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Optimize PySequence_Fast usage

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Access arrays directly, avoiding type-check every time.
This commit is contained in:
Campbell Barton
2015-07-29 09:58:10 +10:00
parent 96f08bf9a8
commit 339915a962
8 changed files with 38 additions and 22 deletions
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9
source/blender/python/generic/py_capi_utils.c
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@@ -53,6 +53,7 @@ int PyC_AsArray_FAST(
const PyTypeObject *type, const bool is_double, const char *error_prefix)
{
const Py_ssize_t value_len = PySequence_Fast_GET_SIZE(value_fast);
PyObject **value_fast_items = PySequence_Fast_ITEMS(value_fast);
Py_ssize_t i;
BLI_assert(PyList_Check(value_fast) || PyTuple_Check(value_fast));
@@ -69,13 +70,13 @@ int PyC_AsArray_FAST(
if (is_double) {
double *array_double = array;
for (i = 0; i < length; i++) {
array_double[i] = PyFloat_AsDouble(PySequence_Fast_GET_ITEM(value_fast, i));
array_double[i] = PyFloat_AsDouble(value_fast_items[i]);
}
}
else {
float *array_float = array;
for (i = 0; i < length; i++) {
array_float[i] = PyFloat_AsDouble(PySequence_Fast_GET_ITEM(value_fast, i));
array_float[i] = PyFloat_AsDouble(value_fast_items[i]);
}
}
}
@@ -83,13 +84,13 @@ int PyC_AsArray_FAST(
/* could use is_double for 'long int' but no use now */
int *array_int = array;
for (i = 0; i < length; i++) {
array_int[i] = PyLong_AsLong(PySequence_Fast_GET_ITEM(value_fast, i));
array_int[i] = PyLong_AsLong(value_fast_items[i]);
}
}
else if (type == &PyBool_Type) {
int *array_bool = array;
for (i = 0; i < length; i++) {
array_bool[i] = (PyLong_AsLong(PySequence_Fast_GET_ITEM(value_fast, i)) != 0);
array_bool[i] = (PyLong_AsLong(value_fast_items[i]) != 0);
}
}
else {