3 ms·
The function call overhead itself is irrelevant, because by definition these blocks are cold. The saving/restoring of callee-clobbered registers does affect th
by caf 6y ago
The function call overhead itself is irrelevant, because by definition these blocks are cold. The saving/restoring of callee-clobbered registers does affect the code size of the hot function though, so that's important.
- labawi 6y agoBlocks are cold by an imprecise measurement. Decreasing the downside means you can apply the hopefully-optimisation more aggressively for more gain so I would expect it to matter.
- deleted 6y ago[deleted]