cpu_avx512_knl.c 281 B

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  1. #include <immintrin.h>
  2. int main(void)
  3. {
  4. int base[128];
  5. /* ER */
  6. __m512i a = _mm512_castpd_si512(_mm512_exp2a23_pd(_mm512_setzero_pd()));
  7. /* PF */
  8. _mm512_mask_prefetch_i64scatter_pd(base, _mm512_cmpeq_epi64_mask(a, a), a, 1, _MM_HINT_T1);
  9. return base[0];
  10. }