Sergei Lebedev f1435c7e6b Extract exception name via tp_name ... This is faster than dynamically looking up __name__ via GetAttrString. Note though that the runtime of the code throwing an error_already_set will be dominated by stack unwinding so the improvement will not be noticeable. Before: 396 ns ± 0.913 ns per loop (mean ± std. dev. of 7 runs, 1000000 loops each) After: 277 ns ± 0.549 ns per loop (mean ± std. dev. of 7 runs, 1000000 loops each) Benchmark: const std::string foo() { PyErr_SetString(PyExc_KeyError, ""); const std::string &s = py::detail::error_string(); PyErr_Clear(); return s; } PYBIND11_MODULE(foo, m) { m.def("foo", &::foo); }		2019-08-28 18:12:25 +01:00
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pybind11	Extract exception name via tp_name	2019-08-28 18:12:25 +01:00