============================================================================
folly/test/ThreadLocalBenchmark.cpp relative time/iter iters/s
============================================================================
-BM_mt_tlp 2.30ns 434.53M
-BM_mt_pthread_get_specific 2.69ns 371.75M
-BM_mt_boost_tsp 11.66ns 85.78M
+BM_mt_tlp 1.92ns 520.02M
+BM_mt_pthread_get_specific 2.69ns 372.15M
+BM_mt_boost_tsp 11.81ns 84.67M
----------------------------------------------------------------------------
-BM_mt_tlp_multi 12.46ns 80.25M
-BM_mt_pthread_get_specific_multi 16.58ns 60.32M
-BM_mt_boost_tsp_multi 70.85ns 14.12M
+BM_mt_tlp_multi 7.53ns 132.79M
+BM_mt_pthread_get_specific_multi 15.80ns 63.29M
+BM_mt_boost_tsp_multi 71.70ns 13.95M
----------------------------------------------------------------------------
============================================================================
*/