From 63cda215717fdf4b207d6f71978078074ca119a9 Mon Sep 17 00:00:00 2001
From: guanjihuan <guanjihuan@163.com>
Date: Sat, 11 Oct 2025 14:05:37 +0800
Subject: [PATCH] update

---
 .../guan_cpp_project/pyproject.toml           |  0
 .../guan_cpp_project/setup.py                 |  0
 .../guan_cpp_project/src/cpp/main.cpp         |  0
 .../guan_cpp_project/src/guan_cpp/__init__.py |  0
 .../a.cpp                                     | 35 +++++++++++++++++++
 .../a.py                                      | 22 ++++++++++++
 6 files changed, 57 insertions(+)
 rename {2026.10.10_cpp_python_uploaded_to_pypi => 2025.10.10_cpp_python_uploaded_to_pypi}/guan_cpp_project/pyproject.toml (100%)
 rename {2026.10.10_cpp_python_uploaded_to_pypi => 2025.10.10_cpp_python_uploaded_to_pypi}/guan_cpp_project/setup.py (100%)
 rename {2026.10.10_cpp_python_uploaded_to_pypi => 2025.10.10_cpp_python_uploaded_to_pypi}/guan_cpp_project/src/cpp/main.cpp (100%)
 rename {2026.10.10_cpp_python_uploaded_to_pypi => 2025.10.10_cpp_python_uploaded_to_pypi}/guan_cpp_project/src/guan_cpp/__init__.py (100%)
 create mode 100644 2025.10.11_time_test_of_openblas_eigen_numpy/a.cpp
 create mode 100644 2025.10.11_time_test_of_openblas_eigen_numpy/a.py

diff --git a/2026.10.10_cpp_python_uploaded_to_pypi/guan_cpp_project/pyproject.toml b/2025.10.10_cpp_python_uploaded_to_pypi/guan_cpp_project/pyproject.toml
similarity index 100%
rename from 2026.10.10_cpp_python_uploaded_to_pypi/guan_cpp_project/pyproject.toml
rename to 2025.10.10_cpp_python_uploaded_to_pypi/guan_cpp_project/pyproject.toml
diff --git a/2026.10.10_cpp_python_uploaded_to_pypi/guan_cpp_project/setup.py b/2025.10.10_cpp_python_uploaded_to_pypi/guan_cpp_project/setup.py
similarity index 100%
rename from 2026.10.10_cpp_python_uploaded_to_pypi/guan_cpp_project/setup.py
rename to 2025.10.10_cpp_python_uploaded_to_pypi/guan_cpp_project/setup.py
diff --git a/2026.10.10_cpp_python_uploaded_to_pypi/guan_cpp_project/src/cpp/main.cpp b/2025.10.10_cpp_python_uploaded_to_pypi/guan_cpp_project/src/cpp/main.cpp
similarity index 100%
rename from 2026.10.10_cpp_python_uploaded_to_pypi/guan_cpp_project/src/cpp/main.cpp
rename to 2025.10.10_cpp_python_uploaded_to_pypi/guan_cpp_project/src/cpp/main.cpp
diff --git a/2026.10.10_cpp_python_uploaded_to_pypi/guan_cpp_project/src/guan_cpp/__init__.py b/2025.10.10_cpp_python_uploaded_to_pypi/guan_cpp_project/src/guan_cpp/__init__.py
similarity index 100%
rename from 2026.10.10_cpp_python_uploaded_to_pypi/guan_cpp_project/src/guan_cpp/__init__.py
rename to 2025.10.10_cpp_python_uploaded_to_pypi/guan_cpp_project/src/guan_cpp/__init__.py
diff --git a/2025.10.11_time_test_of_openblas_eigen_numpy/a.cpp b/2025.10.11_time_test_of_openblas_eigen_numpy/a.cpp
new file mode 100644
index 0000000..fdbc0c0
--- /dev/null
+++ b/2025.10.11_time_test_of_openblas_eigen_numpy/a.cpp
@@ -0,0 +1,35 @@
+#define EIGEN_USE_BLAS  // 注释或取消注释来测试
+#include <iostream>
+#include <chrono>
+#include <vector>
+#include <iomanip> 
+#include <Eigen/Dense>
+
+int main() {
+    std::vector<int> sizes = {100, 200, 300, 500, 1000, 2000, 3000, 5000};  // 要测试的不同矩阵大小 
+    const int trials = 3;  // 每个尺寸的测试次数
+
+    for (int size : sizes) {
+        std::cout << "Testing size: " << size << "x" << size << std::endl;
+        
+        Eigen::MatrixXd A = Eigen::MatrixXd::Random(size, size);
+        A = A.transpose() * A + Eigen::MatrixXd::Identity(size, size);  // 确保矩阵可逆
+
+        auto start = std::chrono::high_resolution_clock::now();
+        
+        for (int i = 0; i < trials; ++i) {
+            Eigen::MatrixXd A_inv = A.inverse();
+        }
+        
+        auto end = std::chrono::high_resolution_clock::now();
+        auto duration = std::chrono::duration_cast<std::chrono::milliseconds>(end - start);
+        
+        std::cout << "Average time per inversion: " 
+                  << std::fixed << std::setprecision(3) 
+                  << (static_cast<double>(duration.count()) / 1000 / trials) 
+                  << " s" << std::endl;
+        std::cout << "----------------------------------" << std::endl;
+    }
+
+    return 0;
+}
\ No newline at end of file
diff --git a/2025.10.11_time_test_of_openblas_eigen_numpy/a.py b/2025.10.11_time_test_of_openblas_eigen_numpy/a.py
new file mode 100644
index 0000000..1ca09a9
--- /dev/null
+++ b/2025.10.11_time_test_of_openblas_eigen_numpy/a.py
@@ -0,0 +1,22 @@
+import numpy as np
+import time
+
+sizes = [100, 200, 300, 500, 1000, 2000, 3000, 5000]
+trials = 3
+
+for size in sizes:
+    print(f"Testing size: {size}x{size}")
+    
+    A = np.random.rand(size, size)
+    A = A.T @ A + np.eye(size)
+    
+    start = time.time()
+    
+    for _ in range(trials):
+        A_inv = np.linalg.inv(A)
+    
+    end = time.time()
+    duration = end - start
+    
+    print(f"Average time per inversion: {duration/trials:.3f} s")
+    print("----------------------------------")
\ No newline at end of file