Benchmark: timing 500 iterations of Way1A, Way2A, Way2B, Way3A, Way4A, Way4B, Way5A, Way5B, Way6A...
     Way1A: 82 wallclock secs ( 0.55 usr +  0.17 sys =  0.72 CPU) @ 693.48/s (n=500)
     Way2A: 48 wallclock secs ( 0.62 usr +  0.10 sys =  0.72 CPU) @ 693.48/s (n=500)
     Way2B: 52 wallclock secs ( 0.57 usr +  0.04 sys =  0.61 CPU) @ 818.33/s (n=500)
     Way3A: 78 wallclock secs ( 0.55 usr +  0.11 sys =  0.66 CPU) @ 756.43/s (n=500)
     Way4A: 52 wallclock secs ( 0.60 usr +  0.05 sys =  0.65 CPU) @ 768.05/s (n=500)
     Way4B: 53 wallclock secs ( 0.61 usr +  0.09 sys =  0.70 CPU) @ 714.29/s (n=500)
     Way5A: 52 wallclock secs ( 0.51 usr +  0.06 sys =  0.57 CPU) @ 874.13/s (n=500)
     Way5B: 45 wallclock secs ( 0.39 usr +  0.09 sys =  0.48 CPU) @ 1039.50/s (n=500)
     Way6A: 70 wallclock secs ( 0.61 usr +  0.15 sys =  0.76 CPU) @ 657.03/s (n=500)
        Rate Way6A Way2A Way1A Way4B Way3A Way4A Way2B Way5A Way5B
Way6A  657/s    --   -5%   -5%   -8%  -13%  -14%  -20%  -25%  -37%
Way2A  693/s    6%    --   -0%   -3%   -8%  -10%  -15%  -21%  -33%
Way1A  693/s    6%    0%    --   -3%   -8%  -10%  -15%  -21%  -33%
Way4B  714/s    9%    3%    3%    --   -6%   -7%  -13%  -18%  -31%
Way3A  756/s   15%    9%    9%    6%    --   -2%   -8%  -13%  -27%
Way4A  768/s   17%   11%   11%    8%    2%    --   -6%  -12%  -26%
Way2B  818/s   25%   18%   18%   15%    8%    7%    --   -6%  -21%
Way5A  874/s   33%   26%   26%   22%   16%   14%    7%    --  -16%
Way5B 1040/s   58%   50%   50%   46%   37%   35%   27%   19%    --

Sybase performance values:

Engine Busy Utilization 
  Engine 0                       34.4 %                                      

Inserts
  APL Heap Table                 20250

Total Lock Requests              4331515