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首页：https://software.intel.com/sites/landingpage/IntrinsicsGuide/

示例代码含义：记目标字符串中有多少个目标字符。linux代码(例子)如下：#include <iostream>#include <x86intrin.h>#include <fstream>#include <chrono>using namespace std;struct StringView { const char* p; const size_t len;};StringView FileSize(const