https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_stream_si128&expand=5665 movntdq意味着不经过CPU缓存 ``` void _mm_stream_si128 (__m128i* mem_addr, __m128i a) Synopsis void _mm_stream_si128 (__m128i* mem_addr, __m128i a) #include <emmintrin.h> Instruction: movntdq m128, xmm CPUID Flags: SSE2 Description Store 128-bits of integer data from a into memory using a non-temporal memory hint. mem_addr must be aligned on a 16-byte boundary or a general-protection exception may be generated. Operation MEM[mem_addr+127:mem_addr] := a[127:0] ```