模型训练规划
基于您想从模型推理做起,使用Rust为已训练模型提供统一接口的需求,我来为您详细规划从下往上的系统建设方案。
第一阶段:Rust模型推理引擎核心(1-2个月)
1. 技术选型分析
核心需求:
- 统一的模型接口
- 高性能推理
- 多模型格式支持
- 内存安全保证
技术栈选择:
// Cargo.toml 核心依赖
[dependencies]
// 模型格式支持
onnxruntime = "0.18" # ONNX运行时
tract = "0.20" # 神经网络推理库
ndarray = "0.16" # 多维数组计算
rayon = "1.8" # 数据并行处理
// Web服务
axum = "0.7" # Web框架
tokio = { version = "1.35", features = ["full"] } # 异步运行时
serde = { version = "1.0", features = ["derive"] } # 序列化
serde_json = "1.0"
// 配置管理
config = "0.13"
toml = "0.8"
// 监控和日志
tracing = "0.1"
tracing-subscriber = "0.3"
metrics = "0.22"
2. 项目结构设计
modelflow-inference/
├── Cargo.toml
├── README.md
├── src/
│ ├── main.rs # 程序入口
│ ├── config/ # 配置管理
│ │ ├── mod.rs
│ │ └── settings.rs
│ ├── models/ # 模型管理
│ │ ├── mod.rs
│ │ ├── model_manager.rs # 模型管理器
│ │ ├── model_loader.rs # 模型加载器
│ │ └── model_types.rs # 模型类型定义
│ ├── inference/ # 推理引擎
│ │ ├── mod.rs
│ │ ├── engine.rs # 推理引擎
│ │ ├── preprocessor.rs # 数据预处理
│ │ └── postprocessor.rs # 结果后处理
│ ├── api/ # API接口
│ │ ├── mod.rs
│ │ ├── routes.rs # 路由定义
│ │ ├── handlers.rs # 请求处理器
│ │ └── schemas.rs # 数据结构
│ ├── utils/ # 工具函数
│ │ ├── mod.rs
│ │ ├── metrics.rs # 监控指标
│ │ └── errors.rs # 错误处理
│ └── storage/ # 存储管理
│ ├── mod.rs
│ └── model_storage.rs
├── config/
│ └── default.toml # 默认配置
├── models/ # 模型文件目录
│ ├── image_classification/
│ ├── object_detection/
│ └── text_classification/
└── tests/ # 测试文件
3. 核心代码实现
3.1 模型类型定义
// src/models/model_types.rs
use serde::{Deserialize, Serialize};
use std::collections::HashMap;
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum ModelType {
ImageClassification,
ObjectDetection,
TextClassification,
TextGeneration,
Custom(String),
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum ModelFormat {
ONNX,
TensorFlow,
PyTorch,
Custom(String),
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ModelMetadata {
pub id: String,
pub name: String,
pub version: String,
pub model_type: ModelType,
pub format: ModelFormat,
pub input_shape: Vec<usize>,
pub output_shape: Vec<usize>,
pub description: Option<String>,
pub created_at: chrono::DateTime<chrono::Utc>,
pub parameters: HashMap<String, String>,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct InferenceRequest {
pub model_id: String,
pub inputs: Vec<InferenceInput>,
pub parameters: Option<HashMap<String, serde_json::Value>>,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(tag = "type")]
pub enum InferenceInput {
Image { data: Vec<u8>, format: String },
Text { content: String },
Tensor { data: Vec<f32>, shape: Vec<usize> },
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct InferenceResponse {
pub request_id: String,
pub model_id: String,
pub outputs: Vec<InferenceOutput>,
pub inference_time_ms: f64,
pub memory_usage_mb: f64,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(tag = "type")]
pub enum InferenceOutput {
Classification { classes: Vec<ClassScore> },
Detection { objects: Vec<DetectedObject> },
Text { content: String },
Tensor { data: Vec<f32>, shape: Vec<usize> },
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ClassScore {
pub class_id: usize,
pub class_name: String,
pub score: f32,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct DetectedObject {
pub class_id: usize,
pub class_name: String,
pub score: f32,
pub bbox: [f32; 4], // [x_min, y_min, x_max, y_max]
}
3.2 模型管理器
// src/models/model_manager.rs
use std::collections::HashMap;
use std::path::Path;
use std::sync::Arc;
use tokio::sync::RwLock;
use crate::models::model_types::*;
use crate::inference::engine::InferenceEngine;
use crate::storage::model_storage::ModelStorage;
pub struct ModelManager {
models: RwLock<HashMap<String, Arc<InferenceEngine>>>,
metadata: RwLock<HashMap<String, ModelMetadata>>,
storage: ModelStorage,
}
impl ModelManager {
pub fn new(storage_path: &str) -> Self {
Self {
models: RwLock::new(HashMap::new()),
metadata: RwLock::new(HashMap::new()),
storage: ModelStorage::new(storage_path),
}
}
pub async fn load_model(&self, model_id: &str, model_path: &Path) -> Result<(), ModelError> {
// 1. 加载模型文件
let model_data = self.storage.load_model(model_path).await?;
// 2. 解析模型元数据
let metadata = self.parse_model_metadata(model_id, &model_data).await?;
// 3. 创建推理引擎
let engine = InferenceEngine::new(&model_data, &metadata).await?;
// 4. 存储到内存
let mut models = self.models.write().await;
let mut metadata_map = self.metadata.write().await;
models.insert(model_id.to_string(), Arc::new(engine));
metadata_map.insert(model_id.to_string(), metadata);
Ok(())
}
pub async fn unload_model(&self, model_id: &str) -> Result<(), ModelError> {
let mut models = self.models.write().await;
let mut metadata = self.metadata.write().await;
models.remove(model_id);
metadata.remove(model_id);
Ok(())
}
pub async fn list_models(&self) -> Vec<ModelMetadata> {
let metadata = self.metadata.read().await;
metadata.values().cloned().collect()
}
pub async fn get_model(&self, model_id: &str) -> Option<Arc<InferenceEngine>> {
let models = self.models.read().await;
models.get(model_id).cloned()
}
async fn parse_model_metadata(
&self,
model_id: &str,
model_data: &[u8],
) -> Result<ModelMetadata, ModelError> {
// 根据模型格式解析元数据
// 这里需要根据实际模型格式实现
todo!()
}
}
#[derive(Debug, thiserror::Error)]
pub enum ModelError {
#[error("Model not found: {0}")]
NotFound(String),
#[error("Failed to load model: {0}")]
LoadError(String),
#[error("Invalid model format: {0}")]
InvalidFormat(String),
#[error("IO error: {0}")]
IoError(#[from] std::io::Error),
}
3.3 推理引擎核心
// src/inference/engine.rs
use std::sync::Arc;
use ndarray::{Array, ArrayD};
use tract_onnx::prelude::*;
use crate::models::model_types::*;
use crate::inference::preprocessor::Preprocessor;
use crate::inference::postprocessor::Postprocessor;
pub struct InferenceEngine {
model: TractModel,
metadata: ModelMetadata,
preprocessor: Preprocessor,
postprocessor: Postprocessor,
}
impl InferenceEngine {
pub async fn new(model_data: &[u8], metadata: &ModelMetadata) -> Result<Self, InferenceError> {
// 1. 加载ONNX模型
let model = tract_onnx::onnx()
.model_for_read(&mut std::io::Cursor::new(model_data))?
.into_optimized()?
.into_runnable()?;
// 2. 创建预处理和后处理器
let preprocessor = Preprocessor::new(&metadata);
let postprocessor = Postprocessor::new(&metadata);
Ok(Self {
model,
metadata: metadata.clone(),
preprocessor,
postprocessor,
})
}
pub async fn infer(&self, request: &InferenceRequest) -> Result<InferenceResponse, InferenceError> {
let start_time = std::time::Instant::now();
// 1. 数据预处理
let inputs = self.preprocessor.process(&request.inputs).await?;
// 2. 执行推理
let raw_outputs = self.execute_inference(inputs).await?;
// 3. 结果后处理
let outputs = self.postprocessor.process(raw_outputs).await?;
// 4. 计算推理时间
let inference_time = start_time.elapsed().as_secs_f64() * 1000.0;
// 5. 计算内存使用
let memory_usage = self.get_memory_usage();
Ok(InferenceResponse {
request_id: uuid::Uuid::new_v4().to_string(),
model_id: request.model_id.clone(),
outputs,
inference_time_ms: inference_time,
memory_usage_mb: memory_usage,
})
}
async fn execute_inference(&self, inputs: Vec<ArrayD<f32>>) -> Result<Vec<ArrayD<f32>>, InferenceError> {
// 转换为Tract输入格式
let tract_inputs: Vec<TValue> = inputs
.into_iter()
.map(|arr| arr.into())
.collect();
// 执行推理
let outputs = self.model.run(tract_inputs)?;
// 转换为ndarray格式
let result: Vec<ArrayD<f32>> = outputs
.into_iter()
.map(|tval| tval.into_array::<f32>().unwrap())
.collect();
Ok(result)
}
fn get_memory_usage(&self) -> f64 {
// 获取当前进程内存使用
#[cfg(target_os = "linux")]
{
use std::fs;
let statm = fs::read_to_string("/proc/self/statm").unwrap_or_default();
let pages: Vec<&str> = statm.split_whitespace().collect();
if pages.len() >= 2 {
let pages: u64 = pages[1].parse().unwrap_or(0);
(pages * 4096) as f64 / 1024.0 / 1024.0 // 转换为MB
} else {
0.0
}
}
#[cfg(not(target_os = "linux"))]
{
0.0 // 其他系统暂时返回0
}
}
}
#[derive(Debug, thiserror::Error)]
pub enum InferenceError {
#[error("Model loading error: {0}")]
ModelLoadError(String),
#[error("Input preprocessing error: {0}")]
PreprocessError(String),
#[error("Inference execution error: {0}")]
ExecutionError(String),
#[error("Output postprocessing error: {0}")]
PostprocessError(String),
#[error("Tract error: {0}")]
TractError(#[from] TractError),
}
3.4 Web API接口
// src/api/routes.rs
use axum::{
Router,
routing::{get, post},
};
use std::sync::Arc;
use crate::models::model_manager::ModelManager;
pub fn create_router(model_manager: Arc<ModelManager>) -> Router {
Router::new()
.route("/health", get(health_check))
.route("/models", get(list_models))
.route("/models/{model_id}", get(get_model_info))
.route("/models/{model_id}/load", post(load_model))
.route("/models/{model_id}/unload", post(unload_model))
.route("/infer/{model_id}", post(run_inference))
.with_state(model_manager)
}
async fn health_check() -> &'static str {
"OK"
}
async fn list_models(
axum::extract::State(manager): axum::extract::State<Arc<ModelManager>>,
) -> axum::Json<Vec<crate::models::model_types::ModelMetadata>> {
let models = manager.list_models().await;
axum::Json(models)
}
async fn run_inference(
axum::extract::State(manager): axum::extract::State<Arc<ModelManager>>,
axum::extract::Path(model_id): axum::extract::Path<String>,
axum::Json(request): axum::Json<crate::models::model_types::InferenceRequest>,
) -> Result<axum::Json<crate::models::model_types::InferenceResponse>, axum::Json<serde_json::Value>> {
match manager.get_model(&model_id).await {
Some(engine) => {
match engine.infer(&request).await {
Ok(response) => Ok(axum::Json(response)),
Err(e) => Err(axum::Json(serde_json::json!({
"error": e.to_string()
}))),
}
}
None => Err(axum::Json(serde_json::json!({
"error": format!("Model {} not found", model_id)
}))),
}
}
3.5 主程序入口
// src/main.rs
mod config;
mod models;
mod inference;
mod api;
mod utils;
mod storage;
use std::sync::Arc;
use axum::Server;
use tracing::{info, error};
use crate::config::settings::Settings;
use crate::models::model_manager::ModelManager;
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
// 1. 初始化日志
tracing_subscriber::fmt::init();
// 2. 加载配置
let settings = Settings::new().expect("Failed to load settings");
info!("Starting ModelFlow Inference Engine v{}", env!("CARGO_PKG_VERSION"));
// 3. 创建模型管理器
let model_manager = Arc::new(ModelManager::new(&settings.storage.model_path));
// 4. 预加载模型(可选)
if let Some(preload_models) = &settings.models.preload {
for model_config in preload_models {
info!("Preloading model: {}", model_config.id);
if let Err(e) = model_manager.load_model(&model_config.id, &model_config.path).await {
error!("Failed to preload model {}: {}", model_config.id, e);
}
}
}
// 5. 创建API路由
let app = api::routes::create_router(model_manager);
// 6. 启动服务器
let addr = format!("{}:{}", settings.server.host, settings.server.port);
info!("Server listening on {}", addr);
Server::bind(&addr.parse()?)
.serve(app.into_make_service())
.await?;
Ok(())
}
4. 配置文件示例
# config/default.toml
[server]
host = "0.0.0.0"
port = 8080
workers = 4
max_body_size = "10MB"
[storage]
model_path = "./models"
cache_size = "1GB"
[models]
preload = [
{ id = "resnet50", path = "./models/image_classification/resnet50.onnx", type = "ImageClassification" },
{ id = "yolov5s", path = "./models/object_detection/yolov5s.onnx", type = "ObjectDetection" },
]
[logging]
level = "info"
format = "json"
[monitoring]
enable_metrics = true
metrics_port = 9090
5. 测试客户端示例
# Python测试客户端
import requests
import json
import base64
class ModelFlowClient:
def __init__(self, base_url="http://localhost:8080"):
self.base_url = base_url
def list_models(self):
response = requests.get(f"{self.base_url}/models")
return response.json()
def infer_image(self, model_id, image_path):
# 读取图片并编码
with open(image_path, "rb") as f:
image_data = base64.b64encode(f.read()).decode('utf-8')
# 构建请求
request = {
"model_id": model_id,
"inputs": [{
"type": "Image",
"data": image_data,
"format": "jpeg"
}]
}
# 发送请求
response = requests.post(
f"{self.base_url}/infer/{model_id}",
json=request
)
return response.json()
# 使用示例
if __name__ == "__main__":
client = ModelFlowClient()
# 列出所有模型
models = client.list_models()
print("Available models:", models)
# 运行推理
result = client.infer_image("resnet50", "test.jpg")
print("Inference result:", result)
第二阶段:Go服务编排层(2-3个月)
1. Go服务架构设计
// 项目结构
modelflow-orchestrator/
├── cmd/
│ └── orchestrator/
│ └── main.go
├── internal/
│ ├── api/
│ │ ├── handler.go
│ │ └── router.go
│ ├── config/
│ │ └── config.go
│ ├── models/
│ │ ├── manager.go
│ │ └── registry.go
│ ├── inference/
│ │ ├── client.go
│ │ └── pool.go
│ ├── monitoring/
│ │ ├── metrics.go
│ │ └── health.go
│ └── storage/
│ └── model_store.go
├── pkg/
│ └── utils/
├── configs/
│ └── config.yaml
└── go.mod
2. 核心功能实现
2.1 模型注册中心
// internal/models/registry.go
package models
import (
"context"
"sync"
"time"
)
type ModelInstance struct {
ID string
URL string
Status string
Load float64
LastUsed time.Time
Metadata ModelMetadata
}
type ModelRegistry struct {
mu sync.RWMutex
models map[string][]*ModelInstance
clients map[string]*InferenceClient
}
func NewModelRegistry() *ModelRegistry {
return &ModelRegistry{
models: make(map[string][]*ModelInstance),
clients: make(map[string]*InferenceClient),
}
}
func (r *ModelRegistry) RegisterModel(ctx context.Context, modelID string, instance *ModelInstance) error {
r.mu.Lock()
defer r.mu.Unlock()
// 创建推理客户端
client, err := NewInferenceClient(instance.URL)
if err != nil {
return err
}
r.models[modelID] = append(r.models[modelID], instance)
r.clients[instance.ID] = client
return nil
}
func (r *ModelRegistry) GetInstance(modelID string) (*ModelInstance, *InferenceClient, error) {
r.mu.RLock()
defer r.mu.RUnlock()
instances, exists := r.models[modelID]
if !exists || len(instances) == 0 {
return nil, nil, fmt.Errorf("no instances available for model %s", modelID)
}
// 简单的负载均衡:选择负载最低的实例
var selected *ModelInstance
for _, instance := range instances {
if instance.Status == "healthy" {
if selected == nil || instance.Load < selected.Load {
selected = instance
}
}
}
if selected == nil {
return nil, nil, fmt.Errorf("no healthy instances available")
}
client := r.clients[selected.ID]
return selected, client, nil
}
2.2 推理客户端池
// internal/inference/pool.go
package inference
import (
"context"
"sync"
"time"
)
type InferencePool struct {
mu sync.RWMutex
clients map[string]*ClientPool
config PoolConfig
}
type ClientPool struct {
clients []*InferenceClient
index int
mu sync.Mutex
}
func NewInferencePool(config PoolConfig) *InferencePool {
return &InferencePool{
clients: make(map[string]*ClientPool),
config: config,
}
}
func (p *InferencePool) GetClient(modelID string) (*InferenceClient, error) {
p.mu.RLock()
pool, exists := p.clients[modelID]
p.mu.RUnlock()
if !exists {
return nil, fmt.Errorf("no clients available for model %s", modelID)
}
return pool.Get(), nil
}
func (p *InferencePool) AddClient(modelID string, client *InferenceClient) {
p.mu.Lock()
defer p.mu.Unlock()
if _, exists := p.clients[modelID]; !exists {
p.clients[modelID] = &ClientPool{
clients: make([]*InferenceClient, 0),
}
}
pool := p.clients[modelID]
pool.clients = append(pool.clients, client)
}
func (cp *ClientPool) Get() *InferenceClient {
cp.mu.Lock()
defer cp.mu.Unlock()
if len(cp.clients) == 0 {
return nil
}
// 简单的轮询负载均衡
client := cp.clients[cp.index]
cp.index = (cp.index + 1) % len(cp.clients)
return client
}
2.3 统一API网关
// internal/api/handler.go
package api
import (
"encoding/json"
"net/http"
"github.com/gin-gonic/gin"
)
type InferenceHandler struct {
registry *models.ModelRegistry
pool *inference.InferencePool
}
func NewInferenceHandler(registry *models.ModelRegistry, pool *inference.InferencePool) *InferenceHandler {
return &InferenceHandler{
registry: registry,
pool: pool,
}
}
func (h *InferenceHandler) Infer(c *gin.Context) {
modelID := c.Param("model_id")
var req InferenceRequest
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
return
}
// 获取推理客户端
client, err := h.pool.GetClient(modelID)
if err != nil {
c.JSON(http.StatusNotFound, gin.H{"error": err.Error()})
return
}
// 执行推理
startTime := time.Now()
resp, err := client.Infer(c.Request.Context(), &req)
inferenceTime := time.Since(startTime)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
return
}
// 添加监控指标
resp.InferenceTimeMS = float64(inferenceTime.Milliseconds())
c.JSON(http.StatusOK, resp)
}
func (h *InferenceHandler) RegisterModel(c *gin.Context) {
var req RegisterModelRequest
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
return
}
instance := &models.ModelInstance{
ID: generateInstanceID(),
URL: req.URL,
Status: "healthy",
Metadata: req.Metadata,
}
if err := h.registry.RegisterModel(c.Request.Context(), req.ModelID, instance); err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
return
}
c.JSON(http.StatusOK, gin.H{
"instance_id": instance.ID,
"status": "registered",
})
}
第三阶段:完整系统集成(3-4个月)
1. 系统架构图
┌─────────────────────────────────────────────────────────────┐
│ 客户端请求 │
└──────────────────────────┬──────────────────────────────────┘
│
┌──────────────────────────▼──────────────────────────────────┐
│ Go API网关层 │
│ ├── 负载均衡 ├── 服务发现 │
│ ├── 认证授权 ├── 限流熔断 │
│ └── 请求路由 └── 监控指标 │
└──────────────────────────┬──────────────────────────────────┘
│
┌──────────────────────────▼──────────────────────────────────┐
│ Go服务编排层 │
│ ├── 模型注册中心 ├── 实例健康检查 │
│ ├── 客户端连接池 ├── 自动扩缩容 │
│ └── 任务队列管理 └── 故障转移 │
└──────────────────────────┬──────────────────────────────────┘
│
┌──────────────────────────▼──────────────────────────────────┐
│ Rust推理引擎实例 │
│ ┌────────────┐ ┌────────────┐ ┌────────────┐ │
│ │ 实例1 │ │ 实例2 │ │ 实例3 │ │
│ │ ONNX运行时 │ │ ONNX运行时 │ │ ONNX运行时 │ │
│ │ 模型加载 │ │ 模型加载 │ │ 模型加载 │ │
│ │ 推理执行 │ │ 推理执行 │ │ 推理执行 │ │
│ └────────────┘ └────────────┘ └────────────┘ │
└─────────────────────────────────────────────────────────────┘
2. 部署配置
# docker-compose.yml
version: '3.8'
services:
# Rust推理引擎实例
inference-engine-1:
build: ./modelflow-inference
ports:
- "8081:8080"
volumes:
- ./models:/app/models
environment:
- RUST_LOG=info
- MODEL_PATH=/app/models
deploy:
resources:
limits:
memory: 2G
reservations:
memory: 1G
inference-engine-2:
build: ./modelflow-inference
ports:
- "8082:8080"
volumes:
- ./models:/app/models
environment:
- RUST_LOG=info
- MODEL_PATH=/app/models
# Go编排服务
orchestrator:
build: ./modelflow-orchestrator
ports:
- "8080:8080"
depends_on:
- inference-engine-1
- inference-engine-2
environment:
- INFERENCE_INSTANCES=http://inference-engine-1:8080,http://inference-engine-2:8080
- REDIS_URL=redis://redis:6379
# Redis缓存
redis:
image: redis:alpine
ports:
- "6379:6379"
volumes:
- redis-data:/data
# 监控系统
prometheus:
image: prom/prometheus
ports:
- "9090:9090"
volumes:
- ./prometheus.yml:/etc/prometheus/prometheus.yml
grafana:
image: grafana/grafana
ports:
- "3000:3000"
environment:
- GF_SECURITY_ADMIN_PASSWORD=admin
volumes:
redis-data:
3. 开发路线图
第1周:Rust推理引擎基础
- 设置Rust开发环境
- 实现基本的ONNX模型加载
- 创建简单的HTTP服务器
- 实现单个模型的推理接口
第2-3周:模型管理功能
- 实现多模型支持
- 添加模型元数据管理
- 实现模型热加载
- 添加基本监控指标
第4周:数据预处理
- 实现图像预处理
- 实现文本预处理
- 添加数据验证
- 实现批处理支持
第5-6周:Go编排服务基础
- 设置Go开发环境
- 实现基本的API网关
- 创建模型注册中心
- 实现简单的负载均衡
第7-8周:高级功能
- 实现连接池管理
- 添加健康检查机制
- 实现故障转移
- 添加性能监控
第9-12周:系统集成
- 容器化部署
- 配置管理
- 监控系统集成
- 性能测试和优化
4. 学习资源推荐
Rust学习路径
- 基础语法:《Rust编程之道》
- 异步编程:tokio官方文档
- AI推理:tract和onnxruntime文档
- 性能优化:《Rust性能指南》
Go学习路径
- Web开发:gin框架官方文档
- 并发编程:《Go并发编程实战》
- 微服务:go-micro框架
- 监控运维:Prometheus + Grafana
5. 测试策略
单元测试
// Rust单元测试示例
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_model_loading() {
// 测试模型加载功能
}
#[tokio::test]
async fn test_inference() {
// 测试推理功能
}
}
集成测试
// Go集成测试示例
func TestInferenceIntegration(t *testing.T) {
// 启动测试服务器
// 发送测试请求
// 验证响应结果
}
性能测试
# 使用wrk进行性能测试
wrk -t12 -c400 -d30s http://localhost:8080/infer/resnet50
# 使用vegeta进行负载测试
echo "POST http://localhost:8080/infer/resnet50" | \
vegeta attack -body=request.json -duration=30s | \
vegeta report
6. 下一步行动建议
-
立即开始:
- 安装Rust开发环境
- 创建第一个Rust项目
- 尝试加载一个简单的ONNX模型
-
第一周目标:
- 实现基本的模型加载
- 创建HTTP服务器
- 完成第一个可运行的推理服务
-
第一个月里程碑:
- 支持至少3种模型格式
- 实现完整的API接口
- 达到1000 QPS的性能基准
-
持续改进:
- 每周发布一个可运行的版本
- 逐步添加新功能
- 持续进行性能优化
这个从下往上的建设方案让您可以从最核心的推理引擎开始,逐步构建完整的系统。Rust负责高性能的模型推理,Go负责系统的编排和管理,两者结合可以充分发挥各自优势。建议您先从Rust推理引擎开始,这是整个系统的技术核心,也是最具挑战性的部分。