fix: remove ns benches

Author: not-matthias

examples/google_benchmark_cmake/sleep_bench.hpp

@@ -5,26 +5,26 @@
 #include <chrono>
 #include <thread>
 
-static void BM_sleep_1ns(benchmark::State& state) {
+static void BM_sleep_1us(benchmark::State& state) {
   for (auto _ : state) {
-    std::this_thread::sleep_for(std::chrono::nanoseconds(1));
+    std::this_thread::sleep_for(std::chrono::microseconds(1));
   }
 }
-BENCHMARK(BM_sleep_1ns);
+BENCHMARK(BM_sleep_1us);
 
-static void BM_sleep_100ns(benchmark::State& state) {
+static void BM_sleep_10us(benchmark::State& state) {
   for (auto _ : state) {
-    std::this_thread::sleep_for(std::chrono::nanoseconds(100));
+    std::this_thread::sleep_for(std::chrono::microseconds(10));
   }
 }
-BENCHMARK(BM_sleep_100ns);
+BENCHMARK(BM_sleep_10us);
 
-static void BM_sleep_1us(benchmark::State& state) {
+static void BM_sleep_50us(benchmark::State& state) {
   for (auto _ : state) {
-    std::this_thread::sleep_for(std::chrono::microseconds(1));
+    std::this_thread::sleep_for(std::chrono::microseconds(50));
   }
 }
-BENCHMARK(BM_sleep_1us);
+BENCHMARK(BM_sleep_50us);
 
 static void BM_sleep_100us(benchmark::State& state) {
   for (auto _ : state) {