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implemented [c]visit_(until|while)

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joaquintides
2023-07-21 18:16:28 +02:00
parent bd24dfd284
commit bee4ed2e5f
2 changed files with 258 additions and 13 deletions
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100
include/boost/unordered/concurrent_flat_map.hpp
View File

@ -355,6 +355,106 @@ namespace boost {
}
#endif
template <class F> bool visit_until(F f)
{
BOOST_UNORDERED_STATIC_ASSERT_INVOCABLE(F)
return table_.visit_until(f);
}
template <class F> bool visit_until(F f) const
{
BOOST_UNORDERED_STATIC_ASSERT_CONST_INVOCABLE(F)
return table_.visit_until(f);
}
template <class F> bool cvisit_until(F f) const
{
BOOST_UNORDERED_STATIC_ASSERT_CONST_INVOCABLE(F)
return table_.cvisit_until(f);
}
#if defined(BOOST_UNORDERED_PARALLEL_ALGORITHMS)
template <class ExecPolicy, class F>
typename std::enable_if<detail::is_execution_policy<ExecPolicy>::value,
bool>::type
visit_until(ExecPolicy&& p, F f)
{
BOOST_UNORDERED_STATIC_ASSERT_INVOCABLE(F)
BOOST_UNORDERED_STATIC_ASSERT_EXEC_POLICY(ExecPolicy)
return table_.visit_until(p, f);
}
template <class ExecPolicy, class F>
typename std::enable_if<detail::is_execution_policy<ExecPolicy>::value,
bool>::type
visit_until(ExecPolicy&& p, F f) const
{
BOOST_UNORDERED_STATIC_ASSERT_CONST_INVOCABLE(F)
BOOST_UNORDERED_STATIC_ASSERT_EXEC_POLICY(ExecPolicy)
return table_.visit_until(p, f);
}
template <class ExecPolicy, class F>
typename std::enable_if<detail::is_execution_policy<ExecPolicy>::value,
bool>::type
cvisit_until(ExecPolicy&& p, F f) const
{
BOOST_UNORDERED_STATIC_ASSERT_CONST_INVOCABLE(F)
BOOST_UNORDERED_STATIC_ASSERT_EXEC_POLICY(ExecPolicy)
return table_.cvisit_until(p, f);
}
#endif
template <class F> bool visit_while(F f)
{
BOOST_UNORDERED_STATIC_ASSERT_INVOCABLE(F)
return table_.visit_while(f);
}
template <class F> bool visit_while(F f) const
{
BOOST_UNORDERED_STATIC_ASSERT_CONST_INVOCABLE(F)
return table_.visit_while(f);
}
template <class F> bool cvisit_while(F f) const
{
BOOST_UNORDERED_STATIC_ASSERT_CONST_INVOCABLE(F)
return table_.cvisit_while(f);
}
#if defined(BOOST_UNORDERED_PARALLEL_ALGORITHMS)
template <class ExecPolicy, class F>
typename std::enable_if<detail::is_execution_policy<ExecPolicy>::value,
bool>::type
visit_while(ExecPolicy&& p, F f)
{
BOOST_UNORDERED_STATIC_ASSERT_INVOCABLE(F)
BOOST_UNORDERED_STATIC_ASSERT_EXEC_POLICY(ExecPolicy)
return table_.visit_while(p, f);
}
template <class ExecPolicy, class F>
typename std::enable_if<detail::is_execution_policy<ExecPolicy>::value,
bool>::type
visit_while(ExecPolicy&& p, F f) const
{
BOOST_UNORDERED_STATIC_ASSERT_CONST_INVOCABLE(F)
BOOST_UNORDERED_STATIC_ASSERT_EXEC_POLICY(ExecPolicy)
return table_.visit_while(p, f);
}
template <class ExecPolicy, class F>
typename std::enable_if<detail::is_execution_policy<ExecPolicy>::value,
bool>::type
cvisit_while(ExecPolicy&& p, F f) const
{
BOOST_UNORDERED_STATIC_ASSERT_CONST_INVOCABLE(F)
BOOST_UNORDERED_STATIC_ASSERT_EXEC_POLICY(ExecPolicy)
return table_.cvisit_while(p, f);
}
#endif
/// Modifiers
///

171
include/boost/unordered/detail/foa/concurrent_table.hpp
View File

@ -539,6 +539,86 @@ public:
}
#endif
template<typename F> bool visit_until(F&& f)
{
return !visit_while([&](value_type& x){return !f(x);});
}
template<typename F> bool visit_until(F&& f)const
{
return !visit_while([&](const value_type& x){return !f(x);});
}
template<typename F> bool cvisit_until(F&& f)const
{
return visit_while(std::forward<F>(f));
}
#if defined(BOOST_UNORDERED_PARALLEL_ALGORITHMS)
template<typename ExecutionPolicy,typename F>
bool visit_until(ExecutionPolicy&& policy,F&& f)
{
return !visit_while(
std::forward<ExecutionPolicy>(policy),
[&](value_type& x){return !f(x);});
}
template<typename ExecutionPolicy,typename F>
bool visit_until(ExecutionPolicy&& policy,F&& f)const
{
return !visit_while(
std::forward<ExecutionPolicy>(policy),
[&](const value_type& x){return !f(x);});
}
template<typename ExecutionPolicy,typename F>
bool cvisit_until(ExecutionPolicy&& policy,F&& f)const
{
return visit_until(
std::forward<ExecutionPolicy>(policy),std::forward<F>(f));
}
#endif
template<typename F> bool visit_while(F&& f)
{
return visit_while_impl(group_exclusive{},std::forward<F>(f));
}
template<typename F> bool visit_while(F&& f)const
{
return visit_while_impl(group_shared{},std::forward<F>(f));
}
template<typename F> bool cvisit_while(F&& f)const
{
return visit_while(std::forward<F>(f));
}
#if defined(BOOST_UNORDERED_PARALLEL_ALGORITHMS)
template<typename ExecutionPolicy,typename F>
bool visit_while(ExecutionPolicy&& policy,F&& f)
{
return visit_while_impl(
group_exclusive{},
std::forward<ExecutionPolicy>(policy),std::forward<F>(f));
}
template<typename ExecutionPolicy,typename F>
bool visit_while(ExecutionPolicy&& policy,F&& f)const
{
return visit_while_impl(
group_shared{},
std::forward<ExecutionPolicy>(policy),std::forward<F>(f));
}
template<typename ExecutionPolicy,typename F>
bool cvisit_while(ExecutionPolicy&& policy,F&& f)const
{
return visit_while(
std::forward<ExecutionPolicy>(policy),std::forward<F>(f));
}
#endif
bool empty()const noexcept{return size()==0;}
std::size_t size()const noexcept
@ -970,6 +1050,29 @@ private:
}
#endif
template<typename GroupAccessMode,typename F>
bool visit_while_impl(GroupAccessMode access_mode,F&& f)const
{
auto lck=shared_access();
return for_all_elements_while(access_mode,[&](element_type* p){
return f(cast_for(access_mode,type_policy::value_from(*p)));
});
}
#if defined(BOOST_UNORDERED_PARALLEL_ALGORITHMS)
template<typename GroupAccessMode,typename ExecutionPolicy,typename F>
bool visit_while_impl(
GroupAccessMode access_mode,ExecutionPolicy&& policy,F&& f)const
{
auto lck=shared_access();
return for_all_elements_while(
access_mode,std::forward<ExecutionPolicy>(policy),
[&](element_type* p){
return f(cast_for(access_mode,type_policy::value_from(*p)));
});
}
#endif
template<typename GroupAccessMode,typename Key,typename F>
BOOST_FORCEINLINE std::size_t unprotected_visit(
GroupAccessMode access_mode,
@ -1253,19 +1356,38 @@ private:
template<typename GroupAccessMode,typename F>
auto for_all_elements(GroupAccessMode access_mode,F f)const
->decltype(f(nullptr,0,nullptr),void())
{
for_all_elements_while(
access_mode,[&](group_type* pg,unsigned int n,element_type* p)
{f(pg,n,p);return true;});
}
template<typename GroupAccessMode,typename F>
auto for_all_elements_while(GroupAccessMode access_mode,F f)const
->decltype(f(nullptr),bool())
{
return for_all_elements_while(
access_mode,[&](group_type*,unsigned int,element_type* p){return f(p);});
}
template<typename GroupAccessMode,typename F>
auto for_all_elements_while(GroupAccessMode access_mode,F f)const
->decltype(f(nullptr,0,nullptr),bool())
{
auto p=this->arrays.elements;
if(!p)return;
for(auto pg=this->arrays.groups,last=pg+this->arrays.groups_size_mask+1;
pg!=last;++pg,p+=N){
auto lck=access(access_mode,(std::size_t)(pg-this->arrays.groups));
auto mask=this->match_really_occupied(pg,last);
while(mask){
auto n=unchecked_countr_zero(mask);
f(pg,n,p+n);
mask&=mask-1;
if(p){
for(auto pg=this->arrays.groups,last=pg+this->arrays.groups_size_mask+1;
pg!=last;++pg,p+=N){
auto lck=access(access_mode,(std::size_t)(pg-this->arrays.groups));
auto mask=this->match_really_occupied(pg,last);
while(mask){
auto n=unchecked_countr_zero(mask);
if(!f(pg,n,p+n))return false;
mask&=mask-1;
}
}
}
return true;
}
#if defined(BOOST_UNORDERED_PARALLEL_ALGORITHMS)
@ -1289,10 +1411,10 @@ private:
last=first+this->arrays.groups_size_mask+1;
std::for_each(std::forward<ExecutionPolicy>(policy),first,last,
[&,this](group_type& g){
std::size_t pos=static_cast<std::size_t>(&g-first);
auto p=this->arrays.elements+pos*N;
auto lck=access(access_mode,pos);
auto mask=this->match_really_occupied(&g,last);
auto pos=static_cast<std::size_t>(&g-first);
auto p=this->arrays.elements+pos*N;
auto lck=access(access_mode,pos);
auto mask=this->match_really_occupied(&g,last);
while(mask){
auto n=unchecked_countr_zero(mask);
f(&g,n,p+n);
@ -1301,6 +1423,29 @@ private:
}
);
}
template<typename GroupAccessMode,typename ExecutionPolicy,typename F>
bool for_all_elements_while(
GroupAccessMode access_mode,ExecutionPolicy&& policy,F f)const
{
if(!this->arrays.elements)return true;
auto first=this->arrays.groups,
last=first+this->arrays.groups_size_mask+1;
return std::all_of(std::forward<ExecutionPolicy>(policy),first,last,
[&,this](group_type& g){
auto pos=static_cast<std::size_t>(&g-first);
auto p=this->arrays.elements+pos*N;
auto lck=access(access_mode,pos);
auto mask=this->match_really_occupied(&g,last);
while(mask){
auto n=unchecked_countr_zero(mask);
if(!f(p+n))return false;
mask&=mask-1;
}
return true;
}
);
}
#endif
static std::atomic<std::size_t> thread_counter;