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get upper thread limit from Qt so we can raise the number of threads

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This commit is contained in:
Axel Kohlmeyer
2023-10-03 15:40:06 -04:00
parent 18a69873f8
commit 75050b8920
1 changed files with 3 additions and 2 deletions
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5
tools/lammps-gui/preferences.cpp
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@ -41,6 +41,7 @@
#include <QSpinBox>
#include <QTabWidget>
#include <QVBoxLayout>
#include <QThread>
#if defined(_OPENMP)
#include <omp.h>
@ -400,11 +401,11 @@ AcceleratorTab::AcceleratorTab(QSettings *_settings, LammpsWrapper *_lammps, QWi
int maxthreads = 1;
#if defined(_OPENMP)
maxthreads = omp_get_max_threads();
maxthreads = QThread::idealThreadCount();
#endif
auto *choices = new QFrame;
auto *choiceLayout = new QVBoxLayout;
auto *ntlabel = new QLabel("Number of threads:");
auto *ntlabel = new QLabel(QString("Number of threads (max %1):").arg(maxthreads));
auto *ntchoice = new QLineEdit(settings->value("nthreads", maxthreads).toString());
auto *intval = new QIntValidator(1, maxthreads, this);
ntchoice->setValidator(intval);