4 ms·
The testbyte is only called in the end once a NULL is detected in the word, and will run in parallel.
by halayli 13y ago
The testbyte is only called in the end once a NULL is detected in the word, and will run in parallel.
- tqh 13y agoI was thinking more how branch prediction is handled in the pipeline. Agner Fog states that on Haswell having branches in the same 16 byte block affects performance. Probably not enough to matter though.