1 2 4 8 12 16 20 24 32  
MutexRWLock                     1125 36406 38985 38703 38609 36125 35781 35047 35125  
ClassicRWLock                   1984 69141 76687 76203 73860 70984 68562 68828 67062  
Nonblocking_Reader_Lock         969 3734 3766 3782 3781 3781 3782 3782 3766  
SG_Lock                         1063 3922 3922 3968 3969 3969 3953 3953 3954  
Simple_Lock                     1047 3734 3750 3766 3765 3766 3766 3765 3765  
Shared_Counter_Lock             1015 3563 3578 3563 3578 3578 3578 3578 3578  
BASELINE_Lock                   516 1765 1781 1781 1782 1781 1781 1782 1782  
  Read Only Overhead 
MutexRWLock                     609 34641 37204 36922 36827 34344 34000 33265 33343
ClassicRWLock                   1468 67376 74906 74422 72078 69203 66781 67046 65280
Nonblocking_Reader_Lock         453 1969 1985 2001 1999 2000 2001 2000 1984
SG_Lock                         547 2157 2141 2187 2187 2188 2172 2171 2172
Simple_Lock                     531 1969 1969 1985 1983 1985 1985 1983 1983
Shared_Counter_Lock             499 1798 1797 1782 1796 1797 1797 1796 1796
BASELINE_Lock                   0 0 0 0 0 0 0 0 0