChunkResponse, anyhow::Error>>
+ Send
+ Unpin
+ '_,
>,
> {
let temperature = match mes.temperature {
None => self.generation_config.temperature,
Some(tem) => tem,
};
let top_p = match mes.top_p {
None => self.generation_config.top_p,
Some(top_p) => top_p,
};
let top_k = self.generation_config.top_k;
let seed = match mes.seed {
None => 34562u64,
Some(s) => s as u64,
};
let mut logit_processor =
get_logit_processor(Some(temperature), Some(top_p), Some(top_k), seed);
let mes_render = self.chat_template.apply_chat_template(&mes)?;
let mut input_ids = self.tokenizer.text_encode(mes_render, &self.device)?;
let mut seq_len = input_ids.dim(1)?;
let mut seqlen_offset = 0;
let sample_len = mes.max_tokens.unwrap_or(512);
let stream = stream! {
let mut error_tokens = Vec::new();
for _ in 0..sample_len {
let logits = self.qwen3.forward(
Some(&input_ids),
None,
seqlen_offset,
)?;
let logits = logits.squeeze(0)?.squeeze(0)?.to_dtype(DType::F32)?;
let next_token = logit_processor.sample(&logits)?;
let mut decode_ids = Vec::new();
if !error_tokens.is_empty(){
decode_ids.extend_from_slice(&error_tokens);
}
decode_ids.push(next_token);
let decoded_token = self.tokenizer.token_decode(decode_ids).map_err(|e| anyhow!(format!("stream decode error{e}")))?;
if decoded_token.contains("") {
error_tokens.push(next_token);
if error_tokens.len() > 3 {
error_tokens.clear();
}
seqlen_offset += seq_len;
seq_len = 1;
input_ids = Tensor::from_vec(vec![next_token], (1, 1), &self.device)?;
continue;
}
error_tokens.clear();
let chunk = build_completion_chunk_response(decoded_token, &self.model_name, None, None);
yield Ok(chunk);
if next_token == self.eos_token_id1 || next_token == self.eos_token_id2 {
break;
}
seqlen_offset += seq_len;
seq_len = 1;
input_ids = Tensor::from_vec(vec![next_token], (1, 1), &self.device)?;
}
self.qwen3.clear_kv_cache();
};
Ok(Box::new(Box::pin(stream)))
}
}
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pub mod config;
pub mod generate;
pub mod model;
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use anyhow::Result;
use candle_core::Tensor;
use candle_nn::{
Embedding, Linear, Module, RmsNorm, VarBuilder, embedding, linear, linear_no_bias, rms_norm,
};
use crate::{
models::{
common::{GateUpDownMLP, eager_attention_forward},
qwen3::config::Qwen3Config,
},
position_embed::rope::{RoPE, apply_rotary_pos_emb},
utils::tensor_utils::prepare_causal_attention_mask,
};
pub struct Qwen3Attention {
q_proj: Linear,
k_proj: Linear,
v_proj: Linear,
o_proj: Linear,
q_norm: RmsNorm,
k_norm: RmsNorm,
num_attention_heads: usize,
num_key_value_heads: usize,
num_kv_groups: usize,
head_dim: usize,
scaling: f64,
kv_cache: Option<(Tensor, Tensor)>,
}
impl Qwen3Attention {
pub fn new(config: &Qwen3Config, vb: VarBuilder) -> Result<Self> {
let hidden_size = config.hidden_size;
let num_attention_heads = config.num_attention_heads;
let head_dim = config.head_dim;
let num_key_value_heads = config.num_key_value_heads;
let num_kv_groups = num_attention_heads / num_key_value_heads;
let scaling = 1f64 / f64::sqrt(head_dim as f64);
let (q_proj, k_proj, v_proj, o_proj) = if config.attention_bias {
let q_proj = linear(hidden_size, num_attention_heads * head_dim, vb.pp("q_proj"))?;
let k_proj = linear(hidden_size, num_key_value_heads * head_dim, vb.pp("k_proj"))?;
let v_proj = linear(hidden_size, num_key_value_heads * head_dim, vb.pp("v_proj"))?;
let o_proj = linear(num_attention_heads * head_dim, hidden_size, vb.pp("o_proj"))?;
(q_proj, k_proj, v_proj, o_proj)
} else {
let q_proj =
linear_no_bias(hidden_size, num_attention_heads * head_dim, vb.pp("q_proj"))?;
let k_proj =
linear_no_bias(hidden_size, num_key_value_heads * head_dim, vb.pp("k_proj"))?;
let v_proj =
linear_no_bias(hidden_size, num_key_value_heads * head_dim, vb.pp("v_proj"))?;
let o_proj =
linear_no_bias(num_attention_heads * head_dim, hidden_size, vb.pp("o_proj"))?;
(q_proj, k_proj, v_proj, o_proj)
};
let q_norm = rms_norm(head_dim, config.rms_norm_eps, vb.pp("q_norm"))?;
let k_norm = rms_norm(head_dim, config.rms_norm_eps, vb.pp("k_norm"))?;
Ok(Self {
q_proj,
k_proj,
v_proj,
o_proj,
q_norm,
k_norm,
num_attention_heads,
num_key_value_heads,
num_kv_groups,
head_dim,
scaling,
kv_cache: None,
})
}
pub fn forward(
&mut self,
xs: &Tensor,
cos: &Tensor,
sin: &Tensor,
attention_mask: Option<&Tensor>,
) -> Result<Tensor> {
let (b_sz, q_len, _) = xs.dims3()?;
let query_states = self.q_proj.forward(xs)?.reshape((
b_sz,
q_len,
self.num_attention_heads,
self.head_dim,
))?;
let query_states = self.q_norm.forward(&query_states)?.transpose(1, 2)?;
let key_states = self.k_proj.forward(xs)?.reshape((
b_sz,
q_len,
self.num_key_value_heads,
self.head_dim,
))?;
let key_states = self.k_norm.forward(&key_states)?.transpose(1, 2)?;
let value_states = self.v_proj.forward(xs)?;
let value_states = value_states
.reshape((b_sz, q_len, self.num_key_value_heads, self.head_dim))?
.transpose(1, 2)?;
let (query_states, key_states) =
apply_rotary_pos_emb(&query_states, &key_states, cos, sin, false)?;
let (key_states, value_states) = match &self.kv_cache {
None => (key_states, value_states),
Some((prev_k, prev_v)) => {
let key_states = Tensor::cat(&[prev_k, &key_states], 2)?;
let value_states = Tensor::cat(&[prev_v, &value_states], 2)?;
(key_states, value_states)
}
};
self.kv_cache = Some((key_states.clone(), value_states.clone()));
let attn_output = eager_attention_forward(
&query_states,
&key_states,
&value_states,
Some(self.num_kv_groups),
attention_mask,
self.scaling,
)?;
let attn_output =
attn_output.reshape((b_sz, q_len, self.num_attention_heads * self.head_dim))?;
let attn_output = attn_output.apply(&self.o_proj)?;
Ok(attn_output)
}
pub fn clear_kv_cache(&mut self) {
self.kv_cache = None
}
}
pub struct Qwen3DecoderLayer {
self_attn: Qwen3Attention,
mlp: GateUpDownMLP,
input_layernorm: RmsNorm,
post_attention_layernorm: RmsNorm,
}
impl Qwen3DecoderLayer {
pub fn new(config: &Qwen3Config, vb: VarBuilder) -> Result<Self> {
let self_attn = Qwen3Attention::new(config, vb.pp("self_attn"))?;
let mlp = GateUpDownMLP::new(
vb.pp("mlp"),
config.hidden_size,
config.intermediate_size,
config.hidden_act,
false,
)?;
let input_layernorm = rms_norm(
config.hidden_size,
config.rms_norm_eps,
vb.pp("input_layernorm"),
)?;
let post_attention_layernorm = rms_norm(
config.hidden_size,
config.rms_norm_eps,
vb.pp("post_attention_layernorm"),
)?;
Ok(Self {
self_attn,
mlp,
input_layernorm,
post_attention_layernorm,
})
}
pub fn forward(
&mut self,
xs: &Tensor,
cos: &Tensor,
sin: &Tensor,
attention_mask: Option<&Tensor>,
) -> Result<Tensor> {
let residual = xs.clone();
let xs = self.input_layernorm.forward(xs)?;
let xs = self.self_attn.forward(&xs, cos, sin, attention_mask)?;
let xs = residual.add(&xs)?;
let residual = xs.clone();
let xs = self.post_attention_layernorm.forward(&xs)?;
let xs = self.mlp.forward(&xs)?;
let xs = residual.add(&xs)?;
Ok(xs)
}
pub fn clear_kv_cache(&mut self) {
self.self_attn.clear_kv_cache();
}
}
pub struct Qwen3Model {
embed_tokens: Embedding,
layers: Vec<Qwen3DecoderLayer>,
norm: RmsNorm,
rotary_emb: RoPE,
lm_head: Linear,
}
impl Qwen3Model {
pub fn new(config: &Qwen3Config, vb: VarBuilder) -> Result<Self> {
let vb = vb.pp("model");
let vocab_size = config.vocab_size;
let embed_tokens = embedding(vocab_size, config.hidden_size, vb.pp("embed_tokens"))?;
let mut layers = vec![];
let vb_l = vb.pp("layers");
for layer_idx in 0..config.num_hidden_layers {
let layer = Qwen3DecoderLayer::new(config, vb_l.pp(layer_idx))?;
layers.push(layer)
}
let norm = rms_norm(config.hidden_size, config.rms_norm_eps, vb.pp("norm"))?;
let head_dim = config.head_dim;
let rotary_emb = RoPE::new(head_dim, config.rope_theta, vb.device())?;
let lm_head = if config.tie_word_embeddings {
Linear::new(embed_tokens.embeddings().clone(), None)
} else {
linear_no_bias(config.hidden_size, config.vocab_size, vb.pp("lm_head"))?
};
Ok(Self {
embed_tokens,
layers,
norm,
rotary_emb,
lm_head,
})
}
pub fn forward(
&mut self,
input_ids: Option<&Tensor>,
inputs_embeds: Option<&Tensor>,
seqlen_offset: usize,
) -> Result<Tensor> {
if input_ids.is_none() && inputs_embeds.is_none() {
return Err(anyhow::anyhow!(
"You must specify exactly one of input_ids or inputs_embeds"
));
}
let inputs_embeds = if let Some(inputs_embeds) = inputs_embeds {
inputs_embeds.clone()
} else {
let input_ids = input_ids.unwrap();
self.embedding_token_id(input_ids)?
};
let (bs, seq_len, _) = inputs_embeds.dims3()?;
let attention_mask: Option<Tensor> = {
if seq_len <= 1 {
None
} else {
Some(prepare_causal_attention_mask(
bs,
seq_len,
0,
inputs_embeds.device(),
)?)
}
};
let (cos, sin) = self
.rotary_emb
.forward(seqlen_offset, seq_len, inputs_embeds.device())?;
let mut hidden_states = inputs_embeds;
for decode_layer in &mut self.layers {
hidden_states =
decode_layer.forward(&hidden_states, &cos, &sin, attention_mask.as_ref())?;
}
hidden_states = self.norm.forward(&hidden_states)?;
let hidden_state = hidden_states.narrow(1, seq_len - 1, 1)?;
let logits = self.lm_head.forward(&hidden_state)?;
Ok(logits)
}
pub fn embedding_token_id(&self, input_ids: &Tensor) -> Result<Tensor> {
Ok(self.embed_tokens.forward(input_ids)?)
}
pub fn clear_kv_cache(&mut self) {
for layer in self.layers.iter_mut() {
layer.clear_kv_cache()
}
}
}