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Export TaskManager

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This commit is contained in:
Matthias Hochsteger 2019-09-09 15:12:41 +02:00
parent 2bb11f4cb1
commit 6c69df9fe6
1 changed files with 50 additions and 0 deletions
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50
libsrc/core/python_ngcore_export.cpp
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@ -1,9 +1,11 @@
#include "python_ngcore.hpp"
#include "bitarray.hpp"
#include "taskmanager.hpp"
using namespace ngcore;
using namespace std;
using namespace pybind11::literals;
PYBIND11_MODULE(pyngcore, m) // NOLINT
{
@ -167,4 +169,52 @@ PYBIND11_MODULE(pyngcore, m) // NOLINT
"Clear sinks of specific logger, or all if none given");
m.def("FlushOnLoggingLevel", &FlushOnLoggingLevel, py::arg("level"), py::arg("logger")="",
"Flush every message with level at least `level` for specific logger or all loggers if none given.");
m.def("RunWithTaskManager",
[](py::object lam)
{
GetLogger("TaskManager")->info("running Python function with task-manager");
RunWithTaskManager ([&] () { lam(); });
}, py::arg("lam"), R"raw_string(
Parameters:
lam : object
input function
)raw_string")
;
m.def("SetNumThreads", &TaskManager::SetNumThreads, py::arg("threads"), R"raw_string(
Set number of threads
Parameters:
threads : int
input number of threads
)raw_string");
// local TaskManager class to be used as context manager in Python
class ParallelContextManager {
int num_threads;
public:
ParallelContextManager() : num_threads(0) {};
ParallelContextManager(size_t pajesize) : num_threads(0) {
TaskManager::SetPajeTrace(pajesize > 0);
PajeTrace::SetMaxTracefileSize(pajesize);
}
void Enter() {num_threads = EnterTaskManager(); }
void Exit(py::object exc_type, py::object exc_value, py::object traceback) {
ExitTaskManager(num_threads);
}
};
py::class_<ParallelContextManager>(m, "TaskManager")
.def(py::init<>())
.def(py::init<size_t>(), "pajetrace"_a, "Run paje-tracer, specify buffersize in bytes")
.def("__enter__", &ParallelContextManager::Enter)
.def("__exit__", &ParallelContextManager::Exit)
.def("__timing__", &TaskManager::Timing)
;
}