add hunyuan_ocr

This commit is contained in:
jhqxxx
2025-12-03 17:21:01 +08:00
parent 7d72cb3baf
commit 697484cf23
29 changed files with 1756 additions and 190 deletions
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use candle_nn::Activation;
use serde::{Deserialize, Serialize};
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct HunYuanVLConfig {
pub attention_bias: bool,
pub attention_dropout: f64,
pub attention_head_dim: usize,
pub bos_token_id: u32,
pub eod_token_id: u32,
pub eos_token_id: u32,
pub head_dim: usize,
pub hidden_act: Activation,
pub hidden_size: usize,
pub image_start_token_id: u32,
pub image_end_token_id: u32,
pub image_token_id: u32,
pub image_newline_token_id: u32,
pub initializer_range: f64,
pub intermediate_size: usize,
pub max_position_embeddings: usize,
pub mlp_bias: bool,
pub norm_type: String,
pub num_attention_heads: usize,
pub num_experts: usize,
pub num_hidden_layers: usize,
pub num_key_value_heads: usize,
pub org_vocab_size: usize,
pub pad_id: i32,
pub pad_token_id: i32,
pub pretraining_tp: i32,
pub rms_norm_eps: f64,
pub rope_scaling: HunYuanVLRopeScaling,
pub rope_theta: f64,
pub routed_scaling_factor: f64,
pub sep_token_id: u32,
pub text_end_id: u32,
pub text_start_id: u32,
pub tie_word_embeddings: bool,
pub dtype: String,
pub use_cache: bool,
pub use_qk_norm: bool,
pub use_cla: bool,
pub vision_config: HunYuanVLVisionConfig,
pub vocab_size: usize,
}
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct HunYuanVLRopeScaling {
pub alpha: f64,
pub beta_fast: i32,
pub beta_slow: i32,
pub factor: f64,
pub mscale: f64,
pub mscale_all_dim: f64,
#[serde(rename = "type")]
pub type_field: String,
pub xdrope_section: Vec<usize>,
}
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct HunYuanVLVisionConfig {
pub add_patchemb_bias: bool,
pub attention_dropout: f64,
pub cat_extra_token: i32,
pub hidden_act: Activation,
pub hidden_dropout: f64,
pub hidden_size: usize,
pub img_max_token_num: usize,
pub intermediate_size: usize,
pub interpolate_mode: String,
pub max_image_size: usize,
pub max_vit_seq_len: usize,
pub num_attention_heads: usize,
pub num_channels: usize,
pub num_hidden_layers: usize,
pub out_hidden_size: usize,
pub patch_size: usize,
pub rms_norm_eps: f64,
pub spatial_merge_size: usize,
}
#[derive(Debug, Clone, PartialEq, serde::Deserialize)]
pub struct HunyuanOCRGenerationConfig {
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,
pub repetition_penalty: f32,
}
#[derive(Debug, Clone, PartialEq, serde::Deserialize)]
pub struct HunyuanOCRPreprocessorConfig {
pub min_pixels: usize,
pub max_pixels: usize,
pub patch_size: usize,
pub resample: usize,
pub temporal_patch_size: usize,
pub merge_size: usize,
pub image_mean: Vec<f32>,
pub image_std: Vec<f32>,
}
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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::{
chat_template::ChatTemplate,
models::{
GenerateModel,
hunyuan_ocr::{
config::{HunYuanVLConfig, HunyuanOCRGenerationConfig},
model::HunyuanVLModel,
processor::HunyuanVLProcessor,
},
},
tokenizer::TokenizerModel,
utils::{
build_completion_chunk_response, build_completion_response, find_type_files, get_device,
get_dtype, get_logit_processor,
},
};
pub struct HunyuanOCRGenerateModel<'a> {
chat_template: ChatTemplate<'a>,
tokenizer: TokenizerModel,
pre_processor: HunyuanVLProcessor,
hunyuan_vl: HunyuanVLModel,
device: Device,
eos_token_id1: u32,
eos_token_id2: u32,
generation_config: HunyuanOCRGenerationConfig,
model_name: String,
}
impl<'a> HunyuanOCRGenerateModel<'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: HunYuanVLConfig = serde_json::from_slice(&std::fs::read(config_path)?)?;
let device = get_device(device);
let cfg_dtype = cfg.dtype.as_str();
let dtype = get_dtype(dtype, cfg_dtype);
let pre_processor = HunyuanVLProcessor::new(path, &device, dtype)?;
let model_list = find_type_files(path, "safetensors")?;
let vb = unsafe { VarBuilder::from_mmaped_safetensors(&model_list, dtype, &device)? };
let hunyuan_vl = HunyuanVLModel::new(vb, cfg.clone())?;
let generation_config_path = path.to_string() + "/generation_config.json";
let generation_config: HunyuanOCRGenerationConfig =
serde_json::from_slice(&std::fs::read(generation_config_path)?)?;
Ok(Self {
chat_template,
tokenizer,
pre_processor,
hunyuan_vl,
device,
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: "hunyuan_ocr".to_string(),
})
}
}
impl<'a> GenerateModel for HunyuanOCRGenerateModel<'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 data = self
.pre_processor
.process_info(&mes, &self.tokenizer, &mes_render)?;
let mut input_ids = data.input_ids;
let mut position_ids = Some(&data.position_ids);
let mut image_mask = Some(&data.image_mask);
let mut pixel_values = data.pixel_values;
let mut image_grid_thw = data.image_grid_thw;
let mut seq_len = input_ids.dim(1)?;
let mut seqlen_offset = 0;
let mut generate: Vec<u32> = Vec::new();
let sample_len = mes.max_tokens.unwrap_or(1024);
for _ in 0..sample_len {
let logits = self.hunyuan_vl.forward(
&input_ids,
pixel_values.as_ref(),
image_grid_thw.as_ref(),
image_mask,
position_ids,
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)?;
position_ids = None;
image_mask = None;
pixel_values = None;
image_grid_thw = None;
}
let res = self.tokenizer.token_decode(generate)?;
self.hunyuan_vl.clear_kv_cache();
let response = build_completion_response(res, &self.model_name);
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 data = self
.pre_processor
.process_info(&mes, &self.tokenizer, &mes_render)?;
let mut seqlen_offset = 0;
let sample_len = mes.max_tokens.unwrap_or(1024);
let stream = stream! {
let mut error_tokens = Vec::new();
let mut input_ids = data.input_ids;
let mut position_ids = Some(&data.position_ids);
let mut image_mask = Some(&data.image_mask);
let mut pixel_values = data.pixel_values;
let mut image_grid_thw = data.image_grid_thw;
let mut seq_len = input_ids.dim(1)?;
for _ in 0..sample_len {
let logits = self.hunyuan_vl.forward(
&input_ids,
pixel_values.as_ref(),
image_grid_thw.as_ref(),
image_mask,
position_ids,
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)?;
position_ids = None;
image_mask = None;
pixel_values = None;
image_grid_thw = None;
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)?;
position_ids = None;
image_mask = None;
pixel_values = None;
image_grid_thw = None;
}
self.hunyuan_vl.clear_kv_cache();
};
Ok(Box::new(Box::pin(stream)))
}
}
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pub mod config;
pub mod generate;
pub mod model;
pub mod processor;
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use anyhow::{Result, anyhow};
use candle_core::{D, IndexOp, Tensor};
use candle_nn::{
Conv2d, Embedding, Init, LayerNorm, Linear, Module, RmsNorm, VarBuilder, embedding, linear,
linear_no_bias, rms_norm,
};
use crate::{
models::{
common::{
GateUpDownMLP, NaiveAttention, TwoLinearMLP, eager_attention_forward, get_conv2d,
get_layer_norm,
},
hunyuan_ocr::config::{HunYuanVLConfig, HunYuanVLVisionConfig},
},
position_embed::rope::{RoPE, apply_rotary_pos_emb, get_xd_cos_sin},
utils::tensor_utils::{
interpolate_bilinear, masked_scatter_dim0, prepare_causal_attention_mask, split_tensor,
},
};
pub struct HunYuanVisionPatchEmbed {
patch_embedding: Conv2d,
// position_embedding: Embedding,
num_channels: usize,
patch_size: usize,
// num_positions: usize,
// position_edge: usize,
embed_dim: usize,
patch_pos_embed: Tensor,
}
impl HunYuanVisionPatchEmbed {
pub fn new(vb: VarBuilder, config: &HunYuanVLVisionConfig) -> Result<Self> {
let patch_embedding = get_conv2d(
vb.pp("patch_embedding"),
config.num_channels,
config.hidden_size,
config.patch_size,
0,
config.patch_size,
1,
1,
true,
)?;
let num_channels = config.num_channels;
let patch_size = config.patch_size;
let position_edge = config.max_image_size / patch_size;
let num_positions = (position_edge).pow(2) + 1;
let embed_dim = config.hidden_size;
let position_embedding = embedding(num_positions, embed_dim, vb.pp("position_embedding"))?;
let patch_pos_embed = position_embedding
.embeddings()
.i(1..)?
.reshape((1, position_edge, position_edge, embed_dim))?
.permute((0, 3, 1, 2))?;
Ok(Self {
patch_embedding,
// position_embedding,
num_channels,
patch_size,
// num_positions,
// position_edge,
embed_dim,
patch_pos_embed,
})
}
pub fn forward(&self, pixel_values: &Tensor, grid_thw: &Tensor) -> Result<Tensor> {
let (num_patches, _) = pixel_values.dims2()?;
let pixel_values = pixel_values.reshape((
num_patches,
self.num_channels,
self.patch_size,
self.patch_size,
))?;
let patch_embeds = self.patch_embedding.forward(&pixel_values)?;
let patch_embeds = patch_embeds
.squeeze(D::Minus1)?
.squeeze(D::Minus1)?
.unsqueeze(0)?;
let mut patch_pos_embed_list = vec![];
let img_num = grid_thw.dim(0)?;
for i in 0..img_num {
let grid_i = grid_thw.i(i)?;
let grid_h = grid_i.i(1)?.to_scalar::<u32>()? as usize;
let grid_w = grid_i.i(2)?.to_scalar::<u32>()? as usize;
let patch_pos_embed_ =
interpolate_bilinear(&self.patch_pos_embed, (grid_h, grid_w), Some(false))?;
let patch_pos_embed_ = patch_pos_embed_
.reshape((self.embed_dim, ()))?
.transpose(0, 1)?
.unsqueeze(0)?;
patch_pos_embed_list.push(patch_pos_embed_);
}
let patch_pos_embed = Tensor::cat(&patch_pos_embed_list, 1)?;
let embedding = patch_embeds.add(&patch_pos_embed)?;
Ok(embedding)
}
}
pub struct HunYuanVisionBlock {
self_attn: NaiveAttention,
mlp: TwoLinearMLP,
input_layernorm: LayerNorm,
post_attention_layernorm: LayerNorm,
}
impl HunYuanVisionBlock {
pub fn new(vb: VarBuilder, config: &HunYuanVLVisionConfig) -> Result<Self> {
let self_attn = NaiveAttention::new(
vb.pp("self_attn"),
config.hidden_size,
config.num_attention_heads,
config.num_attention_heads,
true,
)?;
let mlp = TwoLinearMLP::new(
vb.pp("mlp"),
config.hidden_size,
config.intermediate_size,
config.hidden_act,
true,
"dense_h_to_4h",
"dense_4h_to_h",
)?;
let input_layernorm = get_layer_norm(
vb.pp("input_layernorm"),
config.rms_norm_eps,
config.hidden_size,
)?;
let post_attention_layernorm = get_layer_norm(
vb.pp("post_attention_layernorm"),
config.rms_norm_eps,
config.hidden_size,
)?;
Ok(Self {
self_attn,
mlp,
input_layernorm,
post_attention_layernorm,
})
}
pub fn forward(&self, xs: &Tensor) -> Result<Tensor> {
let residual = xs.clone();
let xs = self.input_layernorm.forward(xs)?;
let xs = self.self_attn.forward(&xs, None, None, None, false)?;
let residual = residual.add(&xs)?;
let xs = self.post_attention_layernorm.forward(&residual)?;
let xs = self.mlp.forward(&xs)?;
let xs = residual.add(&xs)?;
Ok(xs)
}
}
pub struct HunYuanVisionPatchMerger {
proj_0: Conv2d,
proj_2: Conv2d,
mlp: Linear,
image_newline: Tensor,
image_begin: Tensor,
image_end: Tensor,
// image_sep: Tensor,
before_rms: RmsNorm,
after_rms: RmsNorm,
}
impl HunYuanVisionPatchMerger {
pub fn new(vb: VarBuilder, config: &HunYuanVLVisionConfig) -> Result<Self> {
let proj_0 = get_conv2d(
vb.pp("proj.0"),
config.hidden_size,
config.hidden_size * 2,
config.spatial_merge_size,
0,
config.spatial_merge_size,
1,
1,
true,
)?;
let proj_2 = get_conv2d(
vb.pp("proj.2"),
config.hidden_size * 2,
config.hidden_size * 4,
1,
0,
1,
1,
1,
true,
)?;
let mlp = linear(config.hidden_size * 4, config.out_hidden_size, vb.pp("mlp"))?;
let image_newline =
vb.get_with_hints(config.hidden_size * 4, "image_newline", Init::Const(0.))?;
let image_begin =
vb.get_with_hints(config.out_hidden_size, "image_begin", Init::Const(0.))?;
let image_end = vb.get_with_hints(config.out_hidden_size, "image_end", Init::Const(0.))?;
// let image_sep = vb.get_with_hints(config.out_hidden_size, "image_sep", Init::Const(0.))?;
let before_rms = rms_norm(config.hidden_size, config.rms_norm_eps, vb.pp("before_rms"))?;
let after_rms = rms_norm(
config.out_hidden_size,
config.rms_norm_eps,
vb.pp("after_rms"),
)?;
Ok(Self {
proj_0,
proj_2,
mlp,
image_newline,
image_begin,
image_end,
// image_sep,
before_rms,
after_rms,
})
}
pub fn forward(&self, xs: &Tensor, size: (usize, usize)) -> Result<Tensor> {
let xs = self.before_rms.forward(xs)?;
let (h, w) = size;
let xs = xs.permute((0, 2, 1))?.reshape((xs.dim(0)?, (), h, w))?;
let xs = self.proj_0.forward(&xs)?.gelu()?;
let xs = self.proj_2.forward(&xs)?;
let (b, c, h, _) = xs.dims4()?;
let image_newline = self
.image_newline
.reshape((1, c, 1, 1))?
.broadcast_as((b, c, h, 1))?
.to_dtype(xs.dtype())?;
let xs = Tensor::cat(&[xs, image_newline], D::Minus1)?;
let xs = xs.reshape((b, c, ()))?.permute((0, 2, 1))?;
let xs = self.mlp.forward(&xs)?;
let begin = self
.image_begin
.reshape((1, 1, ()))?
.broadcast_as((b, 1, xs.dim(D::Minus1)?))?
.to_dtype(xs.dtype())?;
let end = self
.image_end
.reshape((1, 1, ()))?
.broadcast_as((b, 1, xs.dim(D::Minus1)?))?
.to_dtype(xs.dtype())?;
let xs = Tensor::cat(&[begin, xs, end], 1)?;
let xs = self.after_rms.forward(&xs)?;
Ok(xs)
}
}
pub struct HunYuanVisionTransformer {
embeddings: HunYuanVisionPatchEmbed,
layers: Vec<HunYuanVisionBlock>,
perceive: HunYuanVisionPatchMerger,
}
impl HunYuanVisionTransformer {
pub fn new(vb: VarBuilder, config: &HunYuanVLVisionConfig) -> Result<Self> {
let embeddings = HunYuanVisionPatchEmbed::new(vb.pp("embeddings"), config)?;
let mut layers = vec![];
let vb_layers = vb.pp("layers");
for i in 0..config.num_hidden_layers {
let layer_i = HunYuanVisionBlock::new(vb_layers.pp(i), config)?;
layers.push(layer_i);
}
let perceive = HunYuanVisionPatchMerger::new(vb.pp("perceive"), config)?;
Ok(Self {
embeddings,
layers,
perceive,
})
}
pub fn forward(&self, xs: &Tensor, grid_thw: &Tensor) -> Result<Tensor> {
let mut hidden_states = self.embeddings.forward(xs, grid_thw)?;
for layer in &self.layers {
hidden_states = layer.forward(&hidden_states)?;
}
let mut cu_seqlens = vec![];
for i in 0..grid_thw.dim(0)? {
let [_, h, w] = grid_thw.i(i)?.to_vec1::<u32>()?[..] else {
return Err(anyhow!(format!("grid_thw Expected exactly 3 elements")));
};
cu_seqlens.push((h * w) as usize);
}
let split_items = split_tensor(&hidden_states, &cu_seqlens, 1)?;
let mut processed_item = vec![];
for i in 0..grid_thw.dim(0)? {
let [_, h, w] = grid_thw.i(i)?.to_vec1::<u32>()?[..] else {
return Err(anyhow!(format!("grid_thw Expected exactly 3 elements")));
};
let processed = self
.perceive
.forward(&split_items[i], (h as usize, w as usize))?;
processed_item.push(processed);
}
let xs = Tensor::cat(&processed_item, 1)?;
Ok(xs)
}
}
pub struct HunYuanVLAttention {
q_proj: Linear,
k_proj: Linear,
v_proj: Linear,
o_proj: Linear,
query_layernorm: RmsNorm,
key_layernorm: 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 HunYuanVLAttention {
pub fn new(
vb: VarBuilder,
hidden_size: usize,
head_dim: usize,
num_attention_heads: usize,
num_key_value_heads: usize,
attention_bias: bool,
rms_norm_eps: f64,
) -> Result<Self> {
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 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 query_layernorm = rms_norm(head_dim, rms_norm_eps, vb.pp("query_layernorm"))?;
let key_layernorm = rms_norm(head_dim, rms_norm_eps, vb.pp("key_layernorm"))?;
Ok(Self {
q_proj,
k_proj,
v_proj,
o_proj,
query_layernorm,
key_layernorm,
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))?
.transpose(1, 2)?;
let key_states = self
.k_proj
.forward(xs)?
.reshape((b_sz, q_len, self.num_key_value_heads, self.head_dim))?
.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 query_states = self.query_layernorm.forward(&query_states)?;
let key_states = self.key_layernorm.forward(&key_states)?;
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 HunYuanVLDecoderLayer {
self_attn: HunYuanVLAttention,
mlp: GateUpDownMLP,
input_layernorm: RmsNorm,
post_attention_layernorm: RmsNorm,
}
impl HunYuanVLDecoderLayer {
pub fn new(config: &HunYuanVLConfig, vb: VarBuilder) -> Result<Self> {
let self_attn = HunYuanVLAttention::new(
vb.pp("self_attn"),
config.hidden_size,
config.head_dim,
config.num_attention_heads,
config.num_key_value_heads,
config.attention_bias,
config.rms_norm_eps,
)?;
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 HunYuanVLTextModel {
embed_tokens: Embedding,
layers: Vec<HunYuanVLDecoderLayer>,
norm: RmsNorm,
rope: RoPE,
xdrope_section: Vec<usize>,
}
impl HunYuanVLTextModel {
pub fn new(vb: VarBuilder, config: &HunYuanVLConfig) -> Result<Self> {
let embed_tokens = embedding(config.vocab_size, config.hidden_size, vb.pp("embed_tokens"))?;
let mut layers = vec![];
let vb_layers = vb.pp("layers");
for i in 0..config.num_hidden_layers {
let layer = HunYuanVLDecoderLayer::new(config, vb_layers.pp(i))?;
layers.push(layer);
}
let norm = rms_norm(config.hidden_size, config.rms_norm_eps, vb.pp("norm"))?;
let base = config.rope_theta
* config
.rope_scaling
.alpha
.powf(config.head_dim as f64 / (config.head_dim - 2) as f64);
let rope = RoPE::new(config.head_dim, base as f32, vb.device())?;
let xdrope_section = config.rope_scaling.xdrope_section.clone();
Ok(Self {
embed_tokens,
layers,
norm,
rope,
xdrope_section,
})
}
pub fn forward(
&mut self,
inputs_embeds: &Tensor,
position_ids: Option<&Tensor>,
seqlen_offset: usize,
) -> Result<Tensor> {
let (b_size, seq_len, _) = inputs_embeds.dims3()?;
// let position_ids = match position_ids {
// Some(ids) => ids.clone(),
// None => Tensor::arange(
// seqlen_offset as u32,
// (seq_len + seqlen_offset) as u32,
// inputs_embeds.device(),
// )?
// .unsqueeze(0)?,
// };
let attention_mask: Option<&Tensor> = {
if seq_len <= 1 {
None
} else {
Some(&prepare_causal_attention_mask(
b_size,
seq_len,
0,
inputs_embeds.device(),
)?)
}
};
let (cos, sin) = self
.rope
.forward(seqlen_offset, seq_len, inputs_embeds.device())?;
let mut xs = inputs_embeds.clone();
for (i, layer) in self.layers.iter_mut().enumerate() {
if i == 0
&& let Some(position_ids) = position_ids
{
let (cos, sin) =
get_xd_cos_sin(&cos, &sin, position_ids, self.xdrope_section.clone())?;
xs = layer.forward(&xs, &cos, &sin, attention_mask)?;
} else {
xs = layer.forward(&xs, &cos, &sin, attention_mask)?;
}
}
let xs = self.norm.forward(&xs)?;
Ok(xs)
}
pub fn clear_kv_cache(&mut self) {
for layer in self.layers.iter_mut() {
layer.clear_kv_cache()
}
}
}
pub struct HunyuanVLModel {
// config: HunYuanVLConfig,
vit: HunYuanVisionTransformer,
model: HunYuanVLTextModel,
lm_head: Linear,
}
impl HunyuanVLModel {
pub fn new(vb: VarBuilder, config: HunYuanVLConfig) -> Result<Self> {
let vit = HunYuanVisionTransformer::new(vb.pp("vit"), &config.vision_config)?;
let model = HunYuanVLTextModel::new(vb.pp("model"), &config)?;
let lm_head = Linear::new(model.embed_tokens.embeddings().clone(), None);
Ok(Self {
// config,
vit,
model,
lm_head,
})
}
pub fn forward(
&mut self,
input_ids: &Tensor,
pixel_values: Option<&Tensor>,
image_grid_thw: Option<&Tensor>,
image_mask: Option<&Tensor>,
position_ids: Option<&Tensor>,
seqlen_offset: usize,
) -> Result<Tensor> {
let mut inputs_embeds = self.model.embed_tokens.forward(input_ids)?;
if let Some(pixel_values) = pixel_values
&& let Some(grid_thw) = image_grid_thw
&& let Some(image_mask) = image_mask
{
let image_embeds = self.vit.forward(pixel_values, grid_thw)?.squeeze(0)?;
inputs_embeds = masked_scatter_dim0(&inputs_embeds, &image_embeds, image_mask)?;
}
let outputs = self
.model
.forward(&inputs_embeds, position_ids, seqlen_offset)?;
let seq_len = outputs.dim(1)?;
let hidden_state = outputs.narrow(1, seq_len - 1, 1)?;
let logits = self.lm_head.forward(&hidden_state)?;
Ok(logits)
}
pub fn clear_kv_cache(&mut self) {
self.model.clear_kv_cache();
}
}
+236
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@@ -0,0 +1,236 @@
use aha_openai_dive::v1::resources::chat::ChatCompletionParameters;
use anyhow::Result;
use candle_core::{DType, Device, IndexOp, Shape, Tensor};
use image::DynamicImage;
use crate::{
models::hunyuan_ocr::config::HunyuanOCRPreprocessorConfig,
tokenizer::TokenizerModel,
utils::{
img_utils::{extract_images, img_smart_resize, img_transform},
tensor_utils::{get_eq_indices, get_equal_mask},
},
};
pub struct HunyuanVLProcessor {
image_token_id: u32,
image_token: String,
placeholder_token: String,
process_cfg: HunyuanOCRPreprocessorConfig,
device: Device,
dtype: DType,
}
impl HunyuanVLProcessor {
pub fn new(path: &str, device: &Device, dtype: DType) -> Result<Self> {
let path = path.to_string();
assert!(
std::path::Path::new(&path).exists(),
"model path file not exists"
);
let process_cfg_file = path.clone() + "/preprocessor_config.json";
assert!(
std::path::Path::new(&process_cfg_file).exists(),
"preprocessor_config.json not exists in model path"
);
let process_cfg: HunyuanOCRPreprocessorConfig =
serde_json::from_slice(&std::fs::read(process_cfg_file)?)?;
let image_token_id = 120120u32;
let image_token = "<hy_place▁holder▁no▁102>".to_string();
let placeholder_token = "<hy_place▁holder▁no▁799>".to_string();
// let pad_id = 120002u32;
Ok(Self {
image_token_id,
image_token,
placeholder_token,
process_cfg,
device: device.clone(),
dtype,
})
}
pub fn process_img(
&self,
img: &DynamicImage,
img_mean: &Tensor,
img_std: &Tensor,
) -> Result<Tensor> {
let img_h = img.height();
let img_w = img.width();
// h,w resize成 32的倍数
let (resize_h, resize_w) = img_smart_resize(
img_h,
img_w,
(self.process_cfg.patch_size * self.process_cfg.merge_size) as u32,
self.process_cfg.min_pixels as u32,
self.process_cfg.max_pixels as u32,
)?;
let img = img.resize_exact(resize_w, resize_h, image::imageops::FilterType::CatmullRom);
let img_tensor = img_transform(&img, img_mean, img_std, &self.device, self.dtype)?;
// (c, h, w) => (1, c, h, w)
let img_tensor = img_tensor.unsqueeze(0)?;
Ok(img_tensor)
}
pub fn process_vision_tensor(&self, img_tensor: &Tensor) -> Result<(Tensor, Tensor)> {
let channel = img_tensor.dim(1)?;
// img_temsor.dim[0] = 1, temporal_patch_size = 1, grid_t = 1
let grid_t = img_tensor.dim(0)? / self.process_cfg.temporal_patch_size;
let grid_h = img_tensor.dim(2)? / self.process_cfg.patch_size;
let grid_w = img_tensor.dim(3)? / self.process_cfg.patch_size;
let shape = Shape::from(vec![
grid_t,
channel,
grid_h / self.process_cfg.merge_size,
self.process_cfg.merge_size,
self.process_cfg.patch_size,
grid_w / self.process_cfg.merge_size,
self.process_cfg.merge_size,
self.process_cfg.patch_size,
]);
let img_tensor = img_tensor.reshape(shape)?;
// shape to // grid_t,
// grid_h / merge_size,
// merge_size,
// grid_w / merge_size,
// merge_size,
// channel,
// patch_size,
// patch_size,
let img_tensor = img_tensor.permute(vec![0, 2, 3, 5, 6, 1, 4, 7])?;
let img_tensor = img_tensor
.reshape((
grid_t * grid_h * grid_w,
channel * self.process_cfg.patch_size * self.process_cfg.patch_size,
))?
.contiguous()?;
let grid_thw = Tensor::from_vec(
vec![grid_t as u32, grid_h as u32, grid_w as u32],
(1, 3),
&self.device,
)?;
Ok((img_tensor, grid_thw))
}
pub fn process_images(
&self,
imgs: &Vec<DynamicImage>,
img_mean: &Tensor,
img_std: &Tensor,
) -> Result<(Tensor, Tensor)> {
let mut pixel_values_vec = Vec::new();
let mut vision_grid_thws_vec = Vec::new();
for img in imgs {
let img_tensor = self.process_img(img, img_mean, img_std)?;
let (img_tensor, grid_thw) = self.process_vision_tensor(&img_tensor)?;
pixel_values_vec.push(img_tensor);
vision_grid_thws_vec.push(grid_thw);
}
let pixel_values = Tensor::cat(&pixel_values_vec, 0)?;
let vision_grid_thws = Tensor::cat(&vision_grid_thws_vec, 0)?;
Ok((pixel_values, vision_grid_thws))
}
pub fn process_info(
&self,
messages: &ChatCompletionParameters,
tokenizer: &TokenizerModel,
text: &str,
) -> Result<HunyuanData> {
let imgs = extract_images(messages)?;
let img_mean = Tensor::from_slice(&self.process_cfg.image_mean, (3, 1, 1), &self.device)?
.to_dtype(self.dtype)?;
let img_std = Tensor::from_slice(&self.process_cfg.image_std, (3, 1, 1), &self.device)?
.to_dtype(self.dtype)?;
let (pixel_values, image_grid_thw) = if !imgs.is_empty() {
let (pixel_values, image_grid_thw) = self.process_images(&imgs, &img_mean, &img_std)?;
(Some(pixel_values), Some(image_grid_thw))
} else {
(None, None)
};
let mut image_tokens_cumsum = vec![0];
let mut text = text.to_string();
if !imgs.is_empty()
&& let Some(grid_thw) = image_grid_thw.as_ref()
{
let mut index = 0;
while text.contains(&self.image_token) {
let grid_i = grid_thw.i(index)?;
let grid_h = grid_i.i(1)?.to_scalar::<u32>()?;
let grid_w = grid_i.i(2)?.to_scalar::<u32>()?;
let patch_h = grid_h / self.process_cfg.merge_size as u32;
let patch_w = grid_w / self.process_cfg.merge_size as u32;
let num_image_tokens = patch_h * (patch_w + 1) + 2;
let num_id = image_tokens_cumsum[image_tokens_cumsum.len() - 1] + num_image_tokens;
image_tokens_cumsum.push(num_id);
let replace = self.placeholder_token.repeat(num_image_tokens as usize);
text = text.replacen(&self.image_token, &replace, 1);
index += 1;
}
}
text = text.replace(&self.placeholder_token, &self.image_token);
let input_ids = tokenizer.text_encode(text, &self.device)?;
let seq_len = input_ids.dim(1)?;
let position_ids = Tensor::arange(0, seq_len as u32, &self.device)?;
let mut position_ids_w = Tensor::arange(0, seq_len as u32, &self.device)?;
let mut position_ids_h = Tensor::arange(0, seq_len as u32, &self.device)?;
let mut position_ids_t = Tensor::arange(0, seq_len as u32, &self.device)?;
if !imgs.is_empty()
&& let Some(grid_thw) = image_grid_thw.as_ref()
{
let image_token_pos_indices = get_eq_indices(&input_ids.i(0)?, self.image_token_id)?;
for i in 0..grid_thw.dim(0)? {
let grid_i = grid_thw.i(i)?;
let grid_h = grid_i.i(1)?.to_scalar::<u32>()?;
let grid_w = grid_i.i(2)?.to_scalar::<u32>()?;
let patch_h = grid_h / self.process_cfg.merge_size as u32;
let patch_w = grid_w / self.process_cfg.merge_size as u32;
let start_pos = image_token_pos_indices
.i(image_tokens_cumsum[i] as usize)?
.to_scalar::<u32>()? as usize
+ 1;
let replace_num = ((patch_w + 1) * patch_h) as usize;
let pos_w: Vec<u32> = (0..patch_h).flat_map(|_| 0u32..patch_w + 1).collect();
position_ids_w = position_ids_w.slice_assign(
&[start_pos..start_pos + replace_num],
&Tensor::new(pos_w, &self.device)?,
)?;
let pos_h: Vec<u32> = (0..patch_h)
.flat_map(|h| vec![h; (patch_w + 1) as usize])
.collect();
position_ids_h = position_ids_h.slice_assign(
&[start_pos..start_pos + replace_num],
&Tensor::new(pos_h, &self.device)?,
)?;
position_ids_t = position_ids_t.slice_assign(
&[start_pos..start_pos + replace_num],
&Tensor::new(vec![0u32; replace_num], &self.device)?,
)?;
}
}
let position_ids = Tensor::stack(
&[position_ids, position_ids_h, position_ids_w, position_ids_t],
0,
)?
.unsqueeze(0)?;
let image_mask = get_equal_mask(&input_ids, self.image_token_id)?;
let data = HunyuanData {
input_ids,
position_ids,
image_mask,
pixel_values,
image_grid_thw,
};
Ok(data)
}
}
pub struct HunyuanData {
pub input_ids: Tensor,
pub position_ids: Tensor,
pub image_mask: Tensor,
pub pixel_values: Option<Tensor>,
pub image_grid_thw: Option<Tensor>,
}