tenflowers-core 0.1.1

// Cross-Platform Performance Optimization for TenfloweRS
// Ultra-sophisticated optimization for maximum compatibility across architectures

use std::collections::HashMap;
use std::sync::{Arc, Mutex, RwLock};

/// Ultra-sophisticated cross-platform optimizer
#[allow(dead_code)]
pub struct CrossPlatformOptimizer {
    /// Platform-specific optimizations
    platform_optimizations: HashMap<TargetPlatform, PlatformOptimization>,
    /// Architecture-specific configurations
    arch_configs: HashMap<TargetArchitecture, ArchitectureConfig>,
    /// Runtime optimization strategies
    runtime_strategies: Arc<RwLock<RuntimeOptimizationStrategies>>,
    /// Performance adaptation system
    adaptation_system: Arc<Mutex<PerformanceAdaptationSystem>>,
    /// Cross-platform compatibility matrix
    compatibility_matrix: CompatibilityMatrix,
}

/// Target platforms for optimization
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum TargetPlatform {
    Linux,
    Windows,
    MacOS,
    WebAssembly,
    #[allow(non_camel_case_types)]
    iOS,
    Android,
    FreeBSD,
    Embedded,
}

/// Target architectures for optimization
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum TargetArchitecture {
    X86_64,
    AArch64,
    ARM,
    #[allow(non_camel_case_types)]
    RISC_V,
    WebAssembly32,
    WebAssembly64,
    PowerPC,
    MIPS,
}

/// Platform-specific optimization configuration
#[derive(Debug, Clone)]
pub struct PlatformOptimization {
    pub platform: TargetPlatform,
    pub memory_management: MemoryManagementStrategy,
    pub threading_strategy: ThreadingStrategy,
    pub io_optimization: IoOptimizationStrategy,
    pub system_integration: SystemIntegrationLevel,
    pub performance_hints: Vec<PerformanceHint>,
}

/// Memory management strategies
#[derive(Debug, Clone)]
pub enum MemoryManagementStrategy {
    SystemDefault,
    CustomAllocator,
    MemoryPooling,
    ZeroCopy,
    SharedMemory,
    MemoryMapping,
}

/// Threading strategies for different platforms
#[derive(Debug, Clone)]
pub enum ThreadingStrategy {
    SystemThreads,
    ThreadPool,
    WorkStealing,
    AsyncTasks,
    FiberBased,
    GreenThreads,
}

/// I/O optimization strategies
#[derive(Debug, Clone)]
pub enum IoOptimizationStrategy {
    StandardIO,
    AsyncIO,
    DirectIO,
    MemoryMappedIO,
    VectorizedIO,
    BatchedIO,
}

/// System integration levels
#[derive(Debug, Clone, Copy)]
pub enum SystemIntegrationLevel {
    Minimal,  // Basic compatibility
    Standard, // Platform features
    Deep,     // Native optimizations
    Maximum,  // All platform-specific features
}

/// Performance hints for optimization
#[derive(Debug, Clone)]
pub enum PerformanceHint {
    PreferCacheEfficiency,
    OptimizeForLatency,
    OptimizeForThroughput,
    MinimizeMemoryUsage,
    MaximizeBandwidth,
    BalanceEnergyPerformance,
    OptimizeForMobile,
    OptimizeForServer,
}

/// Architecture-specific configuration
#[derive(Debug, Clone)]
pub struct ArchitectureConfig {
    pub architecture: TargetArchitecture,
    pub simd_capabilities: SimdCapabilities,
    pub cache_optimization: CacheOptimizationConfig,
    pub instruction_scheduling: InstructionSchedulingStrategy,
    pub memory_layout: MemoryLayoutStrategy,
    pub performance_counters: PerformanceCounterConfig,
}

/// SIMD capabilities for different architectures
#[derive(Debug, Clone)]
pub struct SimdCapabilities {
    pub has_sse: bool,
    pub has_sse2: bool,
    pub has_sse3: bool,
    pub has_sse4: bool,
    pub has_avx: bool,
    pub has_avx2: bool,
    pub has_avx512: bool,
    pub has_neon: bool,
    pub has_wasm_simd: bool,
    pub vector_width: usize,
    pub optimal_alignment: usize,
}

/// Cache optimization configuration
#[derive(Debug, Clone)]
pub struct CacheOptimizationConfig {
    pub l1_cache_size_kb: usize,
    pub l2_cache_size_kb: usize,
    pub l3_cache_size_kb: usize,
    pub cache_line_size: usize,
    pub prefetch_strategy: PrefetchStrategy,
    pub data_layout_optimization: DataLayoutOptimization,
}

/// Prefetch strategies
#[derive(Debug, Clone, Copy)]
pub enum PrefetchStrategy {
    None,
    Conservative,
    Aggressive,
    Adaptive,
    Predictive,
}

/// Data layout optimization strategies
#[derive(Debug, Clone, Copy)]
pub enum DataLayoutOptimization {
    StructOfArrays,
    ArrayOfStructs,
    Hybrid,
    Adaptive,
    CacheOptimal,
}

/// Instruction scheduling strategies
#[derive(Debug, Clone, Copy)]
pub enum InstructionSchedulingStrategy {
    InOrder,
    OutOfOrder,
    Superscalar,
    VLIW,
    Adaptive,
}

/// Memory layout strategies
#[derive(Debug, Clone, Copy)]
pub enum MemoryLayoutStrategy {
    Linear,
    Blocked,
    Hierarchical,
    Adaptive,
    #[allow(non_camel_case_types)]
    NUMA_Aware,
}

/// Performance counter configuration
#[derive(Debug, Clone)]
pub struct PerformanceCounterConfig {
    pub enable_cycle_counting: bool,
    pub enable_cache_monitoring: bool,
    pub enable_branch_prediction: bool,
    pub enable_memory_bandwidth: bool,
    pub enable_instruction_analysis: bool,
}

/// Runtime optimization strategies
#[derive(Debug, Clone)]
pub struct RuntimeOptimizationStrategies {
    pub adaptive_algorithms: HashMap<String, AdaptiveAlgorithm>,
    pub performance_profiles: HashMap<String, PerformanceProfile>,
    pub optimization_history: Vec<OptimizationDecision>,
    pub current_strategy: OptimizationStrategy,
}

/// Adaptive algorithm for runtime optimization
#[derive(Debug, Clone)]
pub struct AdaptiveAlgorithm {
    pub algorithm_name: String,
    pub performance_threshold: f64,
    pub adaptation_rate: f64,
    pub fallback_strategy: FallbackStrategy,
    pub optimization_parameters: HashMap<String, f64>,
}

/// Fallback strategies for optimization
#[derive(Debug, Clone, Copy)]
pub enum FallbackStrategy {
    SafeMode,
    PreviousStrategy,
    DefaultStrategy,
    BestKnownStrategy,
}

/// Performance profile for different scenarios
#[derive(Debug, Clone)]
pub struct PerformanceProfile {
    pub profile_name: String,
    pub target_latency_ms: f64,
    pub target_throughput: f64,
    pub memory_budget_mb: f64,
    pub energy_budget_watts: f64,
    pub optimization_priorities: Vec<OptimizationPriority>,
}

/// Optimization priorities
#[derive(Debug, Clone, Copy)]
pub enum OptimizationPriority {
    Speed,
    Memory,
    Energy,
    Compatibility,
    Accuracy,
}

/// Optimization strategy selection
#[derive(Debug, Clone)]
pub enum OptimizationStrategy {
    Conservative,
    Balanced,
    Aggressive,
    Adaptive,
    Custom(String),
}

/// Optimization decision tracking
#[derive(Debug, Clone)]
pub struct OptimizationDecision {
    pub timestamp: std::time::SystemTime,
    pub strategy_applied: OptimizationStrategy,
    pub performance_impact: f64,
    pub success_rate: f64,
    pub conditions: OptimizationConditions,
}

/// Conditions for optimization decisions
#[derive(Debug, Clone)]
pub struct OptimizationConditions {
    pub workload_type: WorkloadType,
    pub system_load: f64,
    pub available_memory: usize,
    pub thermal_state: ThermalState,
    pub power_profile: PowerProfile,
}

/// Workload types for optimization
#[derive(Debug, Clone, Copy)]
pub enum WorkloadType {
    ComputeIntensive,
    MemoryIntensive,
    IOIntensive,
    Balanced,
    Interactive,
    Batch,
}

/// Thermal states for optimization
#[derive(Debug, Clone, Copy)]
pub enum ThermalState {
    Cool,
    Normal,
    Warm,
    Hot,
    Critical,
}

/// Power profiles for optimization
#[derive(Debug, Clone, Copy)]
pub enum PowerProfile {
    PowerSaver,
    Balanced,
    Performance,
    HighPerformance,
}

/// Performance adaptation system
#[allow(dead_code)]
pub struct PerformanceAdaptationSystem {
    /// Current system metrics
    system_metrics: SystemMetrics,
    /// Adaptation history
    adaptation_history: Vec<AdaptationEvent>,
    /// Learning algorithms
    learning_algorithms: HashMap<String, Box<dyn LearningAlgorithm + Send + Sync>>,
    /// Prediction models
    prediction_models: HashMap<String, PredictionModel>,
}

/// System metrics for adaptation
#[derive(Debug, Clone)]
pub struct SystemMetrics {
    pub cpu_utilization: f64,
    pub memory_utilization: f64,
    pub cache_hit_ratio: f64,
    pub thermal_temperature: f64,
    pub power_consumption: f64,
    pub network_bandwidth: f64,
    pub disk_io_rate: f64,
}

/// Adaptation event tracking
#[derive(Debug, Clone)]
pub struct AdaptationEvent {
    pub timestamp: std::time::SystemTime,
    pub trigger: AdaptationTrigger,
    pub action_taken: AdaptationAction,
    pub performance_before: f64,
    pub performance_after: f64,
    pub success: bool,
}

/// Triggers for adaptation
#[derive(Debug, Clone)]
pub enum AdaptationTrigger {
    PerformanceDegradation,
    ResourceConstraint,
    WorkloadChange,
    ThermalThrottling,
    PowerLimitation,
    UserRequest,
}

/// Actions for adaptation
#[derive(Debug, Clone)]
pub enum AdaptationAction {
    AlgorithmSwitch,
    ParameterTuning,
    ResourceReallocation,
    StrategyChange,
    FallbackActivation,
}

/// Learning algorithm trait
pub trait LearningAlgorithm {
    fn learn(&mut self, data: &[f64]) -> Result<(), Box<dyn std::error::Error>>;
    fn predict(&self, input: &[f64]) -> Result<f64, Box<dyn std::error::Error>>;
    fn get_confidence(&self) -> f64;
}

/// Prediction model for performance
#[derive(Debug, Clone)]
pub struct PredictionModel {
    pub model_name: String,
    pub accuracy: f64,
    pub training_data_size: usize,
    pub last_update: std::time::SystemTime,
}

/// Cross-platform compatibility matrix
#[derive(Debug, Clone)]
#[allow(dead_code)]
pub struct CompatibilityMatrix {
    /// Platform compatibility scores
    platform_scores: HashMap<(TargetPlatform, TargetArchitecture), CompatibilityScore>,
    /// Feature availability matrix
    feature_matrix: HashMap<(TargetPlatform, String), FeatureAvailability>,
    /// Performance expectations
    performance_expectations: HashMap<(TargetPlatform, TargetArchitecture), PerformanceExpectation>,
}

/// Compatibility score for platform/architecture combinations
#[derive(Debug, Clone)]
pub struct CompatibilityScore {
    pub overall_score: f64,
    pub feature_coverage: f64,
    pub performance_score: f64,
    pub stability_score: f64,
    pub testing_coverage: f64,
}

/// Feature availability levels
#[derive(Debug, Clone, Copy)]
pub enum FeatureAvailability {
    FullySupported,
    PartiallySupported,
    EmulationRequired,
    NotSupported,
    ExperimentalSupport,
}

/// Performance expectations for platforms
#[derive(Debug, Clone)]
pub struct PerformanceExpectation {
    pub relative_performance: f64, // Relative to reference platform
    pub memory_efficiency: f64,
    pub energy_efficiency: f64,
    pub startup_time_factor: f64,
    pub throughput_factor: f64,
}

impl Default for CrossPlatformOptimizer {
    fn default() -> Self {
        Self::new()
    }
}

impl CrossPlatformOptimizer {
    /// Create sophisticated cross-platform optimizer
    pub fn new() -> Self {
        let mut optimizer = Self {
            platform_optimizations: HashMap::new(),
            arch_configs: HashMap::new(),
            runtime_strategies: Arc::new(RwLock::new(RuntimeOptimizationStrategies::new())),
            adaptation_system: Arc::new(Mutex::new(PerformanceAdaptationSystem::new())),
            compatibility_matrix: CompatibilityMatrix::new(),
        };

        optimizer.initialize_platform_optimizations();
        optimizer.initialize_architecture_configs();
        optimizer
    }

    /// Initialize platform-specific optimizations
    fn initialize_platform_optimizations(&mut self) {
        // Linux optimization
        self.platform_optimizations.insert(
            TargetPlatform::Linux,
            PlatformOptimization {
                platform: TargetPlatform::Linux,
                memory_management: MemoryManagementStrategy::MemoryPooling,
                threading_strategy: ThreadingStrategy::WorkStealing,
                io_optimization: IoOptimizationStrategy::AsyncIO,
                system_integration: SystemIntegrationLevel::Deep,
                performance_hints: vec![
                    PerformanceHint::OptimizeForThroughput,
                    PerformanceHint::PreferCacheEfficiency,
                ],
            },
        );

        // Windows optimization
        self.platform_optimizations.insert(
            TargetPlatform::Windows,
            PlatformOptimization {
                platform: TargetPlatform::Windows,
                memory_management: MemoryManagementStrategy::CustomAllocator,
                threading_strategy: ThreadingStrategy::ThreadPool,
                io_optimization: IoOptimizationStrategy::VectorizedIO,
                system_integration: SystemIntegrationLevel::Standard,
                performance_hints: vec![
                    PerformanceHint::BalanceEnergyPerformance,
                    PerformanceHint::OptimizeForLatency,
                ],
            },
        );

        // macOS optimization
        self.platform_optimizations.insert(
            TargetPlatform::MacOS,
            PlatformOptimization {
                platform: TargetPlatform::MacOS,
                memory_management: MemoryManagementStrategy::ZeroCopy,
                threading_strategy: ThreadingStrategy::AsyncTasks,
                io_optimization: IoOptimizationStrategy::MemoryMappedIO,
                system_integration: SystemIntegrationLevel::Deep,
                performance_hints: vec![
                    PerformanceHint::BalanceEnergyPerformance,
                    PerformanceHint::OptimizeForMobile,
                ],
            },
        );

        // WebAssembly optimization
        self.platform_optimizations.insert(
            TargetPlatform::WebAssembly,
            PlatformOptimization {
                platform: TargetPlatform::WebAssembly,
                memory_management: MemoryManagementStrategy::SystemDefault,
                threading_strategy: ThreadingStrategy::GreenThreads,
                io_optimization: IoOptimizationStrategy::StandardIO,
                system_integration: SystemIntegrationLevel::Minimal,
                performance_hints: vec![
                    PerformanceHint::MinimizeMemoryUsage,
                    PerformanceHint::OptimizeForLatency,
                ],
            },
        );
    }

    /// Initialize architecture-specific configurations
    fn initialize_architecture_configs(&mut self) {
        // x86_64 configuration
        self.arch_configs.insert(
            TargetArchitecture::X86_64,
            ArchitectureConfig {
                architecture: TargetArchitecture::X86_64,
                simd_capabilities: SimdCapabilities {
                    has_sse: true,
                    has_sse2: true,
                    has_sse3: true,
                    has_sse4: true,
                    has_avx: true,
                    has_avx2: true,
                    has_avx512: false, // Conservative default
                    has_neon: false,
                    has_wasm_simd: false,
                    vector_width: 256,
                    optimal_alignment: 32,
                },
                cache_optimization: CacheOptimizationConfig {
                    l1_cache_size_kb: 32,
                    l2_cache_size_kb: 256,
                    l3_cache_size_kb: 8192,
                    cache_line_size: 64,
                    prefetch_strategy: PrefetchStrategy::Aggressive,
                    data_layout_optimization: DataLayoutOptimization::CacheOptimal,
                },
                instruction_scheduling: InstructionSchedulingStrategy::OutOfOrder,
                memory_layout: MemoryLayoutStrategy::NUMA_Aware,
                performance_counters: PerformanceCounterConfig {
                    enable_cycle_counting: true,
                    enable_cache_monitoring: true,
                    enable_branch_prediction: true,
                    enable_memory_bandwidth: true,
                    enable_instruction_analysis: true,
                },
            },
        );

        // AArch64 configuration
        self.arch_configs.insert(
            TargetArchitecture::AArch64,
            ArchitectureConfig {
                architecture: TargetArchitecture::AArch64,
                simd_capabilities: SimdCapabilities {
                    has_sse: false,
                    has_sse2: false,
                    has_sse3: false,
                    has_sse4: false,
                    has_avx: false,
                    has_avx2: false,
                    has_avx512: false,
                    has_neon: true,
                    has_wasm_simd: false,
                    vector_width: 128,
                    optimal_alignment: 16,
                },
                cache_optimization: CacheOptimizationConfig {
                    l1_cache_size_kb: 64,
                    l2_cache_size_kb: 512,
                    l3_cache_size_kb: 4096,
                    cache_line_size: 64,
                    prefetch_strategy: PrefetchStrategy::Conservative,
                    data_layout_optimization: DataLayoutOptimization::Adaptive,
                },
                instruction_scheduling: InstructionSchedulingStrategy::InOrder,
                memory_layout: MemoryLayoutStrategy::Hierarchical,
                performance_counters: PerformanceCounterConfig {
                    enable_cycle_counting: true,
                    enable_cache_monitoring: false,
                    enable_branch_prediction: false,
                    enable_memory_bandwidth: true,
                    enable_instruction_analysis: false,
                },
            },
        );
    }

    /// Get optimal configuration for current platform
    pub fn get_optimal_config(&self) -> OptimalConfiguration {
        let current_platform = self.detect_current_platform();
        let current_arch = self.detect_current_architecture();

        OptimalConfiguration {
            platform: current_platform,
            architecture: current_arch,
            platform_optimization: self.platform_optimizations.get(&current_platform).cloned(),
            arch_config: self.arch_configs.get(&current_arch).cloned(),
            runtime_strategy: self.get_optimal_runtime_strategy(),
            compatibility_score: self.get_compatibility_score(current_platform, current_arch),
        }
    }

    /// Detect current platform
    fn detect_current_platform(&self) -> TargetPlatform {
        #[cfg(target_os = "linux")]
        {
            TargetPlatform::Linux
        }
        #[cfg(target_os = "windows")]
        {
            TargetPlatform::Windows
        }
        #[cfg(target_os = "macos")]
        {
            TargetPlatform::MacOS
        }
        #[cfg(target_arch = "wasm32")]
        {
            TargetPlatform::WebAssembly
        }
        #[cfg(target_os = "ios")]
        {
            TargetPlatform::iOS
        }
        #[cfg(target_os = "android")]
        {
            TargetPlatform::Android
        }
        #[cfg(target_os = "freebsd")]
        {
            TargetPlatform::FreeBSD
        }
        #[cfg(not(any(
            target_os = "linux",
            target_os = "windows",
            target_os = "macos",
            target_arch = "wasm32",
            target_os = "ios",
            target_os = "android",
            target_os = "freebsd"
        )))]
        {
            // Default fallback for unknown platforms
            TargetPlatform::Linux
        }
    }

    /// Detect current architecture
    fn detect_current_architecture(&self) -> TargetArchitecture {
        #[cfg(target_arch = "x86_64")]
        {
            TargetArchitecture::X86_64
        }
        #[cfg(target_arch = "aarch64")]
        {
            TargetArchitecture::AArch64
        }
        #[cfg(target_arch = "arm")]
        {
            TargetArchitecture::ARM
        }
        #[cfg(target_arch = "riscv64")]
        {
            TargetArchitecture::RISC_V
        }
        #[cfg(target_arch = "wasm32")]
        {
            TargetArchitecture::WebAssembly32
        }
        #[cfg(target_arch = "powerpc64")]
        {
            TargetArchitecture::PowerPC
        }
        #[cfg(target_arch = "mips64")]
        {
            TargetArchitecture::MIPS
        }
        #[cfg(not(any(
            target_arch = "x86_64",
            target_arch = "aarch64",
            target_arch = "arm",
            target_arch = "riscv64",
            target_arch = "wasm32",
            target_arch = "powerpc64",
            target_arch = "mips64"
        )))]
        {
            // Default fallback for unknown architectures
            TargetArchitecture::X86_64
        }
    }

    /// Get optimal runtime strategy
    fn get_optimal_runtime_strategy(&self) -> OptimizationStrategy {
        if let Ok(strategies) = self.runtime_strategies.read() {
            strategies.current_strategy.clone()
        } else {
            OptimizationStrategy::Balanced
        }
    }

    /// Get compatibility score for platform/architecture combination
    fn get_compatibility_score(
        &self,
        platform: TargetPlatform,
        arch: TargetArchitecture,
    ) -> CompatibilityScore {
        self.compatibility_matrix
            .platform_scores
            .get(&(platform, arch))
            .cloned()
            .unwrap_or(CompatibilityScore {
                overall_score: 0.8,
                feature_coverage: 0.9,
                performance_score: 0.8,
                stability_score: 0.9,
                testing_coverage: 0.7,
            })
    }

    /// Adapt optimization strategy based on runtime conditions
    pub fn adapt_strategy(&self, conditions: &OptimizationConditions) -> OptimizationStrategy {
        match (
            conditions.workload_type,
            conditions.thermal_state,
            conditions.power_profile,
        ) {
            (WorkloadType::ComputeIntensive, ThermalState::Cool, PowerProfile::HighPerformance) => {
                OptimizationStrategy::Aggressive
            }
            (_, ThermalState::Hot, _) | (_, _, PowerProfile::PowerSaver) => {
                OptimizationStrategy::Conservative
            }
            (WorkloadType::Interactive, _, PowerProfile::Balanced) => {
                OptimizationStrategy::Balanced
            }
            _ => OptimizationStrategy::Adaptive,
        }
    }
}

/// Optimal configuration result
#[derive(Debug, Clone)]
pub struct OptimalConfiguration {
    pub platform: TargetPlatform,
    pub architecture: TargetArchitecture,
    pub platform_optimization: Option<PlatformOptimization>,
    pub arch_config: Option<ArchitectureConfig>,
    pub runtime_strategy: OptimizationStrategy,
    pub compatibility_score: CompatibilityScore,
}

impl Default for RuntimeOptimizationStrategies {
    fn default() -> Self {
        Self::new()
    }
}

impl RuntimeOptimizationStrategies {
    pub fn new() -> Self {
        Self {
            adaptive_algorithms: HashMap::new(),
            performance_profiles: HashMap::new(),
            optimization_history: Vec::new(),
            current_strategy: OptimizationStrategy::Balanced,
        }
    }
}

impl Default for PerformanceAdaptationSystem {
    fn default() -> Self {
        Self::new()
    }
}

impl PerformanceAdaptationSystem {
    pub fn new() -> Self {
        Self {
            system_metrics: SystemMetrics::default(),
            adaptation_history: Vec::new(),
            learning_algorithms: HashMap::new(),
            prediction_models: HashMap::new(),
        }
    }
}

impl Default for SystemMetrics {
    fn default() -> Self {
        Self {
            cpu_utilization: 50.0,
            memory_utilization: 60.0,
            cache_hit_ratio: 0.9,
            thermal_temperature: 45.0,
            power_consumption: 65.0,
            network_bandwidth: 100.0,
            disk_io_rate: 50.0,
        }
    }
}

impl Default for CompatibilityMatrix {
    fn default() -> Self {
        Self::new()
    }
}

impl CompatibilityMatrix {
    pub fn new() -> Self {
        let mut matrix = Self {
            platform_scores: HashMap::new(),
            feature_matrix: HashMap::new(),
            performance_expectations: HashMap::new(),
        };

        matrix.initialize_compatibility_scores();
        matrix
    }

    fn initialize_compatibility_scores(&mut self) {
        // Linux x86_64 - Reference platform
        self.platform_scores.insert(
            (TargetPlatform::Linux, TargetArchitecture::X86_64),
            CompatibilityScore {
                overall_score: 1.0,
                feature_coverage: 1.0,
                performance_score: 1.0,
                stability_score: 1.0,
                testing_coverage: 1.0,
            },
        );

        // macOS AArch64 - High compatibility
        self.platform_scores.insert(
            (TargetPlatform::MacOS, TargetArchitecture::AArch64),
            CompatibilityScore {
                overall_score: 0.95,
                feature_coverage: 0.9,
                performance_score: 1.1,
                stability_score: 0.95,
                testing_coverage: 0.85,
            },
        );

        // WebAssembly - Good compatibility with limitations
        self.platform_scores.insert(
            (
                TargetPlatform::WebAssembly,
                TargetArchitecture::WebAssembly32,
            ),
            CompatibilityScore {
                overall_score: 0.8,
                feature_coverage: 0.7,
                performance_score: 0.6,
                stability_score: 0.9,
                testing_coverage: 0.8,
            },
        );
    }
}

/// Global cross-platform optimizer
static GLOBAL_OPTIMIZER: std::sync::OnceLock<CrossPlatformOptimizer> = std::sync::OnceLock::new();

/// Initialize global cross-platform optimizer
pub fn initialize_cross_platform_optimizer() {
    let optimizer = CrossPlatformOptimizer::new();
    let _ = GLOBAL_OPTIMIZER.set(optimizer);
}

/// Get global cross-platform optimizer
pub fn get_global_optimizer() -> Option<&'static CrossPlatformOptimizer> {
    GLOBAL_OPTIMIZER.get()
}

/// Get optimal configuration for current platform
pub fn get_optimal_configuration() -> OptimalConfiguration {
    if let Some(optimizer) = get_global_optimizer() {
        optimizer.get_optimal_config()
    } else {
        // Fallback configuration
        OptimalConfiguration {
            platform: TargetPlatform::Linux,
            architecture: TargetArchitecture::X86_64,
            platform_optimization: None,
            arch_config: None,
            runtime_strategy: OptimizationStrategy::Balanced,
            compatibility_score: CompatibilityScore {
                overall_score: 0.8,
                feature_coverage: 0.8,
                performance_score: 0.8,
                stability_score: 0.8,
                testing_coverage: 0.8,
            },
        }
    }
}