boost/boost_unordered_benchmarks
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used acquire/release memory model

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This commit is contained in:
joaquintides
2023-01-20 13:01:48 +01:00
parent 3da02f64e2
commit 845d5341c7
1 changed files with 3 additions and 2 deletions
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5
cfoa.hpp
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@@ -218,7 +218,7 @@ struct group15
inline void set(std::size_t pos,std::size_t hash)
{
BOOST_ASSERT(pos<N);
at(pos)=reduced_hash(hash);
at(pos).store(reduced_hash(hash),std::memory_order_release);
}
inline void reset(std::size_t pos)
@@ -234,6 +234,7 @@ struct group15
inline int match(std::size_t hash)const
{
std::atomic_thread_fence(std::memory_order_acquire);
auto w=_mm_load_si128(reinterpret_cast<const __m128i*>(m));
return
_mm_movemask_epi8(_mm_cmpeq_epi8(w,_mm_set1_epi32(match_word(hash))))&0x7FFF;
@@ -1962,7 +1963,7 @@ private:
do{
auto n=unchecked_countr_zero(mask);
if(
pg->at(n)!=0&&
pg->at(n).load(std::memory_order_acquire )!=0&&
BOOST_LIKELY(bool(pred()(x,key_from(p[n]))))){
f(p[n]);
return true;