gh-90370: Avoid temporary `varargs` tuple creation in argument passing by colorfulappl · Pull Request #30312 · python/cpython

+-----------------------------------------------------+---------+-----------------------+
| Benchmark                                           | base    | opt                   |
+=====================================================+=========+=======================+
| print(a)                                            | 133 ns  | 126 ns: 1.06x faster  |
+-----------------------------------------------------+---------+-----------------------+
| print(a, b, c)                                      | 337 ns  | 326 ns: 1.04x faster  |
+-----------------------------------------------------+---------+-----------------------+
| print(a, b, c, *v)                                  | 679 ns  | 661 ns: 1.03x faster  |
+-----------------------------------------------------+---------+-----------------------+
| print(a, sep='', file=stdout)                       | 134 ns  | 125 ns: 1.07x faster  |
+-----------------------------------------------------+---------+-----------------------+
| print(a, sep='', flush=True, file=stdout)           | 571 ns  | 563 ns: 1.01x faster  |
+-----------------------------------------------------+---------+-----------------------+
| print(*v, sep='', flush=True, file=stdout)          | 833 ns  | 819 ns: 1.02x faster  |
+-----------------------------------------------------+---------+-----------------------+
| print(a, b, c, *v, sep='', flush=True, file=stdout) | 1.18 us | 1.16 us: 1.02x faster |
+-----------------------------------------------------+---------+-----------------------+
| Geometric mean                                      | (ref)   | 1.03x faster          |
+-----------------------------------------------------+---------+-----------------------+