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| author | Stefan Behnel <stefan_ml@behnel.de> | 2020-05-15 21:00:16 +0200 |
|---|---|---|
| committer | Stefan Behnel <stefan_ml@behnel.de> | 2020-05-16 10:26:41 +0200 |
| commit | cc400539bd85e57fb538e89d1fb223fa88157539 (patch) | |
| tree | 86985e0544d34119f74834344fbf5476bce00063 | |
| parent | e24d29043d440ec9c6a4d852b406a005dcd78591 (diff) | |
| download | cython-cc400539bd85e57fb538e89d1fb223fa88157539.tar.gz | |
Mark the first creation of a memory view slice as "unlikely()" to ask the C compiler to optimise for the repeated re-use case (usually in loops).
| -rw-r--r-- | Cython/Utility/MemoryView_C.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Cython/Utility/MemoryView_C.c b/Cython/Utility/MemoryView_C.c index 0a52c1eb5..c12918a00 100644 --- a/Cython/Utility/MemoryView_C.c +++ b/Cython/Utility/MemoryView_C.c @@ -494,7 +494,7 @@ __Pyx_INC_MEMVIEW({{memviewslice_name}} *memslice, int have_gil, int lineno) first_time = __pyx_add_acquisition_count(memview) == 0; - if (first_time) { + if (unlikely(first_time)) { if (have_gil) { Py_INCREF((PyObject *) memview); } else { |