Shuffle Latency and throughput 对比

instruction                                                latency  1/throughput  

06_2A

VPERM2F128 ymm1, ymm2, ymm3, imm 1 1

VPERMILPD/PS ymm1, ymm2, ymm3 1 1

VSHUFPD/PS ymm1, ymm2, ymm3, imm 1 1

PSHUFB xmm1,xmm2 1 1 1 3 0.5 0.5 1 2

这个不一定，最快 1,0.5 ,2个throuhput

SHUFPD xmm, xmm,imm8,1 1 1 1 1 1 1 1

最快1,1

比整数shuffle慢些

shuffps 

SHUFPS xmm, xmm,imm8,1 1 1 2 1 1 1 1

有些机器上比shuffpd 慢些

INSERTPS xmm1, xmm2, imm 1 1 1 1 1 1

EXTRACTPS xmm1, xmm2, imm 3 2 5 1 1 1

VEXTRACTF128 ymm1, ymm2, imm 1 1            avx