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

optirs_core/benchmarking/
cross_platform_tester.rs
