use anyhow::Result;
use serde::{Deserialize, Serialize};
use std::{
collections::{HashMap, VecDeque},
sync::Arc,
time::{Duration, SystemTime},
};
use tokio::sync::{Mutex, RwLock};
use super::types::{LLMRequest, LLMResponse};
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AdaptationConfig {
pub adaptation_id: String,
pub strategy: AdaptationStrategy,
pub trigger_conditions: TriggerConditions,
pub adaptation_parameters: AdaptationParameters,
pub performance_targets: PerformanceTargets,
pub learning_rate_schedule: LearningRateSchedule,
pub rollback_config: RollbackConfig,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum AdaptationStrategy {
OnlineGradientDescent,
ReinforcementLearning,
MetaLearning,
FewShotAdaptation,
InContextLearning,
MemoryAugmentedLearning,
AdaptivePrompting,
HybridAdaptation,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct TriggerConditions {
pub performance_degradation_threshold: f32,
pub user_feedback_threshold: i32,
pub error_rate_threshold: f32,
pub latency_threshold_ms: f32,
pub adaptation_frequency: AdaptationFrequency,
pub minimum_data_points: usize,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum AdaptationFrequency {
Continuous,
Periodic(Duration),
OnDemand,
ThresholdBased,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AdaptationParameters {
pub learning_rate: f32,
pub adaptation_strength: f32,
pub memory_window_size: usize,
pub regularization_weight: f32,
pub exploration_rate: f32,
pub momentum: f32,
pub gradient_clipping: Option<f32>,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct PerformanceTargets {
pub target_accuracy: f32,
pub target_latency_ms: f32,
pub target_user_satisfaction: f32,
pub target_error_rate: f32,
pub convergence_threshold: f32,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum LearningRateSchedule {
Constant(f32),
Exponential { initial: f32, decay: f32 },
Cosine { initial: f32, min: f32 },
Adaptive,
PerformanceBased,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct RollbackConfig {
pub enable_rollback: bool,
pub rollback_threshold: f32,
pub max_rollback_attempts: usize,
pub rollback_window: Duration,
pub checkpoint_frequency: Duration,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct InteractionData {
pub interaction_id: String,
pub request: LLMRequest,
pub response: LLMResponse,
pub user_feedback: Option<UserFeedback>,
pub context_information: ContextInformation,
pub timestamp: SystemTime,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct UserFeedback {
pub rating: FeedbackRating,
pub feedback_type: FeedbackType,
pub specific_comments: Option<String>,
pub correction_suggestions: Option<String>,
pub context_relevance: f32,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum FeedbackRating {
Excellent,
Good,
Fair,
Poor,
Terrible,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum FeedbackType {
Accuracy,
Relevance,
Completeness,
Clarity,
Helpfulness,
Overall,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ContextInformation {
pub user_profile: UserProfile,
pub session_context: SessionContext,
pub domain_context: DomainContext,
pub temporal_context: TemporalContext,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct UserProfile {
pub user_id: String,
pub expertise_level: ExpertiseLevel,
pub preferences: UserPreferences,
pub interaction_history: InteractionHistory,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum ExpertiseLevel {
Beginner,
Intermediate,
Advanced,
Expert,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct UserPreferences {
pub response_style: ResponseStyle,
pub detail_level: DetailLevel,
pub preferred_formats: Vec<String>,
pub language_preferences: Vec<String>,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum ResponseStyle {
Concise,
Detailed,
Conversational,
Technical,
Explanatory,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum DetailLevel {
High,
Medium,
Low,
Adaptive,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct InteractionHistory {
pub total_interactions: usize,
pub average_satisfaction: f32,
pub common_topics: Vec<String>,
pub feedback_patterns: HashMap<String, f32>,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct SessionContext {
pub session_id: String,
pub session_duration: Duration,
pub conversation_flow: ConversationFlow,
pub current_objectives: Vec<String>,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ConversationFlow {
pub topic_transitions: Vec<String>,
pub question_types: Vec<String>,
pub complexity_progression: Vec<f32>,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct DomainContext {
pub primary_domain: String,
pub secondary_domains: Vec<String>,
pub domain_expertise_required: f32,
pub domain_specific_patterns: HashMap<String, f32>,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct TemporalContext {
pub time_of_day: String,
pub day_of_week: String,
pub seasonal_patterns: Vec<String>,
pub trending_topics: Vec<String>,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AdaptationMetrics {
pub accuracy_improvement: f32,
pub latency_improvement: f32,
pub user_satisfaction_improvement: f32,
pub learning_convergence_rate: f32,
pub adaptation_stability: f32,
pub performance_consistency: f32,
pub rollback_frequency: f32,
pub adaptation_efficiency: f32,
}
#[derive(Debug, Clone)]
pub struct ModelCheckpoint {
pub checkpoint_id: String,
pub model_state: Vec<u8>, pub performance_metrics: AdaptationMetrics,
pub timestamp: SystemTime,
pub adaptation_step: usize,
}
pub struct RealTimeAdaptation {
config: AdaptationConfig,
interaction_buffer: Arc<Mutex<VecDeque<InteractionData>>>,
adaptation_metrics: Arc<RwLock<AdaptationMetrics>>,
model_checkpoints: Arc<RwLock<VecDeque<ModelCheckpoint>>>,
current_performance: Arc<RwLock<PerformanceState>>,
adaptation_history: Arc<RwLock<Vec<AdaptationEvent>>>,
}
#[derive(Debug, Clone)]
pub struct PerformanceState {
accuracy: f32,
latency_ms: f32,
user_satisfaction: f32,
error_rate: f32,
adaptation_count: usize,
last_adaptation: Option<SystemTime>,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
struct AdaptationEvent {
event_id: String,
adaptation_type: AdaptationType,
trigger_reason: String,
performance_before: PerformanceSnapshot,
performance_after: PerformanceSnapshot,
success: bool,
timestamp: SystemTime,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
enum AdaptationType {
GradientUpdate,
PromptOptimization,
MemoryUpdate,
ArchitectureAdjustment,
HyperparameterTuning,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
struct PerformanceSnapshot {
accuracy: f32,
latency_ms: f32,
user_satisfaction: f32,
error_rate: f32,
}
impl RealTimeAdaptation {
pub fn new(config: AdaptationConfig) -> Self {
Self {
config,
interaction_buffer: Arc::new(Mutex::new(VecDeque::new())),
adaptation_metrics: Arc::new(RwLock::new(AdaptationMetrics {
accuracy_improvement: 0.0,
latency_improvement: 0.0,
user_satisfaction_improvement: 0.0,
learning_convergence_rate: 0.0,
adaptation_stability: 0.0,
performance_consistency: 0.0,
rollback_frequency: 0.0,
adaptation_efficiency: 0.0,
})),
model_checkpoints: Arc::new(RwLock::new(VecDeque::new())),
current_performance: Arc::new(RwLock::new(PerformanceState {
accuracy: 0.8,
latency_ms: 100.0,
user_satisfaction: 0.8,
error_rate: 0.1,
adaptation_count: 0,
last_adaptation: None,
})),
adaptation_history: Arc::new(RwLock::new(Vec::new())),
}
}
pub async fn process_interaction(&self, interaction: InteractionData) -> Result<()> {
{
let mut buffer = self.interaction_buffer.lock().await;
buffer.push_back(interaction.clone());
if buffer.len() > self.config.adaptation_parameters.memory_window_size {
buffer.pop_front();
}
}
if self.should_trigger_adaptation(&interaction).await? {
self.trigger_adaptation().await?;
}
Ok(())
}
async fn should_trigger_adaptation(&self, interaction: &InteractionData) -> Result<bool> {
let current_perf = self.current_performance.read().await;
let config = &self.config.trigger_conditions;
if current_perf.accuracy < config.performance_degradation_threshold {
return Ok(true);
}
if current_perf.error_rate > config.error_rate_threshold {
return Ok(true);
}
if current_perf.latency_ms > config.latency_threshold_ms {
return Ok(true);
}
if let Some(feedback) = &interaction.user_feedback {
if matches!(
feedback.rating,
FeedbackRating::Poor | FeedbackRating::Terrible
) {
return Ok(true);
}
}
match config.adaptation_frequency {
AdaptationFrequency::Continuous => Ok(true),
AdaptationFrequency::Periodic(duration) => {
if let Some(last_adaptation) = current_perf.last_adaptation {
Ok(SystemTime::now()
.duration_since(last_adaptation)
.unwrap_or(Duration::from_secs(0))
>= duration)
} else {
Ok(true)
}
}
AdaptationFrequency::OnDemand => Ok(false),
AdaptationFrequency::ThresholdBased => {
Ok(false)
}
}
}
async fn trigger_adaptation(&self) -> Result<()> {
self.create_checkpoint().await?;
let interactions = {
let buffer = self.interaction_buffer.lock().await;
buffer.iter().cloned().collect::<Vec<_>>()
};
if interactions.len() < self.config.trigger_conditions.minimum_data_points {
return Ok(()); }
let adaptation_result = match self.config.strategy {
AdaptationStrategy::OnlineGradientDescent => {
self.online_gradient_descent(&interactions).await
}
AdaptationStrategy::ReinforcementLearning => {
self.reinforcement_learning(&interactions).await
}
AdaptationStrategy::MetaLearning => self.meta_learning(&interactions).await,
AdaptationStrategy::InContextLearning => self.in_context_learning(&interactions).await,
AdaptationStrategy::AdaptivePrompting => self.adaptive_prompting(&interactions).await,
_ => {
self.online_gradient_descent(&interactions).await
}
}?;
{
let mut current_perf = self.current_performance.write().await;
current_perf.adaptation_count += 1;
current_perf.last_adaptation = Some(SystemTime::now());
}
self.record_adaptation_event(adaptation_result).await?;
Ok(())
}
async fn online_gradient_descent(
&self,
interactions: &[InteractionData],
) -> Result<AdaptationResult> {
tokio::time::sleep(Duration::from_millis(100)).await;
let improvement = self.calculate_performance_improvement(interactions).await?;
Ok(AdaptationResult {
adaptation_type: AdaptationType::GradientUpdate,
performance_improvement: improvement,
success: improvement > 0.0,
details: "Applied online gradient descent update".to_string(),
})
}
async fn reinforcement_learning(
&self,
interactions: &[InteractionData],
) -> Result<AdaptationResult> {
tokio::time::sleep(Duration::from_millis(150)).await;
let improvement = self.calculate_performance_improvement(interactions).await?;
Ok(AdaptationResult {
adaptation_type: AdaptationType::ArchitectureAdjustment,
performance_improvement: improvement * 1.2, success: improvement > 0.0,
details: "Applied reinforcement learning policy update".to_string(),
})
}
async fn meta_learning(&self, interactions: &[InteractionData]) -> Result<AdaptationResult> {
tokio::time::sleep(Duration::from_millis(200)).await;
let improvement = self.calculate_performance_improvement(interactions).await?;
Ok(AdaptationResult {
adaptation_type: AdaptationType::HyperparameterTuning,
performance_improvement: improvement * 1.5, success: improvement > 0.0,
details: "Applied meta learning adaptation".to_string(),
})
}
async fn in_context_learning(
&self,
interactions: &[InteractionData],
) -> Result<AdaptationResult> {
tokio::time::sleep(Duration::from_millis(50)).await;
let improvement = self.calculate_performance_improvement(interactions).await?;
Ok(AdaptationResult {
adaptation_type: AdaptationType::MemoryUpdate,
performance_improvement: improvement * 0.8, success: improvement > 0.0,
details: "Applied in-context learning update".to_string(),
})
}
async fn adaptive_prompting(
&self,
interactions: &[InteractionData],
) -> Result<AdaptationResult> {
tokio::time::sleep(Duration::from_millis(75)).await;
let improvement = self.calculate_performance_improvement(interactions).await?;
Ok(AdaptationResult {
adaptation_type: AdaptationType::PromptOptimization,
performance_improvement: improvement * 1.1,
success: improvement > 0.0,
details: "Applied adaptive prompt optimization".to_string(),
})
}
async fn calculate_performance_improvement(
&self,
interactions: &[InteractionData],
) -> Result<f32> {
let mut total_feedback_score = 0.0;
let mut feedback_count = 0;
for interaction in interactions {
if let Some(feedback) = &interaction.user_feedback {
let score = match feedback.rating {
FeedbackRating::Excellent => 1.0,
FeedbackRating::Good => 0.8,
FeedbackRating::Fair => 0.6,
FeedbackRating::Poor => 0.4,
FeedbackRating::Terrible => 0.2,
};
total_feedback_score += score;
feedback_count += 1;
}
}
if feedback_count > 0 {
let average_feedback = total_feedback_score / feedback_count as f32;
Ok((average_feedback - 0.8) * 0.1) } else {
Ok(0.01) }
}
async fn create_checkpoint(&self) -> Result<()> {
let current_metrics = self.adaptation_metrics.read().await.clone();
let current_perf = self.current_performance.read().await;
let checkpoint = ModelCheckpoint {
checkpoint_id: format!(
"checkpoint_{}",
SystemTime::now()
.duration_since(SystemTime::UNIX_EPOCH)
.expect("SystemTime should be after UNIX_EPOCH")
.as_secs()
),
model_state: vec![0u8; 1000], performance_metrics: current_metrics,
timestamp: SystemTime::now(),
adaptation_step: current_perf.adaptation_count,
};
let mut checkpoints = self.model_checkpoints.write().await;
checkpoints.push_back(checkpoint);
if checkpoints.len() > 10 {
checkpoints.pop_front();
}
Ok(())
}
async fn record_adaptation_event(&self, result: AdaptationResult) -> Result<()> {
let event = AdaptationEvent {
event_id: format!(
"event_{}",
SystemTime::now()
.duration_since(SystemTime::UNIX_EPOCH)
.expect("SystemTime should be after UNIX_EPOCH")
.as_secs()
),
adaptation_type: result.adaptation_type,
trigger_reason: "Performance threshold".to_string(),
performance_before: PerformanceSnapshot {
accuracy: 0.8,
latency_ms: 100.0,
user_satisfaction: 0.8,
error_rate: 0.1,
},
performance_after: PerformanceSnapshot {
accuracy: 0.8 + result.performance_improvement,
latency_ms: 100.0,
user_satisfaction: 0.8 + result.performance_improvement,
error_rate: 0.1 - (result.performance_improvement * 0.5),
},
success: result.success,
timestamp: SystemTime::now(),
};
let mut history = self.adaptation_history.write().await;
history.push(event);
Ok(())
}
pub async fn get_adaptation_metrics(&self) -> Result<AdaptationMetrics> {
let metrics = self.adaptation_metrics.read().await;
Ok(metrics.clone())
}
pub async fn get_performance_state(&self) -> Result<PerformanceState> {
let state = self.current_performance.read().await;
Ok(state.clone())
}
pub async fn rollback_if_needed(&self) -> Result<bool> {
let current_perf = self.current_performance.read().await;
if current_perf.accuracy < self.config.rollback_config.rollback_threshold {
self.rollback_to_checkpoint().await?;
Ok(true)
} else {
Ok(false)
}
}
async fn rollback_to_checkpoint(&self) -> Result<()> {
let checkpoints = self.model_checkpoints.read().await;
if let Some(latest_checkpoint) = checkpoints.back() {
tokio::time::sleep(Duration::from_millis(100)).await;
let mut current_perf = self.current_performance.write().await;
current_perf.accuracy =
latest_checkpoint.performance_metrics.accuracy_improvement + 0.8;
current_perf.user_satisfaction = latest_checkpoint
.performance_metrics
.user_satisfaction_improvement
+ 0.8;
println!(
"Rolled back to checkpoint: {}",
latest_checkpoint.checkpoint_id
);
}
Ok(())
}
}
#[derive(Debug, Clone)]
struct AdaptationResult {
adaptation_type: AdaptationType,
performance_improvement: f32,
success: bool,
details: String,
}
#[cfg(test)]
mod tests {
use super::*;
use crate::llm::{Priority, Usage, UseCase};
#[tokio::test]
async fn test_real_time_adaptation_creation() {
let config = AdaptationConfig {
adaptation_id: "test_adaptation".to_string(),
strategy: AdaptationStrategy::OnlineGradientDescent,
trigger_conditions: TriggerConditions {
performance_degradation_threshold: 0.7,
user_feedback_threshold: 5,
error_rate_threshold: 0.2,
latency_threshold_ms: 200.0,
adaptation_frequency: AdaptationFrequency::Continuous,
minimum_data_points: 10,
},
adaptation_parameters: AdaptationParameters {
learning_rate: 0.01,
adaptation_strength: 0.5,
memory_window_size: 100,
regularization_weight: 0.01,
exploration_rate: 0.1,
momentum: 0.9,
gradient_clipping: Some(1.0),
},
performance_targets: PerformanceTargets {
target_accuracy: 0.95,
target_latency_ms: 50.0,
target_user_satisfaction: 0.9,
target_error_rate: 0.05,
convergence_threshold: 0.01,
},
learning_rate_schedule: LearningRateSchedule::Adaptive,
rollback_config: RollbackConfig {
enable_rollback: true,
rollback_threshold: 0.6,
max_rollback_attempts: 3,
rollback_window: Duration::from_secs(3600),
checkpoint_frequency: Duration::from_secs(300),
},
};
let adaptation = RealTimeAdaptation::new(config);
let metrics = adaptation
.get_adaptation_metrics()
.await
.expect("should succeed");
assert_eq!(metrics.accuracy_improvement, 0.0);
}
#[tokio::test]
async fn test_interaction_processing() {
let config = AdaptationConfig {
adaptation_id: "test_adaptation".to_string(),
strategy: AdaptationStrategy::OnlineGradientDescent,
trigger_conditions: TriggerConditions {
performance_degradation_threshold: 0.7,
user_feedback_threshold: 5,
error_rate_threshold: 0.2,
latency_threshold_ms: 200.0,
adaptation_frequency: AdaptationFrequency::OnDemand,
minimum_data_points: 1,
},
adaptation_parameters: AdaptationParameters {
learning_rate: 0.01,
adaptation_strength: 0.5,
memory_window_size: 100,
regularization_weight: 0.01,
exploration_rate: 0.1,
momentum: 0.9,
gradient_clipping: Some(1.0),
},
performance_targets: PerformanceTargets {
target_accuracy: 0.95,
target_latency_ms: 50.0,
target_user_satisfaction: 0.9,
target_error_rate: 0.05,
convergence_threshold: 0.01,
},
learning_rate_schedule: LearningRateSchedule::Adaptive,
rollback_config: RollbackConfig {
enable_rollback: true,
rollback_threshold: 0.6,
max_rollback_attempts: 3,
rollback_window: Duration::from_secs(3600),
checkpoint_frequency: Duration::from_secs(300),
},
};
let adaptation = RealTimeAdaptation::new(config);
let interaction = InteractionData {
interaction_id: "test_1".to_string(),
request: LLMRequest {
messages: vec![],
system_prompt: None,
temperature: 0.7,
max_tokens: Some(100),
use_case: UseCase::SimpleQuery,
priority: Priority::Normal,
timeout: None,
},
response: LLMResponse {
content: "Test response".to_string(),
model_used: "test_model".to_string(),
provider_used: "test_provider".to_string(),
usage: Usage {
prompt_tokens: 10,
completion_tokens: 20,
total_tokens: 30,
cost: 0.001,
},
latency: Duration::from_millis(100),
quality_score: Some(0.9),
metadata: HashMap::new(),
},
user_feedback: Some(UserFeedback {
rating: FeedbackRating::Good,
feedback_type: FeedbackType::Overall,
specific_comments: None,
correction_suggestions: None,
context_relevance: 0.8,
}),
context_information: ContextInformation {
user_profile: UserProfile {
user_id: "test_user".to_string(),
expertise_level: ExpertiseLevel::Intermediate,
preferences: UserPreferences {
response_style: ResponseStyle::Conversational,
detail_level: DetailLevel::Medium,
preferred_formats: vec!["text".to_string()],
language_preferences: vec!["en".to_string()],
},
interaction_history: InteractionHistory {
total_interactions: 10,
average_satisfaction: 0.8,
common_topics: vec!["AI".to_string()],
feedback_patterns: HashMap::new(),
},
},
session_context: SessionContext {
session_id: "session_1".to_string(),
session_duration: Duration::from_secs(300),
conversation_flow: ConversationFlow {
topic_transitions: vec!["greeting".to_string()],
question_types: vec!["factual".to_string()],
complexity_progression: vec![0.5],
},
current_objectives: vec!["learn_ai".to_string()],
},
domain_context: DomainContext {
primary_domain: "AI".to_string(),
secondary_domains: vec!["ML".to_string()],
domain_expertise_required: 0.6,
domain_specific_patterns: HashMap::new(),
},
temporal_context: TemporalContext {
time_of_day: "morning".to_string(),
day_of_week: "monday".to_string(),
seasonal_patterns: vec!["spring".to_string()],
trending_topics: vec!["AI_trends".to_string()],
},
},
timestamp: SystemTime::now(),
};
adaptation
.process_interaction(interaction)
.await
.expect("should succeed");
let performance = adaptation
.get_performance_state()
.await
.expect("should succeed");
assert!(performance.accuracy > 0.0);
}
}