centralized performance resources

ocw/profiling/time_the_clock.cc

@@ -0,0 +1,24 @@
+#include <chrono>
+#include <iostream>
+#include <print>
+
+using namespace std;
+
+constexpr static size_t TRIALS = 100000;
+
+
+int main() {
+  chrono::microseconds diffs_ms{0};
+  for (size_t loop_var = 1; loop_var <= TRIALS; ++loop_var) {
+    auto t1 = chrono::high_resolution_clock::now();
+    auto t2 = chrono::high_resolution_clock::now();
+    diffs_ms += chrono::duration_cast<chrono::microseconds>(t2 - t1);
+  }
+
+  print("measuring the clock in c++ 23 {} trials had an average time duration "
+        "of: {} microseconds, or {} milliseconds",
+        TRIALS, diffs_ms / TRIALS,
+        chrono::duration_cast<chrono::milliseconds>(diffs_ms / TRIALS));
+
+  return 0;
+}