testbench(quant): the Round value must be less than (2 ^ qbits)
testbench(quant): the qBits value must be more than or equal to 8
asm: improve quant by replace variant shift to fixed shift, 19k cycles -> 16.6k cycles
asm: avx2 version of quant, improve 16.6k cycles -> 8.4k cycles
search: remove warning from MS compiler