buffer: optimize writing short strings
09:54:54 confidence improvement accuracy (*) (**) (***)
09:54:54 buffers/buffer-write-string.js n=1000000 len=0 args='' encoding='' *** 562.28 % ±2.36% ±3.17% ±4.18%
09:54:54 buffers/buffer-write-string.js n=1000000 len=1 args='' encoding='' *** 549.74 % ±3.34% ±4.46% ±5.83%
09:54:54 buffers/buffer-write-string.js n=1000000 len=16 args='' encoding='' *** 35.43 % ±2.85% ±3.81% ±4.97%
09:54:54 buffers/buffer-write-string.js n=1000000 len=32 args='' encoding='' ** -2.57 % ±1.79% ±2.38% ±3.11%
09:54:54 buffers/buffer-write-string.js n=1000000 len=8 args='' encoding='' *** 209.32 % ±4.42% ±5.93% ±7.84%