Function GetRandomSeed

paddle/phi/core/generator.cc:27–31

#include "paddle/phi/core/enforce.h"

static uint64_t GetRandomSeed() {
  std::random_device rd;
  // double has 53 bit significant, so limit uint64 to 53 bits
  return ((((uint64_t)rd()) << 32) + rd()) & 0x1FFFFFFFFFFFFF;
}

namespace phi {