本文整理汇总了C++中hwloc_topology::get_pu_number方法的典型用法代码示例。如果您正苦于以下问题：C++ hwloc_topology::get_pu_number方法的具体用法？C++ hwloc_topology::get_pu_number怎么用？C++ hwloc_topology::get_pu_number使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类hwloc_topology的用法示例。
在下文中一共展示了hwloc_topology::get_pu_number方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: decode_scatter_distribution
void decode_scatter_distribution(hwloc_topology& t,
std::vector<mask_type>& affinities,
std::size_t used_cores, std::size_t max_cores,
std::vector<std::size_t>& num_pus, error_code& ec)
{
std::size_t num_threads = affinities.size();
std::size_t num_cores = (std::min)(max_cores, t.get_number_of_cores());
std::vector<std::size_t> num_pus_cores(num_cores, 0);
num_pus.resize(num_threads);
for (std::size_t num_thread = 0; num_thread != num_threads; /**/)
{
for(std::size_t num_core = 0; num_core != num_cores; ++num_core)
{
if (any(affinities[num_thread]))
{
HPX_THROWS_IF(ec, bad_parameter, "decode_scatter_distribution",
boost::str(boost::format("affinity mask for thread %1% has "
"already been set") % num_thread));
return;
}
num_pus[num_thread] = t.get_pu_number(num_core + used_cores,
num_pus_cores[num_core]);
affinities[num_thread] = t.init_thread_affinity_mask(
num_core + used_cores, num_pus_cores[num_core]++);
if(++num_thread == num_threads)
return;
}
}
}示例2: decode_balanced_distribution
void decode_balanced_distribution(hwloc_topology& t,
std::vector<mask_type>& affinities,
std::size_t used_cores, std::size_t max_cores,
std::vector<std::size_t>& num_pus, error_code& ec)
{
std::size_t num_threads = affinities.size();
std::size_t num_cores = (std::min)(max_cores, t.get_number_of_cores());
std::vector<std::size_t> num_pus_cores(num_cores, 0);
num_pus.resize(num_threads);
// At first, calculate the number of used pus per core.
// This needs to be done to make sure that we occupy all the available
// cores
for (std::size_t num_thread = 0; num_thread != num_threads; /**/)
{
for(std::size_t num_core = 0; num_core != num_cores; ++num_core)
{
num_pus_cores[num_core]++;
if(++num_thread == num_threads)
break;
}
}
// Iterate over the cores and assigned pus per core. this additional
// loop is needed so that we have consecutive worker thread numbers
std::size_t num_thread = 0;
for(std::size_t num_core = 0; num_core != num_cores; ++num_core)
{
for(std::size_t num_pu = 0; num_pu != num_pus_cores[num_core]; ++num_pu)
{
if (any(affinities[num_thread]))
{
HPX_THROWS_IF(ec, bad_parameter,
"decode_balanced_distribution",
boost::str(boost::format(
"affinity mask for thread %1% has "
"already been set"
) % num_thread));
return;
}
num_pus[num_thread] = t.get_pu_number(num_core + used_cores, num_pu);
affinities[num_thread] = t.init_thread_affinity_mask(
num_core + used_cores, num_pu);
++num_thread;
}
}
}