clflush (cache line flush)

created : Tue, 02 Jun 2020 19:15:07 +0900

modified : Tue, 02 Jun 2020 19:40:31 +0900

Front Page

출처

https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_clflush&expand=678,679

내용

void _mm_clflush (void const* p)
#include <emmintrin.h>
Instruction: clflush m8
CPUID Flags: SSE2

void _mm_clflushopt (void const * p)
#include <immintrin.h>
Instruction: clflushopt m8
CPUID Flags: CLFLUSHOPT

clflush vs clflushopt
출처 : https://software.intel.com/en-us/forums/software-tuning-performance-optimization-platform-monitoring/topic/712498
clflushopt : clflush optimization