bench1: eq hash-table w/ fixnum keys & values
srfi-69 ...
srfi.69.weak.var ...
srfi.69.weak.fix ...

srfi-69
avg set = 0.4880829 ms avg ref = 0.0918663 ms
srfi.69.weak.var
avg set = 0.587348 ms avg ref = 0.1065033 ms
srfi.69.weak.fix
avg set = 0.671203 ms avg ref = 0.0942324 ms