[WIP] 重构样板赛题

cp_template/utils/performance_utils.h

@@ -0,0 +1,114 @@
+#pragma once
+#include <iostream>
+#include <iomanip>
+#include <string>
+
+// ============================================================================
+// 性能计算和显示工具
+// ============================================================================
+
+class PerformanceCalculator {
+public:
+    // ReduceSum性能计算
+    struct ReduceSumMetrics {
+        double throughput_gps;  // G elements/s
+    };
+
+    static ReduceSumMetrics calculateReduceSum(int size, float time_ms) {
+        ReduceSumMetrics metrics;
+        metrics.throughput_gps = (size / 1e9) / (time_ms / 1000.0);
+        return metrics;
+    }
+
+    // SortPair性能计算
+    struct SortPairMetrics {
+        double throughput_gps;  // G elements/s  
+    };
+
+    static SortPairMetrics calculateSortPair(int size, float time_ms) {
+        SortPairMetrics metrics;
+        metrics.throughput_gps = (size / 1e9) / (time_ms / 1000.0);
+        return metrics;
+    }
+
+    // TopkPair性能计算
+    struct TopkPairMetrics {
+        double throughput_gps;  // G elements/s
+    };
+
+    static TopkPairMetrics calculateTopkPair(int size, int k, float time_ms) {
+        TopkPairMetrics metrics;
+        metrics.throughput_gps = (size / 1e9) / (time_ms / 1000.0);
+        return metrics;
+    }
+};
+
+// ============================================================================
+// 性能显示工具
+// ============================================================================
+
+class PerformanceDisplay {
+public:
+    // 显示ReduceSum性能表头
+    static void printReduceSumHeader() {
+        std::cout << "\nReduceSum 性能测试..." << std::endl;
+        std::cout << "数据类型: float -> float" << std::endl;
+        std::cout << "计算公式:" << std::endl;
+        std::cout << "  吞吐量 = 元素数 / 时间(s) / 1e9 (G/s)" << std::endl;
+        std::cout << std::setw(12) << "数据规模" << std::setw(15) << "时间(ms)" 
+                  << std::setw(20) << "吞吐量(G/s)" << std::endl;
+        std::cout << std::string(47, '-') << std::endl;
+    }
+
+    // 显示SortPair性能表头
+    static void printSortPairHeader() {
+        std::cout << "\nSortPair 性能测试..." << std::endl;
+        std::cout << "数据类型: <float, uint32_t>" << std::endl;
+        std::cout << "计算公式:" << std::endl;
+        std::cout << "  吞吐量 = 元素数 / 时间(s) / 1e9 (G/s)" << std::endl;
+        std::cout << std::setw(12) << "数据规模" << std::setw(15) << "升序(ms)" << std::setw(15) << "降序(ms)" 
+                  << std::setw(16) << "升序(G/s)" << std::setw(16) << "降序(G/s)" << std::endl;
+        std::cout << std::string(78, '-') << std::endl;
+    }
+
+    // 显示TopkPair性能表头  
+    static void printTopkPairHeader() {
+        std::cout << "\nTopkPair 性能测试..." << std::endl;
+        std::cout << "数据类型: <float, uint32_t>" << std::endl;
+        std::cout << "计算公式:" << std::endl;
+        std::cout << "  吞吐量 = 元素数 / 时间(s) / 1e9 (G/s)" << std::endl;
+    }
+
+    static void printTopkPairDataHeader() {
+        std::cout << std::setw(8) << "k值" << std::setw(15) << "升序(ms)" << std::setw(15) << "降序(ms)" 
+                  << std::setw(16) << "升序(G/s)" << std::setw(16) << "降序(G/s)" << std::endl;
+        std::cout << std::string(74, '-') << std::endl;
+    }
+
+    // 显示性能数据行
+    static void printReduceSumData(int size, float time_ms, const PerformanceCalculator::ReduceSumMetrics& metrics) {
+        std::cout << std::setw(12) << size << std::setw(15) << std::fixed << std::setprecision(3) 
+                  << time_ms << std::setw(20) << std::setprecision(3) << metrics.throughput_gps << std::endl;
+    }
+
+    static void printSortPairData(int size, float asc_time, float desc_time, 
+                                  const PerformanceCalculator::SortPairMetrics& asc_metrics,
+                                  const PerformanceCalculator::SortPairMetrics& desc_metrics) {
+        std::cout << std::setw(12) << size << std::setw(15) << std::fixed << std::setprecision(3) 
+                  << asc_time << std::setw(15) << desc_time << std::setw(16) << std::setprecision(3) 
+                  << asc_metrics.throughput_gps << std::setw(16) << desc_metrics.throughput_gps << std::endl;
+    }
+
+    static void printTopkPairData(int k, float asc_time, float desc_time,
+                                  const PerformanceCalculator::TopkPairMetrics& asc_metrics,
+                                  const PerformanceCalculator::TopkPairMetrics& desc_metrics) {
+        std::cout << std::setw(8) << k << std::setw(15) << std::fixed << std::setprecision(3) 
+                  << asc_time << std::setw(15) << desc_time << std::setw(16) << std::setprecision(3) 
+                  << asc_metrics.throughput_gps << std::setw(16) << desc_metrics.throughput_gps << std::endl;
+    }
+
+    // 显示性能文件保存消息
+    static void printSavedMessage(const std::string& filename) {
+        std::cout << "\n性能结果已保存到: " << filename << std::endl;
+    }
+};