| 104 | } |
| 105 | |
| 106 | static long start_perf_test_with_adder(size_t num_thread) { |
| 107 | bvar::Adder<uint64_t> reducer; |
| 108 | EXPECT_TRUE(reducer.valid()); |
| 109 | pthread_t threads[num_thread]; |
| 110 | for (size_t i = 0; i < num_thread; ++i) { |
| 111 | pthread_create(&threads[i], NULL, &thread_counter, (void *)&reducer); |
| 112 | } |
| 113 | long totol_time = 0; |
| 114 | for (size_t i = 0; i < num_thread; ++i) { |
| 115 | void *ret = NULL; |
| 116 | pthread_join(threads[i], &ret); |
| 117 | totol_time += (long)ret; |
| 118 | } |
| 119 | long avg_time = totol_time / (OPS_PER_THREAD * num_thread); |
| 120 | EXPECT_EQ(2ul * num_thread * OPS_PER_THREAD, reducer.get_value()); |
| 121 | return avg_time; |
| 122 | } |
| 123 | |
| 124 | TEST_F(ReducerTest, perf) { |
| 125 | std::ostringstream oss; |