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mold/threads.cc
2021-10-03 16:01:59 +09:00

21 lines
462 B
C++

#include "mold.h"
#include <tbb/global_control.h>
namespace mold {
static i64 get_default_thread_count() {
// mold doesn't scale above 32 threads.
int n = tbb::global_control::active_value(
tbb::global_control::max_allowed_parallelism);
return std::min(n, 32);
}
void set_thread_count(i64 n) {
if (n == 0)
n = get_default_thread_count();
tbb::global_control tbb_cont(tbb::global_control::max_allowed_parallelism, n);
}
} // namespace mold