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Add max_concurrency method for various execution policies

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This commit is contained in:
tamasmeszaros 2021-03-02 18:20:11 +01:00
parent e3c2e513fa
commit b8c1c13666
1 changed files with 9 additions and 1 deletions
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10
src/libslic3r/SLA/Concurrency.hpp
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@ -5,6 +5,7 @@
#include <tbb/mutex.h>
#include <tbb/parallel_for.h>
#include <tbb/parallel_reduce.h>
#include <tbb/task_arena.h>
#include <algorithm>
#include <numeric>
@ -76,13 +77,18 @@ template<> struct _ccr<true>
from, to, init, std::forward<MergeFn>(mergefn),
[](typename I::value_type &i) { return i; }, granularity);
}
static size_t max_concurreny()
{
return tbb::this_task_arena::max_concurrency();
}
};
template<> struct _ccr<false>
{
private:
struct _Mtx { inline void lock() {} inline void unlock() {} };
public:
using SpinningMutex = _Mtx;
using BlockingMutex = _Mtx;
@ -133,6 +139,8 @@ public:
return reduce(from, to, init, std::forward<MergeFn>(mergefn),
[](typename I::value_type &i) { return i; });
}
static size_t max_concurreny() { return 1; }
};
using ccr = _ccr<USE_FULL_CONCURRENCY>;