optirs_core/benchmarking/
cross_platform_tester.rs

1// Cross-platform performance testing and benchmarking
2//
3// This module provides cross-platform performance testing capabilities
4// for optimization algorithms across different hardware targets.
5
6use std::collections::HashMap;
7use std::fmt::Debug;
8use std::time::{Duration, Instant};
9
10// SciRS2 Integration - ESSENTIAL for benchmarking
11#[cfg(feature = "cross-platform-testing")]
12use scirs2_datasets;
13use scirs2_metrics::evaluation;
14use scirs2_stats::distributions;
15
16use crate::error::{OptimError, Result};
17
18/// Platform target for cross-platform testing
19#[derive(Debug, Clone, PartialEq, Eq, Hash)]
20pub enum PlatformTarget {
21    /// CPU-based execution
22    CPU,
23    /// CUDA GPU
24    CUDA,
25    /// Metal GPU (macOS)
26    Metal,
27    /// OpenCL GPU
28    OpenCL,
29    /// WebGPU
30    WebGPU,
31    /// TPU
32    TPU,
33    /// Custom platform
34    Custom(String),
35}
36
37/// Performance baseline for comparison
38#[derive(Debug, Clone)]
39pub struct PerformanceBaseline {
40    pub target: PlatformTarget,
41    pub throughput_ops_per_sec: f64,
42    pub latency_ms: f64,
43    pub memory_usage_mb: f64,
44    pub energy_consumption_joules: Option<f64>,
45    pub accuracy_metrics: HashMap<String, f64>,
46}
47
48impl PerformanceBaseline {
49    pub fn new(target: PlatformTarget) -> Self {
50        Self {
51            target,
52            throughput_ops_per_sec: 0.0,
53            latency_ms: 0.0,
54            memory_usage_mb: 0.0,
55            energy_consumption_joules: None,
56            accuracy_metrics: HashMap::new(),
57        }
58    }
59
60    pub fn with_throughput(mut self, ops_per_sec: f64) -> Self {
61        self.throughput_ops_per_sec = ops_per_sec;
62        self
63    }
64
65    pub fn with_latency(mut self, latency_ms: f64) -> Self {
66        self.latency_ms = latency_ms;
67        self
68    }
69
70    pub fn with_memory_usage(mut self, memory_mb: f64) -> Self {
71        self.memory_usage_mb = memory_mb;
72        self
73    }
74}
75
76/// Cross-platform performance tester
77#[derive(Debug)]
78pub struct CrossPlatformTester {
79    baselines: HashMap<PlatformTarget, PerformanceBaseline>,
80    test_configurations: HashMap<String, TestConfiguration>,
81}
82
83/// Test configuration for benchmarking
84#[derive(Debug, Clone)]
85pub struct TestConfiguration {
86    pub name: String,
87    pub iterations: usize,
88    pub warmup_iterations: usize,
89    pub data_size: usize,
90    pub timeout: Duration,
91}
92
93impl CrossPlatformTester {
94    pub fn new() -> Self {
95        Self {
96            baselines: HashMap::new(),
97            test_configurations: HashMap::new(),
98        }
99    }
100
101    pub fn add_baseline(&mut self, baseline: PerformanceBaseline) {
102        self.baselines.insert(baseline.target.clone(), baseline);
103    }
104
105    pub fn add_test_config(&mut self, config: TestConfiguration) {
106        self.test_configurations.insert(config.name.clone(), config);
107    }
108
109    pub fn run_benchmark(
110        &self,
111        target: &PlatformTarget,
112        test_name: &str,
113    ) -> Result<PerformanceBaseline> {
114        let config = self.test_configurations.get(test_name).ok_or_else(|| {
115            OptimError::InvalidConfig(format!("Test configuration '{}' not found", test_name))
116        })?;
117
118        // Run benchmark (simplified implementation)
119        let start = Instant::now();
120
121        // Simulate benchmark execution
122        std::thread::sleep(Duration::from_millis(1));
123
124        let duration = start.elapsed();
125        let throughput = config.iterations as f64 / duration.as_secs_f64();
126
127        Ok(PerformanceBaseline::new(target.clone())
128            .with_throughput(throughput)
129            .with_latency(duration.as_millis() as f64 / config.iterations as f64))
130    }
131
132    pub fn compare_performance(
133        &self,
134        target1: &PlatformTarget,
135        target2: &PlatformTarget,
136    ) -> Result<f64> {
137        let baseline1 = self.baselines.get(target1).ok_or_else(|| {
138            OptimError::InvalidConfig("Baseline for target1 not found".to_string())
139        })?;
140        let baseline2 = self.baselines.get(target2).ok_or_else(|| {
141            OptimError::InvalidConfig("Baseline for target2 not found".to_string())
142        })?;
143
144        Ok(baseline1.throughput_ops_per_sec / baseline2.throughput_ops_per_sec)
145    }
146}
147
148impl Default for CrossPlatformTester {
149    fn default() -> Self {
150        Self::new()
151    }
152}
optirs_core/benchmarking/cross_platform_tester.rs

optirs_core/benchmarking/
cross_platform_tester.rs
