Fixes

src/tensor/main.cpp

@@ -7,16 +7,33 @@ OpenCL openCL;
 #include "cpu/tensor.hpp"
 #endif
 
+#include <chrono>
+#include <functional>
 #include <iostream>
 
 // TODO: TMult >2
 
+class Profiler {
+public:
+  static void measure(const std::string &operation, std::function<void()> op) {
+    auto start = std::chrono::high_resolution_clock::now();
+    op();
+    auto end = std::chrono::high_resolution_clock::now();
+    auto duration =
+        std::chrono::duration_cast<std::chrono::microseconds>(end - start);
+    std::cout << operation << ": " << duration.count() << " μs\n";
+  }
+};
+
 int main() {
 #ifdef USE_OPENCL
   openCL.init("./");
 #endif
 
-  Tensor<float, 2> a = Tensor<float, 2>({32, 32}, 2);
+  Tensor<float, 2> a = Tensor<float, 2>({4096 * 2, 4096 * 2}, 1);
+  Tensor<float, 2> b = Tensor<float, 2>({4096 * 2, 4096 * 2}, 1);
+
+  Profiler::measure("Matrix multiplication", [&]() { auto result = a % b; });
   std::cout << a.toString();
   return 0;
 }